CCS PCM C Compiler, Version 4.106, 47914 17-V-13 12:14
Filename: Z:\home\kaklik\svnMLAB\Modules\Sensors\MAG01A\SW\PIC16F887\main.lst
ROM used: 799 words (10%)
Largest free fragment is 2048
RAM used: 28 (8%) at main() level
38 (10%) worst case
Stack: 2 locations
*
0000: MOVLW 02
0001: MOVWF 0A
0002: GOTO 266
0003: NOP
.................... #include "main.h"
.................... #include <16F887.h>
.................... //////// Standard Header file for the PIC16F887 device ////////////////
.................... #device PIC16F887
.................... #list
....................
.................... #device adc=8
....................
.................... #FUSES NOWDT //No Watch Dog Timer
.................... #FUSES INTRC //Internal RC Osc
.................... #FUSES NOPUT //No Power Up Timer
.................... #FUSES MCLR //Master Clear pin enabled
.................... #FUSES NOPROTECT //Code not protected from reading
.................... #FUSES NOCPD //No EE protection
.................... #FUSES NOBROWNOUT //No brownout reset
.................... #FUSES IESO //Internal External Switch Over mode enabled
.................... #FUSES FCMEN //Fail-safe clock monitor enabled
.................... #FUSES NOLVP //No low voltage prgming, B3(PIC16) or B5(PIC18) used for I/O
.................... #FUSES NODEBUG //No Debug mode for ICD
.................... #FUSES NOWRT //Program memory not write protected
.................... #FUSES BORV40 //Brownout reset at 4.0V
....................
.................... #use delay(clock=8000000)
*
0250: MOVLW 37
0251: MOVWF 04
0252: BCF 03.7
0253: MOVF 00,W
0254: BTFSC 03.2
0255: GOTO 263
0256: MOVLW 02
0257: MOVWF 78
0258: CLRF 77
0259: DECFSZ 77,F
025A: GOTO 259
025B: DECFSZ 78,F
025C: GOTO 258
025D: MOVLW 97
025E: MOVWF 77
025F: DECFSZ 77,F
0260: GOTO 25F
0261: DECFSZ 00,F
0262: GOTO 256
0263: BCF 0A.3
0264: BCF 0A.4
0265: GOTO 31D (RETURN)
.................... #use i2c(Master,Slow,sda=PIN_C4,scl=PIN_C3)
*
0089: MOVLW 08
008A: MOVWF 78
008B: NOP
008C: BCF 07.3
008D: BCF 20.3
008E: MOVF 20,W
008F: BSF 03.5
0090: MOVWF 07
0091: NOP
0092: BCF 03.5
0093: RLF 3D,F
0094: BCF 07.4
0095: BTFSS 03.0
0096: GOTO 09D
0097: BSF 20.4
0098: MOVF 20,W
0099: BSF 03.5
009A: MOVWF 07
009B: GOTO 0A1
009C: BCF 03.5
009D: BCF 20.4
009E: MOVF 20,W
009F: BSF 03.5
00A0: MOVWF 07
00A1: NOP
00A2: BCF 03.5
00A3: BSF 20.3
00A4: MOVF 20,W
00A5: BSF 03.5
00A6: MOVWF 07
00A7: BCF 03.5
00A8: BTFSS 07.3
00A9: GOTO 0A8
00AA: DECFSZ 78,F
00AB: GOTO 08B
00AC: NOP
00AD: BCF 07.3
00AE: BCF 20.3
00AF: MOVF 20,W
00B0: BSF 03.5
00B1: MOVWF 07
00B2: NOP
00B3: BCF 03.5
00B4: BSF 20.4
00B5: MOVF 20,W
00B6: BSF 03.5
00B7: MOVWF 07
00B8: NOP
00B9: NOP
00BA: BCF 03.5
00BB: BSF 20.3
00BC: MOVF 20,W
00BD: BSF 03.5
00BE: MOVWF 07
00BF: BCF 03.5
00C0: BTFSS 07.3
00C1: GOTO 0C0
00C2: CLRF 78
00C3: NOP
00C4: BTFSC 07.4
00C5: BSF 78.0
00C6: BCF 07.3
00C7: BCF 20.3
00C8: MOVF 20,W
00C9: BSF 03.5
00CA: MOVWF 07
00CB: BCF 03.5
00CC: BCF 07.4
00CD: BCF 20.4
00CE: MOVF 20,W
00CF: BSF 03.5
00D0: MOVWF 07
00D1: BCF 03.5
00D2: RETURN
*
010C: MOVLW 08
010D: MOVWF 3E
010E: MOVF 77,W
010F: MOVWF 3F
0110: BSF 20.4
0111: MOVF 20,W
0112: BSF 03.5
0113: MOVWF 07
0114: NOP
0115: BCF 03.5
0116: BSF 20.3
0117: MOVF 20,W
0118: BSF 03.5
0119: MOVWF 07
011A: BCF 03.5
011B: BTFSS 07.3
011C: GOTO 11B
011D: BTFSC 07.4
011E: BSF 03.0
011F: BTFSS 07.4
0120: BCF 03.0
0121: RLF 78,F
0122: NOP
0123: BCF 20.3
0124: MOVF 20,W
0125: BSF 03.5
0126: MOVWF 07
0127: BCF 03.5
0128: BCF 07.3
0129: DECFSZ 3E,F
012A: GOTO 110
012B: BSF 20.4
012C: MOVF 20,W
012D: BSF 03.5
012E: MOVWF 07
012F: NOP
0130: BCF 03.5
0131: BCF 07.4
0132: MOVF 3F,W
0133: BTFSC 03.2
0134: GOTO 13A
0135: BCF 20.4
0136: MOVF 20,W
0137: BSF 03.5
0138: MOVWF 07
0139: BCF 03.5
013A: NOP
013B: BSF 20.3
013C: MOVF 20,W
013D: BSF 03.5
013E: MOVWF 07
013F: BCF 03.5
0140: BTFSS 07.3
0141: GOTO 140
0142: NOP
0143: BCF 07.3
0144: BCF 20.3
0145: MOVF 20,W
0146: BSF 03.5
0147: MOVWF 07
0148: NOP
0149: BCF 03.5
014A: BCF 07.4
014B: BCF 20.4
014C: MOVF 20,W
014D: BSF 03.5
014E: MOVWF 07
014F: BCF 03.5
0150: RETURN
.................... #use rs232(baud=9600,parity=N,xmit=PIN_C7,rcv=PIN_C6,bits=8) //rcv TXD xmit RXD
*
001F: BCF 20.7
0020: MOVF 20,W
0021: BSF 03.5
0022: MOVWF 07
0023: BCF 03.5
0024: BCF 07.7
0025: MOVLW 08
0026: MOVWF 78
0027: GOTO 028
0028: NOP
0029: BSF 78.7
002A: GOTO 039
002B: BCF 78.7
002C: RRF 40,F
002D: BTFSC 03.0
002E: BSF 07.7
002F: BTFSS 03.0
0030: BCF 07.7
0031: BSF 78.6
0032: GOTO 039
0033: BCF 78.6
0034: DECFSZ 78,F
0035: GOTO 02C
0036: GOTO 037
0037: NOP
0038: BSF 07.7
0039: MOVLW 3F
003A: MOVWF 04
003B: DECFSZ 04,F
003C: GOTO 03B
003D: NOP
003E: BTFSC 78.7
003F: GOTO 02B
0040: BTFSC 78.6
0041: GOTO 033
0042: RETURN
....................
....................
.................... #include "HMC5883L.h"
.................... // i2c slave addresses
.................... #define HMC5883L_WRT_ADDR 0x3C
.................... #define HMC5883L_READ_ADDR 0x3D
....................
.................... // Register addresses
.................... #define HMC5883L_CFG_A_REG 0x00
.................... #define HMC5883L_CFG_B_REG 0x01
.................... #define HMC5883L_MODE_REG 0x02
.................... #define HMC5883L_X_MSB_REG 0x03
....................
.................... //Konstanty nastavujici rozsah
.................... //pro void set_mag_roz (unsigned int8 h)
.................... #define MAG_ROZ088 0x00
.................... #define MAG_ROZ130 0x20
.................... #define MAG_ROZ190 0x40
.................... #define MAG_ROZ250 0x60
.................... #define MAG_ROZ400 0x80
.................... #define MAG_ROZ470 0xA0
.................... #define MAG_ROZ560 0xC0
.................... #define MAG_ROZ810 0xE0
....................
....................
.................... #include "HMC5883L.c"
.................... //------------------------------
.................... // Low level routines
.................... //------------------------------
.................... void hmc5883l_write_reg(int8 reg, int8 data)
.................... {
.................... i2c_start();
*
00D3: BSF 20.4
00D4: MOVF 20,W
00D5: BSF 03.5
00D6: MOVWF 07
00D7: NOP
00D8: BCF 03.5
00D9: BSF 20.3
00DA: MOVF 20,W
00DB: BSF 03.5
00DC: MOVWF 07
00DD: NOP
00DE: BCF 03.5
00DF: BCF 07.4
00E0: BCF 20.4
00E1: MOVF 20,W
00E2: BSF 03.5
00E3: MOVWF 07
00E4: NOP
00E5: BCF 03.5
00E6: BCF 07.3
00E7: BCF 20.3
00E8: MOVF 20,W
00E9: BSF 03.5
00EA: MOVWF 07
.................... i2c_write(HMC5883L_WRT_ADDR);
00EB: MOVLW 3C
00EC: BCF 03.5
00ED: MOVWF 3D
00EE: CALL 089
.................... i2c_write(reg);
00EF: MOVF 37,W
00F0: MOVWF 3D
00F1: CALL 089
.................... i2c_write(data);
00F2: MOVF 38,W
00F3: MOVWF 3D
00F4: CALL 089
.................... i2c_stop();
00F5: BCF 20.4
00F6: MOVF 20,W
00F7: BSF 03.5
00F8: MOVWF 07
00F9: NOP
00FA: BCF 03.5
00FB: BSF 20.3
00FC: MOVF 20,W
00FD: BSF 03.5
00FE: MOVWF 07
00FF: BCF 03.5
0100: BTFSS 07.3
0101: GOTO 100
0102: NOP
0103: GOTO 104
0104: NOP
0105: BSF 20.4
0106: MOVF 20,W
0107: BSF 03.5
0108: MOVWF 07
0109: NOP
.................... }
010A: BCF 03.5
010B: RETURN
....................
.................... //------------------------------
.................... int8 hmc5883l_read_reg(int8 reg)
.................... {
.................... int8 retval;
....................
.................... i2c_start();
.................... i2c_write(HMC5883L_WRT_ADDR);
.................... i2c_write(reg);
.................... i2c_start();
.................... i2c_write(HMC5883L_READ_ADDR);
.................... retval = i2c_read(0);
.................... i2c_stop();
....................
.................... return(retval);
.................... }
....................
.................... //------------------------------
.................... typedef struct
.................... {
.................... signed int16 x;
.................... signed int16 y;
.................... signed int16 z;
.................... }hmc5883l_result;
....................
.................... // This global structure holds the values read
.................... // from the HMC5883L x,y,z registers.
.................... hmc5883l_result compass = {0,0,0};
*
0287: CLRF 21
0288: CLRF 22
0289: CLRF 23
028A: CLRF 24
028B: CLRF 25
028C: CLRF 26
....................
.................... //------------------------------
.................... void hmc5883l_read_data(void)
.................... {
.................... unsigned int8 x_lsb;
.................... unsigned int8 x_msb;
....................
.................... unsigned int8 y_lsb;
.................... unsigned int8 y_msb;
....................
.................... unsigned int8 z_lsb;
.................... unsigned int8 z_msb;
....................
.................... i2c_start();
*
0151: BSF 20.4
0152: MOVF 20,W
0153: BSF 03.5
0154: MOVWF 07
0155: NOP
0156: BCF 03.5
0157: BSF 20.3
0158: MOVF 20,W
0159: BSF 03.5
015A: MOVWF 07
015B: NOP
015C: BCF 03.5
015D: BCF 07.4
015E: BCF 20.4
015F: MOVF 20,W
0160: BSF 03.5
0161: MOVWF 07
0162: NOP
0163: BCF 03.5
0164: BCF 07.3
0165: BCF 20.3
0166: MOVF 20,W
0167: BSF 03.5
0168: MOVWF 07
.................... i2c_write(HMC5883L_WRT_ADDR);
0169: MOVLW 3C
016A: BCF 03.5
016B: MOVWF 3D
016C: CALL 089
.................... i2c_write(HMC5883L_X_MSB_REG); // Point to X-msb register
016D: MOVLW 03
016E: MOVWF 3D
016F: CALL 089
.................... i2c_start();
0170: BSF 20.4
0171: MOVF 20,W
0172: BSF 03.5
0173: MOVWF 07
0174: NOP
0175: BCF 03.5
0176: BSF 20.3
0177: MOVF 20,W
0178: BSF 03.5
0179: MOVWF 07
017A: NOP
017B: BCF 03.5
017C: BTFSS 07.3
017D: GOTO 17C
017E: BCF 07.4
017F: BCF 20.4
0180: MOVF 20,W
0181: BSF 03.5
0182: MOVWF 07
0183: NOP
0184: BCF 03.5
0185: BCF 07.3
0186: BCF 20.3
0187: MOVF 20,W
0188: BSF 03.5
0189: MOVWF 07
.................... i2c_write(HMC5883L_READ_ADDR);
018A: MOVLW 3D
018B: BCF 03.5
018C: MOVWF 3D
018D: CALL 089
....................
.................... x_msb = i2c_read();
018E: MOVLW 01
018F: MOVWF 77
0190: CALL 10C
0191: MOVF 78,W
0192: MOVWF 38
.................... x_lsb = i2c_read();
0193: MOVLW 01
0194: MOVWF 77
0195: CALL 10C
0196: MOVF 78,W
0197: MOVWF 37
....................
.................... z_msb = i2c_read();
0198: MOVLW 01
0199: MOVWF 77
019A: CALL 10C
019B: MOVF 78,W
019C: MOVWF 3C
.................... z_lsb = i2c_read();
019D: MOVLW 01
019E: MOVWF 77
019F: CALL 10C
01A0: MOVF 78,W
01A1: MOVWF 3B
....................
.................... y_msb = i2c_read();
01A2: MOVLW 01
01A3: MOVWF 77
01A4: CALL 10C
01A5: MOVF 78,W
01A6: MOVWF 3A
.................... y_lsb = i2c_read(0); // do a NACK on last read
01A7: CLRF 77
01A8: CALL 10C
01A9: MOVF 78,W
01AA: MOVWF 39
....................
.................... i2c_stop();
01AB: BCF 20.4
01AC: MOVF 20,W
01AD: BSF 03.5
01AE: MOVWF 07
01AF: NOP
01B0: BCF 03.5
01B1: BSF 20.3
01B2: MOVF 20,W
01B3: BSF 03.5
01B4: MOVWF 07
01B5: BCF 03.5
01B6: BTFSS 07.3
01B7: GOTO 1B6
01B8: NOP
01B9: GOTO 1BA
01BA: NOP
01BB: BSF 20.4
01BC: MOVF 20,W
01BD: BSF 03.5
01BE: MOVWF 07
01BF: NOP
....................
.................... // Combine high and low bytes into 16-bit values.
.................... compass.x = make16(x_msb, x_lsb);
01C0: BCF 03.5
01C1: MOVF 38,W
01C2: MOVWF 22
01C3: MOVF 37,W
01C4: MOVWF 21
.................... compass.y = make16(y_msb, y_lsb);
01C5: MOVF 3A,W
01C6: MOVWF 24
01C7: MOVF 39,W
01C8: MOVWF 23
.................... compass.z = make16(z_msb, z_lsb);
01C9: MOVF 3C,W
01CA: MOVWF 26
01CB: MOVF 3B,W
01CC: MOVWF 25
.................... }
01CD: BCF 0A.3
01CE: BCF 0A.4
01CF: GOTO 2F6 (RETURN)
....................
....................
....................
....................
.................... #include <math.h>
.................... ////////////////////////////////////////////////////////////////////////////
.................... //// (C) Copyright 1996,2008 Custom Computer Services ////
.................... //// This source code may only be used by licensed users of the CCS C ////
.................... //// compiler. This source code may only be distributed to other ////
.................... //// licensed users of the CCS C compiler. No other use, reproduction ////
.................... //// or distribution is permitted without written permission. ////
.................... //// Derivative programs created using this software in object code ////
.................... //// form are not restricted in any way. ////
.................... ////////////////////////////////////////////////////////////////////////////
.................... //// ////
.................... //// History: ////
.................... //// * 9/20/2001 : Improvments are made to sin/cos code. ////
.................... //// The code now is small, much faster, ////
.................... //// and more accurate. ////
.................... //// * 2/21/2007 : Compiler handles & operator differently and does
.................... //// not return generic (int8 *) so type cast is done ////
.................... //// ////
.................... ////////////////////////////////////////////////////////////////////////////
....................
.................... #ifndef MATH_H
.................... #define MATH_H
....................
.................... #ifdef PI
.................... #undef PI
.................... #endif
.................... #define PI 3.1415926535897932
....................
....................
.................... #define SQRT2 1.4142135623730950
....................
.................... //float const ps[4] = {5.9304945, 21.125224, 8.9403076, 0.29730279};
.................... //float const qs[4] = {1.0000000, 15.035723, 17.764134, 2.4934718};
....................
.................... ///////////////////////////// Round Functions //////////////////////////////
....................
.................... float32 CEIL_FLOOR(float32 x, unsigned int8 n)
.................... {
.................... float32 y, res;
.................... unsigned int16 l;
.................... int1 s;
....................
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y <= 32768.0)
.................... res = (float32)(unsigned int16)y;
....................
.................... else if (y < 10000000.0)
.................... {
.................... l = (unsigned int16)(y/32768.0);
.................... y = 32768.0*(y/32768.0 - (float32)l);
.................... res = 32768.0*(float32)l;
.................... res += (float32)(unsigned int16)y;
.................... }
....................
.................... else
.................... res = y;
....................
.................... y = y - (float32)(unsigned int16)y;
....................
.................... if (s)
.................... res = -res;
....................
.................... if (y != 0)
.................... {
.................... if (s == 1 && n == 0)
.................... res -= 1.0;
....................
.................... if (s == 0 && n == 1)
.................... res += 1.0;
.................... }
.................... if (x == 0)
.................... res = 0;
....................
.................... return (res);
.................... }
....................
.................... // Overloaded Functions to take care for new Data types in PCD
.................... // Overloaded function CEIL_FLOOR() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 CEIL_FLOOR(float48 x, unsigned int8 n)
.................... {
.................... float48 y, res;
.................... unsigned int16 l;
.................... int1 s;
....................
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y <= 32768.0)
.................... res = (float48)(unsigned int16)y;
....................
.................... else if (y < 10000000.0)
.................... {
.................... l = (unsigned int16)(y/32768.0);
.................... y = 32768.0*(y/32768.0 - (float48)l);
.................... res = 32768.0*(float32)l;
.................... res += (float48)(unsigned int16)y;
.................... }
....................
.................... else
.................... res = y;
....................
.................... y = y - (float48)(unsigned int16)y;
....................
.................... if (s)
.................... res = -res;
....................
.................... if (y != 0)
.................... {
.................... if (s == 1 && n == 0)
.................... res -= 1.0;
....................
.................... if (s == 0 && n == 1)
.................... res += 1.0;
.................... }
.................... if (x == 0)
.................... res = 0;
....................
.................... return (res);
.................... }
....................
....................
.................... // Overloaded function CEIL_FLOOR() for data type - Float64
.................... float64 CEIL_FLOOR(float64 x, unsigned int8 n)
.................... {
.................... float64 y, res;
.................... unsigned int16 l;
.................... int1 s;
....................
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y <= 32768.0)
.................... res = (float64)(unsigned int16)y;
....................
.................... else if (y < 10000000.0)
.................... {
.................... l = (unsigned int16)(y/32768.0);
.................... y = 32768.0*(y/32768.0 - (float64)l);
.................... res = 32768.0*(float64)l;
.................... res += (float64)(unsigned int16)y;
.................... }
....................
.................... else
.................... res = y;
....................
.................... y = y - (float64)(unsigned int16)y;
....................
.................... if (s)
.................... res = -res;
....................
.................... if (y != 0)
.................... {
.................... if (s == 1 && n == 0)
.................... res -= 1.0;
....................
.................... if (s == 0 && n == 1)
.................... res += 1.0;
.................... }
.................... if (x == 0)
.................... res = 0;
....................
.................... return (res);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float floor(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : rounds down the number x.
.................... // Date : N/A
.................... //
.................... float32 floor(float32 x)
.................... {
.................... return CEIL_FLOOR(x, 0);
.................... }
.................... // Following 2 functions are overloaded functions of floor() for PCD
.................... // Overloaded function floor() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 floor(float48 x)
.................... {
.................... return CEIL_FLOOR(x, 0);
.................... }
....................
.................... // Overloaded function floor() for data type - Float64
.................... float64 floor(float64 x)
.................... {
.................... return CEIL_FLOOR(x, 0);
.................... }
.................... #endif
....................
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float ceil(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : rounds up the number x.
.................... // Date : N/A
.................... //
.................... float32 ceil(float32 x)
.................... {
.................... return CEIL_FLOOR(x, 1);
.................... }
.................... // Following 2 functions are overloaded functions of ceil() for PCD
.................... // Overloaded function ceil() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 ceil(float48 x)
.................... {
.................... return CEIL_FLOOR(x, 1);
.................... }
....................
.................... // Overloaded function ceil() for data type - Float64
.................... float64 ceil(float64 x)
.................... {
.................... return CEIL_FLOOR(x, 1);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float fabs(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : Computes the absolute value of floating point number x
.................... // Returns : returns the absolute value of x
.................... // Date : N/A
.................... //
.................... #define fabs abs
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float fmod(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : Computes the floating point remainder of x/y
.................... // Returns : returns the value of x= i*y, for some integer i such that, if y
.................... // is non zero, the result has the same isgn of x na dmagnitude less than the
.................... // magnitude of y. If y is zero then a domain error occurs.
.................... // Date : N/A
.................... //
....................
.................... float fmod(float32 x,float32 y)
.................... {
.................... float32 i;
.................... if (y!=0.0)
.................... {
.................... i=(x/y < 0.0)? ceil(x/y): floor(x/y);
.................... return(x-(i*y));
.................... }
.................... else
.................... {
.................... #ifdef _ERRNO
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... }
.................... }
.................... //Overloaded function for fmod() for PCD
.................... // Overloaded function fmod() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 fmod(float48 x,float48 y)
.................... {
.................... float48 i;
.................... if (y!=0.0)
.................... {
.................... i=(x/y < 0.0)? ceil(x/y): floor(x/y);
.................... return(x-(i*y));
.................... }
.................... else
.................... {
.................... #ifdef _ERRNO
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... }
.................... }
.................... // Overloaded function fmod() for data type - Float64
.................... float64 fmod(float64 x,float64 y)
.................... {
.................... float64 i;
.................... if (y!=0.0)
.................... {
.................... i=(x/y < 0.0)? ceil(x/y): floor(x/y);
.................... return(x-(i*y));
.................... }
.................... else
.................... {
.................... #ifdef _ERRNO
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... }
.................... }
.................... #endif
.................... //////////////////// Exponential and logarithmic functions ////////////////////
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float exp(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the value (e^x)
.................... // Date : N/A
.................... //
.................... #define LN2 0.6931471805599453
....................
.................... float const pe[6] = {0.000207455774, 0.00127100575, 0.00965065093,
.................... 0.0554965651, 0.240227138, 0.693147172};
....................
....................
.................... float32 exp(float32 x)
.................... {
.................... float32 y, res, r;
.................... #if defined(__PCD__)
.................... int8 data1;
.................... #endif
.................... signed int8 n;
.................... int1 s;
.................... #ifdef _ERRNO
.................... if(x > 88.722838)
.................... {
.................... errno=ERANGE;
.................... return(0);
.................... }
.................... #endif
.................... n = (signed int16)(x/LN2);
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... n = -n;
.................... y = -y;
.................... }
....................
.................... res = 0.0;
.................... #if !defined(__PCD__)
.................... *((unsigned int8 *)(&res)) = n + 0x7F;
.................... #endif
....................
.................... #if defined(__PCD__) // Takes care of IEEE format for PCD
.................... data1 = n+0x7F;
.................... if(bit_test(data1,0))
.................... bit_set(*(((unsigned int8 *)(&res)+2)),7);
.................... rotate_right(&data1,1);
.................... bit_clear(data1,7);
.................... *(((unsigned int8 *)(&res)+3)) = data1;
.................... #endif
....................
.................... y = y/LN2 - (float32)n;
....................
.................... r = pe[0]*y + pe[1];
.................... r = r*y + pe[2];
.................... r = r*y + pe[3];
.................... r = r*y + pe[4];
.................... r = r*y + pe[5];
....................
.................... res = res*(1.0 + y*r);
....................
.................... if (s)
.................... res = 1.0/res;
.................... return(res);
.................... }
....................
....................
.................... //Overloaded function for exp() for PCD
.................... // Overloaded function exp() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 exp(float48 x)
.................... {
.................... float48 y, res, r;
.................... int8 data1;
.................... signed int8 n;
.................... int1 s;
.................... #ifdef _ERRNO
.................... if(x > 88.722838)
.................... {
.................... errno=ERANGE;
.................... return(0);
.................... }
.................... #endif
.................... n = (signed int16)(x/LN2);
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... n = -n;
.................... y = -y;
.................... }
....................
.................... res = 0.0;
....................
.................... data1 = n+0x7F;
.................... if(bit_test(data1,0))
.................... bit_set(*(((unsigned int8 *)(&res)+4)),7);
.................... rotate_right(&data1,1);
.................... bit_clear(data1,7);
.................... *(((unsigned int8 *)(&res)+5)) = data1;
....................
.................... y = y/LN2 - (float48)n;
....................
.................... r = pe[0]*y + pe[1];
.................... r = r*y + pe[2];
.................... r = r*y + pe[3];
.................... r = r*y + pe[4];
.................... r = r*y + pe[5];
....................
.................... res = res*(1.0 + y*r);
....................
.................... if (s)
.................... res = 1.0/res;
.................... return(res);
.................... }
....................
.................... // Overloaded function exp() for data type - Float64
.................... float64 exp(float64 x)
.................... {
.................... float64 y, res, r;
.................... unsigned int16 data1, data2;
.................... unsigned int16 *p;
.................... signed int16 n;
.................... int1 s;
.................... #ifdef _ERRNO
.................... if(x > 709.7827128)
.................... {
.................... errno=ERANGE;
.................... return(0);
.................... }
.................... #endif
.................... n = (signed int16)(x/LN2);
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... n = -n;
.................... y = -y;
.................... }
....................
.................... res = 0.0;
....................
.................... #if !defined(__PCD__)
.................... *((unsigned int16 *)(&res)) = n + 0x7F;
.................... #endif
.................... p= (((unsigned int16 *)(&res))+3);
.................... data1 = *p;
.................... data2 = *p;
.................... data1 = n + 0x3FF;
.................... data1 = data1 <<4;
.................... if(bit_test(data2,15))
.................... bit_set(data1,15);
.................... data2 = data2 & 0x000F;
.................... data1 ^= data2;
....................
.................... *(((unsigned int16 *)(&res)+3)) = data1;
....................
....................
.................... y = y/LN2 - (float64)n;
....................
.................... r = pe[0]*y + pe[1];
.................... r = r*y + pe[2];
.................... r = r*y + pe[3];
.................... r = r*y + pe[4];
.................... r = r*y + pe[5];
....................
.................... res = res*(1.0 + y*r);
....................
.................... if (s)
.................... res = 1.0/res;
.................... return(res);
.................... }
....................
.................... #ENDIF
....................
....................
.................... /************************************************************/
....................
.................... float32 const pl[4] = {0.45145214, -9.0558803, 26.940971, -19.860189};
.................... float32 const ql[4] = {1.0000000, -8.1354259, 16.780517, -9.9300943};
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float log(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the the natural log of x
.................... // Date : N/A
.................... //
.................... float32 log(float32 x)
.................... {
.................... float32 y, res, r, y2;
.................... #if defined(__PCD__)
.................... unsigned int8 data1,data2;
.................... #endif
.................... signed int8 n;
.................... #ifdef _ERRNO
.................... if(x <0)
.................... {
.................... errno=EDOM;
.................... }
.................... if(x ==0)
.................... {
.................... errno=ERANGE;
.................... return(0);
.................... }
.................... #endif
.................... y = x;
....................
.................... if (y != 1.0)
.................... {
.................... #if !defined(__PCD__)
.................... *((unsigned int8 *)(&y)) = 0x7E;
.................... #endif
....................
.................... #if defined(__PCD__) // Takes care of IEEE format
.................... data2 = *(((unsigned int8 *)(&y))+3);
.................... *(((unsigned int8 *)(&y))+3) = 0x3F;
.................... data1 = *(((unsigned int8 *)(&y))+2);
.................... bit_clear(data1,7);
.................... *(((unsigned int8 *)(&y))+2) = data1;
.................... if(bit_test(data2,7))
.................... bit_set(*(((unsigned int8 *)(&y))+3),7);
.................... #endif
....................
.................... y = (y - 1.0)/(y + 1.0);
....................
.................... y2=y*y;
....................
.................... res = pl[0]*y2 + pl[1];
.................... res = res*y2 + pl[2];
.................... res = res*y2 + pl[3];
....................
.................... r = ql[0]*y2 + ql[1];
.................... r = r*y2 + ql[2];
.................... r = r*y2 + ql[3];
....................
.................... res = y*res/r;
.................... #if !defined(__PCD__)
.................... n = *((unsigned int8 *)(&x)) - 0x7E;
.................... #endif
.................... #if defined(__PCD__)
.................... data1 = *(((unsigned int8 *)(&x)+3));
.................... rotate_left(&data1,1);
.................... data2 = *(((unsigned int8 *)(&x)+2));
.................... if(bit_test (data2,7))
.................... bit_set(data1,0);
.................... n = data1 - 0x7E;
.................... #endif
....................
.................... if (n<0)
.................... r = -(float32)-n;
.................... else
.................... r = (float32)n;
....................
.................... res += r*LN2;
.................... }
....................
.................... else
.................... res = 0.0;
....................
.................... return(res);
.................... }
....................
.................... //Overloaded function for log() for PCD
.................... // Overloaded function log() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 log(float48 x)
.................... {
.................... float48 y, res, r, y2;
.................... unsigned int8 data1,data2;
.................... signed int8 n;
.................... #ifdef _ERRNO
.................... if(x <0)
.................... {
.................... errno=EDOM;
.................... }
.................... if(x ==0)
.................... {
.................... errno=ERANGE;
.................... return(0);
.................... }
.................... #endif
.................... y = x;
....................
.................... if (y != 1.0)
.................... {
....................
.................... #if !defined(__PCD__)
.................... *((unsigned int8 *)(&y)) = 0x7E;
.................... #endif
.................... data2 = *(((unsigned int8 *)(&y))+5);
.................... *(((unsigned int8 *)(&y))+5) = 0x3F;
.................... data1 = *(((unsigned int8 *)(&y))+4);
.................... bit_clear(data1,7);
.................... *(((unsigned int8 *)(&y))+4) = data1;
....................
.................... if(bit_test(data2,7))
.................... bit_set(*(((unsigned int8 *)(&y))+4),7);
.................... y = (y - 1.0)/(y + 1.0);
....................
.................... y2=y*y;
....................
.................... res = pl[0]*y2 + pl[1];
.................... res = res*y2 + pl[2];
.................... res = res*y2 + pl[3];
....................
.................... r = ql[0]*y2 + ql[1];
.................... r = r*y2 + ql[2];
.................... r = r*y2 + ql[3];
....................
.................... res = y*res/r;
....................
.................... data1 = *(((unsigned int8 *)(&x)+5));
.................... rotate_left(&data1,1);
.................... data2 = *(((unsigned int8 *)(&x)+4));
.................... if(bit_test (data2,7))
.................... bit_set(data1,0);
....................
.................... n = data1 - 0x7E;
....................
.................... if (n<0)
.................... r = -(float48)-n;
.................... else
.................... r = (float48)n;
....................
.................... res += r*LN2;
.................... }
....................
.................... else
.................... res = 0.0;
....................
.................... return(res);
.................... }
....................
.................... // Overloaded function log() for data type - Float48
.................... #if defined(__PCD__)
.................... float32 const pl_64[4] = {0.45145214, -9.0558803, 26.940971, -19.860189};
.................... float32 const ql_64[4] = {1.0000000, -8.1354259, 16.780517, -9.9300943};
.................... #endif
.................... float64 log(float64 x)
.................... {
.................... float64 y, res, r, y2;
.................... unsigned int16 data1,data2;
.................... unsigned int16 *p;
.................... signed int16 n;
.................... #ifdef _ERRNO
.................... if(x <0)
.................... {
.................... errno=EDOM;
.................... }
.................... if(x ==0)
.................... {
.................... errno=ERANGE;
.................... return(0);
.................... }
.................... #endif
.................... y = x;
....................
.................... if (y != 1.0)
.................... {
.................... #if !defined(__PCD__)
.................... *((unsigned int8 *)(&y)) = 0x7E;
.................... #endif
.................... p= (((unsigned int16 *)(&y))+3);
.................... data1 = *p;
.................... data2 = *p;
.................... data1 = 0x3FE;
.................... data1 = data1 <<4;
.................... if(bit_test (data2,15))
.................... bit_set(data1,15);
.................... data2 = data2 & 0x000F;
.................... data1 ^=data2;
....................
.................... *p = data1;
....................
.................... y = (y - 1.0)/(y + 1.0);
....................
.................... y2=y*y;
....................
.................... res = pl_64[0]*y2 + pl_64[1];
.................... res = res*y2 + pl_64[2];
.................... res = res*y2 + pl_64[3];
....................
.................... r = ql_64[0]*y2 + ql_64[1];
.................... r = r*y2 + ql_64[2];
.................... r = r*y2 + ql_64[3];
....................
.................... res = y*res/r;
....................
.................... p= (((unsigned int16 *)(&x))+3);
.................... data1 = *p;
.................... bit_clear(data1,15);
.................... data1 = data1 >>4;
.................... n = data1 - 0x3FE;
....................
....................
.................... if (n<0)
.................... r = -(float64)-n;
.................... else
.................... r = (float64)n;
....................
.................... res += r*LN2;
.................... }
....................
.................... else
.................... res = 0.0;
....................
.................... return(res);
.................... }
.................... #endif
....................
....................
.................... #define LN10 2.3025850929940456
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float log10(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the the log base 10 of x
.................... // Date : N/A
.................... //
.................... float32 log10(float32 x)
.................... {
.................... float32 r;
....................
.................... r = log(x);
.................... r = r/LN10;
.................... return(r);
.................... }
....................
.................... //Overloaded functions for log10() for PCD
.................... // Overloaded function log10() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 log10(float48 x)
.................... {
.................... float48 r;
....................
.................... r = log(x);
.................... r = r/LN10;
.................... return(r);
.................... }
....................
.................... // Overloaded function log10() for data type - Float64
.................... float64 log10(float64 x)
.................... {
.................... float64 r;
....................
.................... r = log(x);
.................... r = r/LN10;
.................... return(r);
.................... }
.................... #endif
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float modf(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description :breaks the argument value int integral and fractional parts,
.................... // ach of which have the same sign as the argument. It stores the integral part
.................... // as a float in the object pointed to by the iptr
.................... // Returns : returns the signed fractional part of value.
.................... // Date : N/A
.................... //
....................
.................... float32 modf(float32 value,float32 *iptr)
.................... {
.................... *iptr=(value < 0.0)? ceil(value): floor(value);
.................... return(value - *iptr);
.................... }
.................... //Overloaded functions for modf() for PCD
.................... // Overloaded function modf() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 modf(float48 value,float48 *iptr)
.................... {
.................... *iptr=(value < 0.0)? ceil(value): floor(value);
.................... return(value - *iptr);
.................... }
.................... // Overloaded function modf() for data type - Float64
.................... float64 modf(float64 value,float64 *iptr)
.................... {
.................... *iptr=(value < 0.0)? ceil(value): floor(value);
.................... return(value - *iptr);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float pwr(float x,float y)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the value (x^y)
.................... // Date : N/A
.................... // Note : 0 is returned when the function will generate an imaginary number
.................... //
.................... float32 pwr(float32 x,float32 y)
.................... {
.................... if(0 > x && fmod(y, 1) == 0) {
.................... if(fmod(y, 2) == 0) {
.................... return (exp(log(-x) * y));
.................... } else {
.................... return (-exp(log(-x) * y));
.................... }
.................... } else if(0 > x && fmod(y, 1) != 0) {
.................... return 0;
.................... } else {
.................... if(x != 0 || 0 >= y) {
.................... return (exp(log(x) * y));
.................... }
.................... }
.................... }
.................... //Overloaded functions for pwr() for PCD
.................... // Overloaded function pwr() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 pwr(float48 x,float48 y)
.................... {
.................... if(0 > x && fmod(y, 1) == 0) {
.................... if(fmod(y, 2) == 0) {
.................... return (exp(log(-x) * y));
.................... } else {
.................... return (-exp(log(-x) * y));
.................... }
.................... } else if(0 > x && fmod(y, 1) != 0) {
.................... return 0;
.................... } else {
.................... if(x != 0 || 0 >= y) {
.................... return (exp(log(x) * y));
.................... }
.................... }
.................... }
.................... // Overloaded function pwr() for data type - Float64
.................... float64 pwr(float64 x,float64 y)
.................... {
.................... if(0 > x && fmod(y, 1) == 0) {
.................... if(fmod(y, 2) == 0) {
.................... return (exp(log(-x) * y));
.................... } else {
.................... return (-exp(log(-x) * y));
.................... }
.................... } else if(0 > x && fmod(y, 1) != 0) {
.................... return 0;
.................... } else {
.................... if(x != 0 || 0 >= y) {
.................... return (exp(log(x) * y));
.................... }
.................... }
.................... }
.................... #endif
....................
.................... //////////////////// Power functions ////////////////////
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float pow(float x,float y)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the value (x^y)
.................... // Date : N/A
.................... // Note : 0 is returned when the function will generate an imaginary number
.................... //
.................... float32 pow(float32 x,float32 y)
.................... {
.................... if(0 > x && fmod(y, 1) == 0) {
.................... if(fmod(y, 2) == 0) {
.................... return (exp(log(-x) * y));
.................... } else {
.................... return (-exp(log(-x) * y));
.................... }
.................... } else if(0 > x && fmod(y, 1) != 0) {
.................... return 0;
.................... } else {
.................... if(x != 0 || 0 >= y) {
.................... return (exp(log(x) * y));
.................... }
.................... }
.................... }
.................... //Overloaded functions for pow() for PCD
.................... // Overloaded function for pow() data type - Float48
.................... #if defined(__PCD__)
.................... float48 pow(float48 x,float48 y)
.................... {
.................... if(0 > x && fmod(y, 1) == 0) {
.................... if(fmod(y, 2) == 0) {
.................... return (exp(log(-x) * y));
.................... } else {
.................... return (-exp(log(-x) * y));
.................... }
.................... } else if(0 > x && fmod(y, 1) != 0) {
.................... return 0;
.................... } else {
.................... if(x != 0 || 0 >= y) {
.................... return (exp(log(x) * y));
.................... }
.................... }
.................... }
....................
.................... // Overloaded function pow() for data type - Float64
.................... float64 pow(float64 x,float64 y)
.................... {
.................... if(0 > x && fmod(y, 1) == 0) {
.................... if(fmod(y, 2) == 0) {
.................... return (exp(log(-x) * y));
.................... } else {
.................... return (-exp(log(-x) * y));
.................... }
.................... } else if(0 > x && fmod(y, 1) != 0) {
.................... return 0;
.................... } else {
.................... if(x != 0 || 0 >= y) {
.................... return (exp(log(x) * y));
.................... }
.................... }
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float sqrt(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the square root of x
.................... // Date : N/A
.................... //
.................... float32 sqrt(float32 x)
.................... {
.................... float32 y, res;
.................... #if defined(__PCD__)
.................... unsigned int16 data1,data2;
.................... #endif
.................... BYTE *p;
....................
.................... #ifdef _ERRNO
.................... if(x < 0)
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
....................
.................... if( x<=0.0)
.................... return(0.0);
....................
.................... y=x;
....................
.................... #if !defined(__PCD__)
.................... p=&y;
.................... (*p)=(BYTE)((((unsigned int16)(*p)) + 127) >> 1);
.................... #endif
....................
.................... #if defined(__PCD__)
.................... p = (((unsigned int8 *)(&y))+3);
.................... data1 = *(((unsigned int8 *)(&y))+3);
.................... data2 = *(((unsigned int8 *)(&y))+2);
.................... rotate_left(&data1,1);
.................... if(bit_test(data2,7))
.................... bit_set(data1,0);
.................... data1 = ((data1+127) >>1);
.................... bit_clear(data2,7);
.................... if(bit_test(data1,0))
.................... bit_set(data2,7);
.................... data1 = data1 >>1;
.................... *(((unsigned int8 *)(&y))+3) = data1;
.................... *(((unsigned int8 *)(&y))+2) = data2;
....................
.................... #endif
....................
.................... do {
.................... res=y;
.................... y+=(x/y);
....................
.................... #if !defined(__PCD__)
.................... (*p)--;
.................... #endif
....................
.................... #if defined(__PCD__)
.................... data1 = *(((unsigned int8 *)(&y))+3);
.................... data2 = *(((unsigned int8 *)(&y))+2);
.................... rotate_left(&data1,1);
.................... if(bit_test(data2,7))
.................... bit_set(data1,0);
.................... data1--;
.................... bit_clear(data2,7);
.................... if(bit_test(data1,0))
.................... bit_set(data2,7);
.................... data1 = data1 >>1;
.................... *(((unsigned int8 *)(&y))+3) = data1;
.................... *(((unsigned int8 *)(&y))+2) = data2;
....................
.................... #endif
.................... } while(res != y);
....................
.................... return(res);
.................... }
.................... //Overloaded functions for sqrt() for PCD
.................... // Overloaded function sqrt() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 sqrt(float48 x)
.................... {
.................... float48 y, res;
.................... unsigned int16 data1,data2;
.................... BYTE *p;
....................
.................... #ifdef _ERRNO
.................... if(x < 0)
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
....................
.................... if( x<=0.0)
.................... return(0.0);
....................
.................... y=x;
....................
.................... #if !defined(__PCD__)
.................... p=&y;
.................... (*p)=(BYTE)((((unsigned int16)(*p)) + 127) >> 1);
.................... #endif
....................
.................... #if defined(__PCD__)
.................... p = (((unsigned int8 *)(&y))+5);
.................... data1 = *(((unsigned int8 *)(&y))+5);
.................... data2 = *(((unsigned int8 *)(&y))+4);
.................... rotate_left(&data1,1);
.................... if(bit_test(data2,7))
.................... bit_set(data1,0);
.................... data1 = ((data1+127) >>1);
.................... bit_clear(data2,7);
.................... if(bit_test(data1,0))
.................... bit_set(data2,7);
.................... data1 = data1 >>1;
.................... *(((unsigned int8 *)(&y))+5) = data1;
.................... *(((unsigned int8 *)(&y))+4) = data2;
....................
.................... #endif
....................
.................... do {
.................... res=y;
.................... y+=(x/y);
....................
.................... #if !defined(__PCD__)
.................... (*p)--;
.................... #endif
....................
.................... data1 = *(((unsigned int8 *)(&y))+5);
.................... data2 = *(((unsigned int8 *)(&y))+4);
.................... rotate_left(&data1,1);
.................... if(bit_test(data2,7))
.................... bit_set(data1,0);
.................... data1--;
.................... bit_clear(data2,7);
.................... if(bit_test(data1,0))
.................... bit_set(data2,7);
.................... data1 = data1 >>1;
.................... *(((unsigned int8 *)(&y))+5) = data1;
.................... *(((unsigned int8 *)(&y))+4) = data2;
....................
.................... } while(res != y);
....................
.................... return(res);
.................... }
....................
.................... // Overloaded function sqrt() for data type - Float64
.................... float64 sqrt(float64 x)
.................... {
.................... float64 y, res;
.................... unsigned int16 *p;
.................... unsigned int16 temp1,temp2;
....................
.................... #ifdef _ERRNO
.................... if(x < 0)
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
....................
.................... if( x<=0.0)
.................... return(0.0);
....................
.................... y=x;
.................... p= (((unsigned int16 *)(&y))+3);
.................... temp1 = *p;
.................... temp2 = *p;
.................... bit_clear(temp1,15);
.................... temp1 = (temp1>>4)+1023;
.................... temp1 = temp1 >> 1;
.................... temp1 = (temp1<<4) & 0xFFF0;
.................... if(bit_test(temp2,15))
.................... bit_set(temp1,15);
.................... temp2 = temp2 & 0x000F;
.................... temp1 ^= temp2;
....................
.................... (*p) = temp1;
....................
.................... do {
.................... res=y;
.................... y+=(x/y);
.................... temp1 = *p;
.................... temp2 = *p;
.................... bit_clear(temp1,15);
.................... temp1 = (temp1>>4);
.................... temp1--;
.................... temp1 = (temp1<<4) & 0xFFF0;
.................... if(bit_test(temp2,15))
.................... bit_set(temp1,15);
.................... temp2 = temp2 & 0x000F;
.................... temp1 ^= temp2;
.................... (*p) = temp1;
....................
.................... } while(res != y);
....................
.................... return(res);
.................... }
.................... #endif
....................
.................... ////////////////////////////// Trig Functions //////////////////////////////
.................... #ifdef PI_DIV_BY_TWO
.................... #undef PI_DIV_BY_TWO
.................... #endif
.................... #define PI_DIV_BY_TWO 1.5707963267948966
.................... #ifdef TWOBYPI
.................... #undef TWOBYPI
.................... #define TWOBYPI 0.6366197723675813
.................... #endif
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float cos(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the cosine value of the angle x, which is in radian
.................... // Date : 9/20/2001
.................... //
.................... float32 cos(float32 x)
.................... {
.................... float32 y, t, t2 = 1.0;
.................... unsigned int8 quad, i;
.................... float32 frac;
.................... float32 p[6] = { //by the series definition for cosine
.................... -0.5, // sum ( ( (-1)^n * x^2n )/(2n)! )
.................... 0.04166666666667,
.................... -0.00138888888889,
.................... 0.00002480158730,
.................... -0.00000027557319,
.................... 0.00000000208767,
.................... //-0.00000000001147,
.................... // 0.00000000000005
.................... };
....................
.................... if (x < 0) x = -x; // absolute value of input
....................
.................... quad = (unsigned int8)(x / PI_DIV_BY_TWO); // quadrant
.................... frac = (x / PI_DIV_BY_TWO) - quad; // fractional part of input
.................... quad = quad % 4; // quadrant (0 to 3)
....................
.................... if (quad == 0 || quad == 2)
.................... t = frac * PI_DIV_BY_TWO;
.................... else if (quad == 1)
.................... t = (1-frac) * PI_DIV_BY_TWO;
.................... else // should be 3
.................... t = (frac-1) * PI_DIV_BY_TWO;
....................
.................... y = 1.0;
.................... t = t * t;
.................... for (i = 0; i <= 5; i++)
.................... {
.................... t2 = t2 * t;
.................... y = y + p[i] * t2;
.................... }
....................
.................... if (quad == 2 || quad == 1)
.................... y = -y; // correct sign
....................
.................... return (y);
.................... }
....................
....................
.................... //Overloaded functions for cos() for PCD
.................... // Overloaded function cos() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 cos(float48 x)
.................... {
.................... float48 y, t, t2 = 1.0;
.................... unsigned int8 quad, i;
.................... float48 frac;
.................... float48 p[6] = { //by the series definition for cosine
.................... -0.5, // sum ( ( (-1)^n * x^2n )/(2n)! )
.................... 0.04166666666667,
.................... -0.00138888888889,
.................... 0.00002480158730,
.................... -0.00000027557319,
.................... 0.00000000208767,
.................... //-0.00000000001147,
.................... // 0.00000000000005
.................... };
....................
.................... if (x < 0) x = -x; // absolute value of input
....................
.................... quad = (unsigned int8)(x / PI_DIV_BY_TWO); // quadrant
.................... frac = (x / PI_DIV_BY_TWO) - quad; // fractional part of input
.................... quad = quad % 4; // quadrant (0 to 3)
....................
.................... if (quad == 0 || quad == 2)
.................... t = frac * PI_DIV_BY_TWO;
.................... else if (quad == 1)
.................... t = (1-frac) * PI_DIV_BY_TWO;
.................... else // should be 3
.................... t = (frac-1) * PI_DIV_BY_TWO;
....................
.................... y = 0.999999999781;
.................... t = t * t;
.................... for (i = 0; i <= 5; i++)
.................... {
.................... t2 = t2 * t;
.................... y = y + p[i] * t2;
.................... }
....................
.................... if (quad == 2 || quad == 1)
.................... y = -y; // correct sign
....................
.................... return (y);
.................... }
....................
.................... // Overloaded function cos() for data type - Float48
.................... float64 cos(float64 x)
.................... {
.................... float64 y, t, t2 = 1.0;
.................... unsigned int8 quad, i;
.................... float64 frac;
.................... float64 p[6] = { //by the series definition for cosine
.................... -0.5, // sum ( ( (-1)^n * x^2n )/(2n)! )
.................... 0.04166666666667,
.................... -0.00138888888889,
.................... 0.00002480158730,
.................... -0.00000027557319,
.................... 0.00000000208767,
.................... //-0.00000000001147,
.................... // 0.00000000000005
.................... };
....................
.................... if (x < 0) x = -x; // absolute value of input
....................
.................... quad = (unsigned int8)(x / PI_DIV_BY_TWO); // quadrant
.................... frac = (x / PI_DIV_BY_TWO) - quad; // fractional part of input
.................... quad = quad % 4; // quadrant (0 to 3)
....................
.................... if (quad == 0 || quad == 2)
.................... t = frac * PI_DIV_BY_TWO;
.................... else if (quad == 1)
.................... t = (1-frac) * PI_DIV_BY_TWO;
.................... else // should be 3
.................... t = (frac-1) * PI_DIV_BY_TWO;
....................
.................... y = 0.999999999781;
.................... t = t * t;
.................... for (i = 0; i <= 5; i++)
.................... {
.................... t2 = t2 * t;
.................... y = y + p[i] * t2;
.................... }
....................
.................... if (quad == 2 || quad == 1)
.................... y = -y; // correct sign
....................
.................... return (y);
.................... }
....................
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float sin(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the sine value of the angle x, which is in radian
.................... // Date : 9/20/2001
.................... //
.................... float32 sin(float32 x)
.................... {
.................... return cos(x - PI_DIV_BY_TWO);
.................... }
....................
.................... //Overloaded functions for sin() for PCD
.................... // Overloaded function sin() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 sin(float48 x)
.................... {
.................... return cos(x - PI_DIV_BY_TWO);
.................... }
....................
.................... // Overloaded function sin() for data type - Float48
.................... float64 sin(float64 x)
.................... {
.................... return cos(x - PI_DIV_BY_TWO);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float tan(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the tangent value of the angle x, which is in radian
.................... // Date : 9/20/2001
.................... //
.................... float32 tan(float32 x)
.................... {
.................... float32 c, s;
....................
.................... c = cos(x);
.................... if (c == 0.0)
.................... return (1.0e+36);
....................
.................... s = sin(x);
.................... return(s/c);
.................... }
.................... //Overloaded functions for tan() for PCD
.................... // Overloaded function tan() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 tan(float48 x)
.................... {
.................... float48 c, s;
....................
.................... c = cos(x);
.................... if (c == 0.0)
.................... return (1.0e+36);
....................
.................... s = sin(x);
.................... return(s/c);
.................... }
....................
.................... // Overloaded function tan() for data type - Float48
.................... float64 tan(float64 x)
.................... {
.................... float64 c, s;
....................
.................... c = cos(x);
.................... if (c == 0.0)
.................... return (1.0e+36);
....................
.................... s = sin(x);
.................... return(s/c);
.................... }
.................... #endif
....................
.................... float32 const pas[3] = {0.49559947, -4.6145309, 5.6036290};
.................... float32 const qas[3] = {1.0000000, -5.5484666, 5.6036290};
....................
.................... float32 ASIN_COS(float32 x, unsigned int8 n)
.................... {
.................... float32 y, res, r, y2;
.................... int1 s;
.................... #ifdef _ERRNO
.................... if(x <-1 || x > 1)
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y > 0.5)
.................... {
.................... y = sqrt((1.0 - y)/2.0);
.................... n += 2;
.................... }
....................
.................... y2=y*y;
....................
.................... res = pas[0]*y2 + pas[1];
.................... res = res*y2 + pas[2];
....................
.................... r = qas[0]*y2 + qas[1];
.................... r = r*y2 + qas[2];
....................
.................... res = y*res/r;
....................
.................... if (n & 2) // |x| > 0.5
.................... res = PI_DIV_BY_TWO - 2.0*res;
.................... if (s)
.................... res = -res;
.................... if (n & 1) // take arccos
.................... res = PI_DIV_BY_TWO - res;
....................
.................... return(res);
.................... }
....................
.................... //Overloaded functions for ASIN_COS() for PCD
.................... // Overloaded function ASIN_COS() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 ASIN_COS(float48 x, unsigned int8 n)
.................... {
.................... float48 y, res, r, y2;
.................... int1 s;
.................... #ifdef _ERRNO
.................... if(x <-1 || x > 1)
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y > 0.5)
.................... {
.................... y = sqrt((1.0 - y)/2.0);
.................... n += 2;
.................... }
....................
.................... y2=y*y;
....................
.................... res = pas[0]*y2 + pas[1];
.................... res = res*y2 + pas[2];
....................
.................... r = qas[0]*y2 + qas[1];
.................... r = r*y2 + qas[2];
....................
.................... res = y*res/r;
....................
.................... if (n & 2) // |x| > 0.5
.................... res = PI_DIV_BY_TWO - 2.0*res;
.................... if (s)
.................... res = -res;
.................... if (n & 1) // take arccos
.................... res = PI_DIV_BY_TWO - res;
....................
.................... return(res);
.................... }
....................
.................... // Overloaded function ASIN_COS() for data type - Float64
.................... float64 ASIN_COS(float64 x, unsigned int8 n)
.................... {
.................... float64 y, res, r, y2;
.................... int1 s;
.................... #ifdef _ERRNO
.................... if(x <-1 || x > 1)
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... s = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y > 0.5)
.................... {
.................... y = sqrt((1.0 - y)/2.0);
.................... n += 2;
.................... }
....................
.................... y2=y*y;
....................
.................... res = pas[0]*y2 + pas[1];
.................... res = res*y2 + pas[2];
....................
.................... r = qas[0]*y2 + qas[1];
.................... r = r*y2 + qas[2];
....................
.................... res = y*res/r;
....................
.................... if (n & 2) // |x| > 0.5
.................... res = PI_DIV_BY_TWO - 2.0*res;
.................... if (s)
.................... res = -res;
.................... if (n & 1) // take arccos
.................... res = PI_DIV_BY_TWO - res;
....................
.................... return(res);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float asin(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the arcsine value of the value x.
.................... // Date : N/A
.................... //
.................... float32 asin(float32 x)
.................... {
.................... float32 r;
....................
.................... r = ASIN_COS(x, 0);
.................... return(r);
.................... }
.................... //Overloaded functions for asin() for PCD
.................... // Overloaded function asin() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 asin(float48 x)
.................... {
.................... float48 r;
....................
.................... r = ASIN_COS(x, 0);
.................... return(r);
.................... }
....................
.................... // Overloaded function asin() for data type - Float64
.................... float64 asin(float64 x)
.................... {
.................... float64 r;
....................
.................... r = ASIN_COS(x, 0);
.................... return(r);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float acos(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the arccosine value of the value x.
.................... // Date : N/A
.................... //
.................... float32 acos(float32 x)
.................... {
.................... float32 r;
....................
.................... r = ASIN_COS(x, 1);
.................... return(r);
.................... }
.................... //Overloaded functions for acos() for PCD
.................... // Overloaded function acos() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 acos(float48 x)
.................... {
.................... float48 r;
....................
.................... r = ASIN_COS(x, 1);
.................... return(r);
.................... }
....................
.................... // Overloaded function acos() for data type - Float64
.................... float64 acos(float64 x)
.................... {
.................... float64 r;
....................
.................... r = ASIN_COS(x, 1);
.................... return(r);
.................... }
.................... #endif
....................
.................... float32 const pat[4] = {0.17630401, 5.6710795, 22.376096, 19.818457};
.................... float32 const qat[4] = {1.0000000, 11.368190, 28.982246, 19.818457};
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float atan(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : returns the arctangent value of the value x.
.................... // Date : N/A
.................... //
.................... float32 atan(float32 x)
.................... {
.................... float32 y, res, r;
.................... int1 s, flag;
....................
.................... s = 0;
.................... flag = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y > 1.0)
.................... {
.................... y = 1.0/y;
.................... flag = 1;
.................... }
....................
.................... res = pat[0]*y*y + pat[1];
.................... res = res*y*y + pat[2];
.................... res = res*y*y + pat[3];
....................
.................... r = qat[0]*y*y + qat[1];
.................... r = r*y*y + qat[2];
.................... r = r*y*y + qat[3];
....................
.................... res = y*res/r;
....................
....................
.................... if (flag) // for |x| > 1
.................... res = PI_DIV_BY_TWO - res;
.................... if (s)
.................... res = -res;
....................
.................... return(res);
.................... }
.................... //Overloaded functions for atan() for PCD
.................... // Overloaded function atan() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 atan(float48 x)
.................... {
.................... float48 y, res, r;
.................... int1 s, flag;
....................
.................... s = 0;
.................... flag = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y > 1.0)
.................... {
.................... y = 1.0/y;
.................... flag = 1;
.................... }
....................
.................... res = pat[0]*y*y + pat[1];
.................... res = res*y*y + pat[2];
.................... res = res*y*y + pat[3];
....................
.................... r = qat[0]*y*y + qat[1];
.................... r = r*y*y + qat[2];
.................... r = r*y*y + qat[3];
....................
.................... res = y*res/r;
....................
....................
.................... if (flag) // for |x| > 1
.................... res = PI_DIV_BY_TWO - res;
.................... if (s)
.................... res = -res;
....................
.................... return(res);
.................... }
....................
.................... // Overloaded function atan() for data type - Float64
.................... float64 atan(float64 x)
.................... {
.................... float64 y, res, r;
.................... int1 s, flag;
....................
.................... s = 0;
.................... flag = 0;
.................... y = x;
....................
.................... if (x < 0)
.................... {
.................... s = 1;
.................... y = -y;
.................... }
....................
.................... if (y > 1.0)
.................... {
.................... y = 1.0/y;
.................... flag = 1;
.................... }
....................
.................... res = pat[0]*y*y + pat[1];
.................... res = res*y*y + pat[2];
.................... res = res*y*y + pat[3];
....................
.................... r = qat[0]*y*y + qat[1];
.................... r = r*y*y + qat[2];
.................... r = r*y*y + qat[3];
....................
.................... res = y*res/r;
....................
....................
.................... if (flag) // for |x| > 1
.................... res = PI_DIV_BY_TWO - res;
.................... if (s)
.................... res = -res;
....................
.................... return(res);
.................... }
.................... #endif
....................
.................... /////////////////////////////////////////////////////////////////////////////
.................... // float atan2(float y, float x)
.................... /////////////////////////////////////////////////////////////////////////////
.................... // Description :computes the principal value of arc tangent of y/x, using the
.................... // signs of both the arguments to determine the quadrant of the return value
.................... // Returns : returns the arc tangent of y/x.
.................... // Date : N/A
.................... //
....................
.................... float32 atan2(float32 y,float32 x)
.................... {
.................... float32 z;
.................... int1 sign;
.................... unsigned int8 quad;
.................... sign=0;
.................... quad=0; //quadrant
.................... quad=((y<=0.0)?((x<=0.0)?3:4):((x<0.0)?2:1));
.................... if(y<0.0)
.................... {
.................... sign=1;
.................... y=-y;
.................... }
.................... if(x<0.0)
.................... {
.................... x=-x;
.................... }
.................... if (x==0.0)
.................... {
.................... if(y==0.0)
.................... {
.................... #ifdef _ERRNO
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... }
.................... else
.................... {
.................... if(sign)
.................... {
.................... return (-(PI_DIV_BY_TWO));
.................... }
.................... else
.................... {
.................... return (PI_DIV_BY_TWO);
.................... }
.................... }
.................... }
.................... else
.................... {
.................... z=y/x;
.................... switch(quad)
.................... {
.................... case 1:
.................... {
.................... return atan(z);
.................... break;
.................... }
.................... case 2:
.................... {
.................... // return (atan(z)+PI_DIV_BY_TWO); //2L3122
.................... return (PI-atan(z));
.................... break;
.................... }
.................... case 3:
.................... {
.................... return (atan(z)-PI);
.................... break;
.................... }
.................... case 4:
.................... {
.................... return (-atan(z));
.................... break;
.................... }
.................... }
.................... }
.................... }
....................
.................... //Overloaded functions for atan2() for PCD
.................... // Overloaded function atan2() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 atan2(float48 y,float48 x)
.................... {
.................... float48 z;
.................... int1 sign;
.................... unsigned int8 quad;
.................... sign=0;
.................... quad=0; //quadrant
.................... quad=((y<=0.0)?((x<=0.0)?3:4):((x<0.0)?2:1));
.................... if(y<0.0)
.................... {
.................... sign=1;
.................... y=-y;
.................... }
.................... if(x<0.0)
.................... {
.................... x=-x;
.................... }
.................... if (x==0.0)
.................... {
.................... if(y==0.0)
.................... {
.................... #ifdef _ERRNO
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... }
.................... else
.................... {
.................... if(sign)
.................... {
.................... return (-(PI_DIV_BY_TWO));
.................... }
.................... else
.................... {
.................... return (PI_DIV_BY_TWO);
.................... }
.................... }
.................... }
.................... else
.................... {
.................... z=y/x;
.................... switch(quad)
.................... {
.................... case 1:
.................... {
.................... return atan(z);
.................... break;
.................... }
.................... case 2:
.................... {
.................... // return (atan(z)+PI_DIV_BY_TWO); //2L3122
.................... return (PI-atan(z));
.................... break;
.................... }
.................... case 3:
.................... {
.................... return (atan(z)-PI);
.................... break;
.................... }
.................... case 4:
.................... {
.................... return (-atan(z));
.................... break;
.................... }
.................... }
.................... }
.................... }
....................
.................... // Overloaded function atan2() for data type - Float64
.................... float64 atan2(float64 y,float64 x)
.................... {
.................... float64 z;
.................... int1 sign;
.................... unsigned int8 quad;
.................... sign=0;
.................... quad=0; //quadrant
.................... quad=((y<=0.0)?((x<=0.0)?3:4):((x<0.0)?2:1));
.................... if(y<0.0)
.................... {
.................... sign=1;
.................... y=-y;
.................... }
.................... if(x<0.0)
.................... {
.................... x=-x;
.................... }
.................... if (x==0.0)
.................... {
.................... if(y==0.0)
.................... {
.................... #ifdef _ERRNO
.................... {
.................... errno=EDOM;
.................... }
.................... #endif
.................... }
.................... else
.................... {
.................... if(sign)
.................... {
.................... return (-(PI_DIV_BY_TWO));
.................... }
.................... else
.................... {
.................... return (PI_DIV_BY_TWO);
.................... }
.................... }
.................... }
.................... else
.................... {
.................... z=y/x;
.................... switch(quad)
.................... {
.................... case 1:
.................... {
.................... return atan(z);
.................... break;
.................... }
.................... case 2:
.................... {
.................... // return (atan(z)+PI_DIV_BY_TWO); //2L3122
.................... return (PI-atan(z));
.................... break;
.................... }
.................... case 3:
.................... {
.................... return (atan(z)-PI);
.................... break;
.................... }
.................... case 4:
.................... {
.................... return (-atan(z));
.................... break;
.................... }
.................... }
.................... }
.................... }
.................... #endif
....................
.................... //////////////////// Hyperbolic functions ////////////////////
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float cosh(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : Computes the hyperbolic cosine value of x
.................... // Returns : returns the hyperbolic cosine value of x
.................... // Date : N/A
.................... //
....................
.................... float32 cosh(float32 x)
.................... {
.................... return ((exp(x)+exp(-x))/2);
.................... }
.................... //Overloaded functions for cosh() for PCD
.................... // Overloaded function cosh() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 cosh(float48 x)
.................... {
.................... return ((exp(x)+exp(-x))/2);
.................... }
....................
.................... // Overloaded function cosh() for data type - Float64
.................... float64 cosh(float64 x)
.................... {
.................... return ((exp(x)+exp(-x))/2);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float sinh(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : Computes the hyperbolic sine value of x
.................... // Returns : returns the hyperbolic sine value of x
.................... // Date : N/A
.................... //
....................
.................... float32 sinh(float32 x)
.................... {
....................
.................... return ((exp(x) - exp(-x))/2);
.................... }
.................... //Overloaded functions for sinh() for PCD
.................... // Overloaded function sinh() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 sinh(float48 x)
.................... {
....................
.................... return ((exp(x) - exp(-x))/2);
.................... }
....................
.................... // Overloaded function sinh() for data type - Float48
.................... float64 sinh(float64 x)
.................... {
....................
.................... return ((exp(x) - exp(-x))/2);
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float tanh(float x)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : Computes the hyperbolic tangent value of x
.................... // Returns : returns the hyperbolic tangent value of x
.................... // Date : N/A
.................... //
....................
.................... float32 tanh(float32 x)
.................... {
.................... return(sinh(x)/cosh(x));
.................... }
.................... //Overloaded functions for tanh() for PCD
.................... // Overloaded function tanh() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 tanh(float48 x)
.................... {
.................... return(sinh(x)/cosh(x));
.................... }
....................
.................... // Overloaded function tanh() for data type - Float64
.................... float64 tanh(float64 x)
.................... {
.................... return(sinh(x)/cosh(x));
.................... }
.................... #endif
....................
.................... ////////////////////////////////////////////////////////////////////////////
.................... // float frexp(float x, signed int *exp)
.................... ////////////////////////////////////////////////////////////////////////////
.................... // Description : breaks a floating point number into a normalized fraction and an integral
.................... // power of 2. It stores the integer in the signed int object pointed to by exp.
.................... // Returns : returns the value x, such that x is a double with magnitude in the interval
.................... // [1/2,1) or zero, and value equals x times 2 raised to the power *exp.If value is zero,
.................... // both parts of the result are zero.
.................... // Date : N/A
.................... //
....................
.................... #define LOG2 .30102999566398119521
.................... float32 frexp(float32 x, signed int8 *exp)
.................... {
.................... float32 res;
.................... int1 sign = 0;
.................... if(x == 0.0)
.................... {
.................... *exp=0;
.................... return (0.0);
.................... }
.................... if(x < 0.0)
.................... {
.................... x=-x;
.................... sign=1;
.................... }
.................... if (x > 1.0)
.................... {
.................... *exp=(ceil(log10(x)/LOG2));
.................... res=x/(pow(2, *exp));
.................... if (res == 1)
.................... {
.................... *exp=*exp+1;
.................... res=.5;
.................... }
.................... }
.................... else
.................... {
.................... if(x < 0.5)
.................... {
.................... *exp=-1;
.................... res=x*2;
.................... }
.................... else
.................... {
.................... *exp=0;
.................... res=x;
.................... }
.................... }
.................... if(sign)
.................... {
.................... res=-res;
.................... }
.................... return res;
.................... }
....................
.................... //Overloaded functions for frexp() for PCD
.................... // Overloaded function frexp() for data type - Float48
.................... #if defined(__PCD__)
.................... float48 frexp(float48 x, signed int8 *exp)
.................... {
.................... float48 res;
.................... int1 sign = 0;
.................... if(x == 0.0)
.................... {
.................... *exp=0;
.................... return (0.0);
.................... }
.................... if(x < 0.0)
.................... {
.................... x=-x;
.................... sign=1;
.................... }
.................... if (x > 1.0)
.................... {
.................... *exp=(ceil(log10(x)/LOG2));
.................... res=x/(pow(2, *exp));
.................... if (res == 1)
.................... {
.................... *exp=*exp+1;
.................... res=.5;
.................... }
.................... }
.................... else
.................... {
.................... if(x < 0.5)
.................... {
.................... *exp=-1;
.................... res=x*2;
.................... }
.................... else
.................... {
.................... *exp=0;
.................... res=x;
.................... }
.................... }
.................... if(sign)
.................... {
.................... res=-res;
.................... }
.................... return res;
.................... }
....................
.................... // Overloaded function frexp() for data type - Float64
.................... float64 frexp(float64 x, signed int8 *exp)
.................... {
.................... float64 res;
.................... int1 sign = 0;
.................... if(x == 0.0)
.................... {
.................... *exp=0;
.................... return (0.0);
.................... }
.................... if(x < 0.0)
.................... {
.................... x=-x;
.................... sign=1;
.................... }
.................... if (x > 1.0)
.................... {
.................... *exp=(ceil(log10(x)/LOG2));
.................... res=x/(pow(2, *exp));
.................... if (res == 1)
.................... {
.................... *exp=*exp+1;
.................... res=.5;
.................... }
.................... }
.................... else
.................... {
.................... if(x < 0.5)
.................... {
.................... *exp=-1;
.................... res=x*2;
.................... }
.................... else
.................... {
.................... *exp=0;
.................... res=x;
.................... }
.................... }
.................... if(sign)
.................... {
.................... res=-res;
.................... }
.................... return res;
.................... }
.................... #endif
....................
.................... //////////////////////////////////////////////////////////////////////////////
.................... // float ldexp(float x, signed int *exp)
.................... //////////////////////////////////////////////////////////////////////////////
.................... // Description : multiplies a floating point number by an integral power of 2.
.................... // Returns : returns the value of x times 2 raised to the power exp.
.................... // Date : N/A
.................... //
....................
.................... float32 ldexp(float32 value, signed int8 exp)
.................... {
.................... return (value * pow(2,exp));
.................... }
.................... //Overloaded functions for ldexp() for PCD
.................... // Overloaded function ldexp() for data type - Float48
....................
.................... #if defined(__PCD__)
.................... float48 ldexp(float48 value, signed int8 exp)
.................... {
.................... return (value * pow(2,exp));
.................... }
.................... // Overloaded function ldexp() for data type - Float64
.................... float64 ldexp(float64 value, signed int8 exp)
.................... {
.................... return (value * pow(2,exp));
.................... }
.................... #endif
....................
.................... #endif
....................
....................
.................... void main()
.................... {
*
0266: CLRF 04
0267: BCF 03.7
0268: MOVLW 1F
0269: ANDWF 03,F
026A: MOVLW 71
026B: BSF 03.5
026C: MOVWF 0F
026D: MOVF 0F,W
026E: BCF 03.5
026F: BCF 20.7
0270: MOVF 20,W
0271: BSF 03.5
0272: MOVWF 07
0273: BCF 03.5
0274: BSF 07.7
0275: BSF 03.5
0276: BSF 03.6
0277: MOVF 09,W
0278: ANDLW C0
0279: MOVWF 09
027A: BCF 03.6
027B: BCF 1F.4
027C: BCF 1F.5
027D: MOVLW 00
027E: BSF 03.6
027F: MOVWF 08
0280: BCF 03.5
0281: CLRF 07
0282: CLRF 08
0283: CLRF 09
*
028D: CLRF 34
028E: CLRF 33
.................... float last,b,anemo_speed;
.................... unsigned int16 anemo_round=0;
.................... unsigned int16 i;
....................
.................... //signed int16 X,Y,Z;
.................... setup_adc_ports(NO_ANALOGS|VSS_VDD);
028F: BSF 03.5
0290: BSF 03.6
0291: MOVF 09,W
0292: ANDLW C0
0293: MOVWF 09
0294: BCF 03.6
0295: BCF 1F.4
0296: BCF 1F.5
0297: MOVLW 00
0298: BSF 03.6
0299: MOVWF 08
.................... setup_adc(ADC_CLOCK_DIV_2);
029A: BCF 03.5
029B: BCF 03.6
029C: BCF 1F.6
029D: BCF 1F.7
029E: BSF 03.5
029F: BCF 1F.7
02A0: BCF 03.5
02A1: BSF 1F.0
.................... setup_spi(SPI_SS_DISABLED);
02A2: BCF 14.5
02A3: BCF 20.5
02A4: MOVF 20,W
02A5: BSF 03.5
02A6: MOVWF 07
02A7: BCF 03.5
02A8: BSF 20.4
02A9: MOVF 20,W
02AA: BSF 03.5
02AB: MOVWF 07
02AC: BCF 03.5
02AD: BCF 20.3
02AE: MOVF 20,W
02AF: BSF 03.5
02B0: MOVWF 07
02B1: MOVLW 01
02B2: BCF 03.5
02B3: MOVWF 14
02B4: MOVLW 00
02B5: BSF 03.5
02B6: MOVWF 14
.................... setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
02B7: MOVF 01,W
02B8: ANDLW C7
02B9: IORLW 08
02BA: MOVWF 01
.................... setup_timer_1(T1_DISABLED);
02BB: BCF 03.5
02BC: CLRF 10
.................... setup_timer_2(T2_DISABLED,0,1);
02BD: MOVLW 00
02BE: MOVWF 78
02BF: MOVWF 12
02C0: MOVLW 00
02C1: BSF 03.5
02C2: MOVWF 12
.................... setup_ccp1(CCP_OFF);
02C3: BCF 03.5
02C4: BSF 20.2
02C5: MOVF 20,W
02C6: BSF 03.5
02C7: MOVWF 07
02C8: BCF 03.5
02C9: CLRF 17
02CA: BSF 03.5
02CB: CLRF 1B
02CC: CLRF 1C
02CD: MOVLW 01
02CE: MOVWF 1D
.................... setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard
02CF: BCF 03.5
02D0: BSF 03.6
02D1: CLRF 07
02D2: CLRF 08
02D3: CLRF 09
....................
.................... printf("Magnetometr: \r\n",);
02D4: MOVLW 04
02D5: MOVWF 0D
02D6: MOVLW 00
02D7: MOVWF 0F
02D8: BCF 03.6
02D9: CALL 043
.................... printf("(c)mlab JACHO 2013: \r\n",);
02DA: MOVLW 0D
02DB: BSF 03.6
02DC: MOVWF 0D
02DD: MOVLW 00
02DE: MOVWF 0F
02DF: BCF 03.6
02E0: CALL 043
.................... printf("X, Y, Z \r\n",);
02E1: MOVLW 19
02E2: BSF 03.6
02E3: MOVWF 0D
02E4: MOVLW 00
02E5: MOVWF 0F
02E6: BCF 03.6
02E7: CALL 043
....................
....................
.................... // Init the HMC5883L. Set Mode register for
.................... // continuous measurements.
.................... hmc5883l_write_reg(HMC5883L_CFG_A_REG, 0x18); // no average, maximal update range
02E8: CLRF 37
02E9: MOVLW 18
02EA: MOVWF 38
02EB: CALL 0D3
.................... hmc5883l_write_reg(HMC5883L_CFG_B_REG, 0xE0); // maximal range
02EC: MOVLW 01
02ED: MOVWF 37
02EE: MOVLW E0
02EF: MOVWF 38
02F0: CALL 0D3
.................... hmc5883l_write_reg(HMC5883L_MODE_REG, 0x00);
02F1: MOVLW 02
02F2: MOVWF 37
02F3: CLRF 38
02F4: CALL 0D3
....................
.................... // Continuously read and display the x,y,z results.
.................... // Wait at least 67 ms between reads, re the HMC5883L data sheet.
....................
....................
.................... while(TRUE)
.................... {
....................
.................... hmc5883l_read_data();
02F5: GOTO 151
.................... printf("%6Ld %6Ld %6Ld \n\r", compass.x, compass.y, compass.z);
02F6: MOVLW 00
02F7: MOVWF 04
02F8: MOVF 22,W
02F9: MOVWF 38
02FA: MOVF 21,W
02FB: MOVWF 37
02FC: CALL 1D0
02FD: MOVLW 20
02FE: MOVWF 40
02FF: CALL 01F
0300: MOVLW 00
0301: MOVWF 04
0302: MOVF 24,W
0303: MOVWF 38
0304: MOVF 23,W
0305: MOVWF 37
0306: CALL 1D0
0307: MOVLW 20
0308: MOVWF 40
0309: CALL 01F
030A: MOVLW 00
030B: MOVWF 04
030C: MOVF 26,W
030D: MOVWF 38
030E: MOVF 25,W
030F: MOVWF 37
0310: CALL 1D0
0311: MOVLW 20
0312: MOVWF 40
0313: CALL 01F
0314: MOVLW 0A
0315: MOVWF 40
0316: CALL 01F
0317: MOVLW 0D
0318: MOVWF 40
0319: CALL 01F
.................... delay_ms(100);
031A: MOVLW 64
031B: MOVWF 37
031C: GOTO 250
.................... }
031D: GOTO 2F5
....................
.................... }
....................
....................
....................
031E: SLEEP
Configuration Fuses:
Word 1: 2CF5 INTRC NOWDT NOPUT MCLR NOPROTECT NOCPD NOBROWNOUT IESO FCMEN NOLVP NODEBUG
Word 2: 3FFF NOWRT BORV40