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1.1 ! root 1: /* ! 2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights ! 7: * Reserved. This file contains Original Code and/or Modifications of ! 8: * Original Code as defined in and that are subject to the Apple Public ! 9: * Source License Version 1.1 (the "License"). You may not use this file ! 10: * except in compliance with the License. Please obtain a copy of the ! 11: * License at http://www.apple.com/publicsource and read it before using ! 12: * this file. ! 13: * ! 14: * The Original Code and all software distributed under the License are ! 15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 19: * License for the specific language governing rights and limitations ! 20: * under the License. ! 21: * ! 22: * @APPLE_LICENSE_HEADER_END@ ! 23: */ ! 24: ! 25: /* Copyright (c) 1995 by NeXT Computer, Inc. All rights reserved. */ ! 26: /* ! 27: * ==================================================== ! 28: * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. ! 29: * ! 30: * Developed at SunPro, a Sun Microsystems, Inc. business. ! 31: * Permission to use, copy, modify, and distribute this ! 32: * software is freely granted, provided that this notice ! 33: * is preserved. ! 34: * ==================================================== ! 35: */ ! 36: ! 37: #ifndef _MATH_H_ ! 38: #define _MATH_H_ ! 39: ! 40: /* ! 41: * ANSI/POSIX ! 42: */ ! 43: #define HUGE_VAL 1e500 /* IEEE: positive infinity */ ! 44: ! 45: /* ! 46: * XOPEN/SVID ! 47: */ ! 48: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) ! 49: #define M_E 2.7182818284590452354 /* e */ ! 50: #define M_LOG2E 1.4426950408889634074 /* log 2e */ ! 51: #define M_LOG10E 0.43429448190325182765 /* log 10e */ ! 52: #define M_LN2 0.69314718055994530942 /* log e2 */ ! 53: #define M_LN10 2.30258509299404568402 /* log e10 */ ! 54: #define M_PI 3.14159265358979323846 /* pi */ ! 55: #define M_PI_2 1.57079632679489661923 /* pi/2 */ ! 56: #define M_PI_4 0.78539816339744830962 /* pi/4 */ ! 57: #define M_1_PI 0.31830988618379067154 /* 1/pi */ ! 58: #define M_2_PI 0.63661977236758134308 /* 2/pi */ ! 59: #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ ! 60: #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ ! 61: #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ ! 62: ! 63: #define MAXFLOAT ((float)3.40282346638528860e+38) ! 64: extern int signgam; ! 65: ! 66: #if !defined(_XOPEN_SOURCE) ! 67: enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix}; ! 68: ! 69: #define _LIB_VERSION_TYPE enum fdversion ! 70: #define _LIB_VERSION _fdlib_version ! 71: ! 72: /* if global variable _LIB_VERSION is not desirable, one may ! 73: * change the following to be a constant by: ! 74: * #define _LIB_VERSION_TYPE const enum version ! 75: * In that case, after one initializes the value _LIB_VERSION (see ! 76: * s_lib_version.c) during compile time, it cannot be modified ! 77: * in the middle of a program ! 78: */ ! 79: extern _LIB_VERSION_TYPE _LIB_VERSION; ! 80: ! 81: #define _IEEE_ fdlibm_ieee ! 82: #define _SVID_ fdlibm_svid ! 83: #define _XOPEN_ fdlibm_xopen ! 84: #define _POSIX_ fdlibm_posix ! 85: ! 86: struct exception { ! 87: int type; ! 88: char *name; ! 89: double arg1; ! 90: double arg2; ! 91: double retval; ! 92: }; ! 93: ! 94: #define HUGE MAXFLOAT ! 95: ! 96: /* ! 97: * set X_TLOSS = pi*2**52, which is possibly defined in <values.h> ! 98: * (one may replace the following line by "#include <values.h>") ! 99: */ ! 100: ! 101: #define X_TLOSS 1.41484755040568800000e+16 ! 102: ! 103: #define DOMAIN 1 ! 104: #define SING 2 ! 105: #define OVERFLOW 3 ! 106: #define UNDERFLOW 4 ! 107: #define TLOSS 5 ! 108: #define PLOSS 6 ! 109: ! 110: #endif /* !_XOPEN_SOURCE */ ! 111: #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ ! 112: ! 113: ! 114: #include <sys/cdefs.h> ! 115: __BEGIN_DECLS ! 116: /* ! 117: * ANSI/POSIX ! 118: */ ! 119: extern __pure double acos __P((double)); ! 120: extern __pure double asin __P((double)); ! 121: extern __pure double atan __P((double)); ! 122: extern __pure double atan2 __P((double, double)); ! 123: extern __pure double cos __P((double)); ! 124: extern __pure double sin __P((double)); ! 125: extern __pure double tan __P((double)); ! 126: ! 127: extern __pure double cosh __P((double)); ! 128: extern __pure double sinh __P((double)); ! 129: extern __pure double tanh __P((double)); ! 130: ! 131: extern __pure double exp __P((double)); ! 132: extern double frexp __P((double, int *)); ! 133: extern __pure double ldexp __P((double, int)); ! 134: extern __pure double log __P((double)); ! 135: extern __pure double log10 __P((double)); ! 136: extern double modf __P((double, double *)); ! 137: ! 138: extern __pure double pow __P((double, double)); ! 139: extern __pure double sqrt __P((double)); ! 140: ! 141: extern __pure double ceil __P((double)); ! 142: extern __pure double fabs __P((double)); ! 143: extern __pure double floor __P((double)); ! 144: extern __pure double fmod __P((double, double)); ! 145: ! 146: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) ! 147: extern __pure double erf __P((double)); ! 148: extern __pure double erfc __P((double)); ! 149: extern double gamma __P((double)); ! 150: extern __pure double hypot __P((double, double)); ! 151: extern __pure int isinf __P((double)); ! 152: extern __pure int isnan __P((double)); ! 153: extern __pure int finite __P((double)); ! 154: extern __pure double j0 __P((double)); ! 155: extern __pure double j1 __P((double)); ! 156: extern __pure double jn __P((int, double)); ! 157: extern double lgamma __P((double)); ! 158: extern __pure double y0 __P((double)); ! 159: extern __pure double y1 __P((double)); ! 160: extern __pure double yn __P((int, double)); ! 161: ! 162: #if !defined(_XOPEN_SOURCE) ! 163: extern __pure double acosh __P((double)); ! 164: extern __pure double asinh __P((double)); ! 165: extern __pure double atanh __P((double)); ! 166: extern __pure double cbrt __P((double)); ! 167: extern __pure double logb __P((double)); ! 168: extern __pure double nextafter __P((double, double)); ! 169: extern __pure double remainder __P((double, double)); ! 170: extern __pure double scalb __P((double, int)); ! 171: ! 172: extern int matherr __P((struct exception *)); ! 173: ! 174: /* ! 175: * IEEE Test Vector ! 176: */ ! 177: extern __pure double significand __P((double)); ! 178: ! 179: /* ! 180: * Functions callable from C, intended to support IEEE arithmetic. ! 181: */ ! 182: extern __pure double copysign __P((double, double)); ! 183: extern __pure int ilogb __P((double)); ! 184: extern __pure double rint __P((double)); ! 185: extern __pure double scalbn __P((double, int)); ! 186: ! 187: /* ! 188: * BSD math library entry points ! 189: */ ! 190: extern double cabs(); ! 191: extern __pure double drem __P((double, double)); ! 192: extern __pure double expm1 __P((double)); ! 193: extern __pure double log1p __P((double)); ! 194: ! 195: /* ! 196: * Reentrant version of gamma & lgamma; passes signgam back by reference ! 197: * as the second argument; user must allocate space for signgam. ! 198: */ ! 199: #ifdef _REENTRANT ! 200: extern double gamma_r __P((double, int *)); ! 201: extern double lgamma_r __P((double, int *)); ! 202: #endif /* _REENTRANT */ ! 203: #endif /* !_XOPEN_SOURCE */ ! 204: #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ ! 205: __END_DECLS ! 206: ! 207: #endif /* _MATH_H_ */
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