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1.1 ! root 1: /* ! 2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * The contents of this file constitute Original Code as defined in and ! 7: * are subject to the Apple Public Source License Version 1.1 (the ! 8: * "License"). You may not use this file except in compliance with the ! 9: * License. Please obtain a copy of the License at ! 10: * http://www.apple.com/publicsource and read it before using this file. ! 11: * ! 12: * This Original Code and all software distributed under the License are ! 13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 17: * License for the specific language governing rights and limitations ! 18: * under the License. ! 19: * ! 20: * @APPLE_LICENSE_HEADER_END@ ! 21: */ ! 22: /* Copyright (c) 1995 by NeXT Computer, Inc. All rights reserved. */ ! 23: /* ! 24: * ==================================================== ! 25: * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. ! 26: * ! 27: * Developed at SunPro, a Sun Microsystems, Inc. business. ! 28: * Permission to use, copy, modify, and distribute this ! 29: * software is freely granted, provided that this notice ! 30: * is preserved. ! 31: * ==================================================== ! 32: */ ! 33: ! 34: #ifndef _MATH_H_ ! 35: #define _MATH_H_ ! 36: ! 37: /* ! 38: * ANSI/POSIX ! 39: */ ! 40: #define HUGE_VAL 1e500 /* IEEE: positive infinity */ ! 41: ! 42: /* ! 43: * XOPEN/SVID ! 44: */ ! 45: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) ! 46: #define M_E 2.7182818284590452354 /* e */ ! 47: #define M_LOG2E 1.4426950408889634074 /* log 2e */ ! 48: #define M_LOG10E 0.43429448190325182765 /* log 10e */ ! 49: #define M_LN2 0.69314718055994530942 /* log e2 */ ! 50: #define M_LN10 2.30258509299404568402 /* log e10 */ ! 51: #define M_PI 3.14159265358979323846 /* pi */ ! 52: #define M_PI_2 1.57079632679489661923 /* pi/2 */ ! 53: #define M_PI_4 0.78539816339744830962 /* pi/4 */ ! 54: #define M_1_PI 0.31830988618379067154 /* 1/pi */ ! 55: #define M_2_PI 0.63661977236758134308 /* 2/pi */ ! 56: #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ ! 57: #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ ! 58: #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ ! 59: ! 60: #define MAXFLOAT ((float)3.40282346638528860e+38) ! 61: extern int signgam; ! 62: ! 63: #if !defined(_XOPEN_SOURCE) ! 64: enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix}; ! 65: ! 66: #define _LIB_VERSION_TYPE enum fdversion ! 67: #define _LIB_VERSION _fdlib_version ! 68: ! 69: /* if global variable _LIB_VERSION is not desirable, one may ! 70: * change the following to be a constant by: ! 71: * #define _LIB_VERSION_TYPE const enum version ! 72: * In that case, after one initializes the value _LIB_VERSION (see ! 73: * s_lib_version.c) during compile time, it cannot be modified ! 74: * in the middle of a program ! 75: */ ! 76: extern _LIB_VERSION_TYPE _LIB_VERSION; ! 77: ! 78: #define _IEEE_ fdlibm_ieee ! 79: #define _SVID_ fdlibm_svid ! 80: #define _XOPEN_ fdlibm_xopen ! 81: #define _POSIX_ fdlibm_posix ! 82: ! 83: #if !defined(__cplusplus) ! 84: struct exception { ! 85: int type; ! 86: char *name; ! 87: double arg1; ! 88: double arg2; ! 89: double retval; ! 90: }; ! 91: #endif ! 92: ! 93: #define HUGE MAXFLOAT ! 94: ! 95: /* ! 96: * set X_TLOSS = pi*2**52, which is possibly defined in <values.h> ! 97: * (one may replace the following line by "#include <values.h>") ! 98: */ ! 99: ! 100: #define X_TLOSS 1.41484755040568800000e+16 ! 101: ! 102: #define DOMAIN 1 ! 103: #define SING 2 ! 104: #define OVERFLOW 3 ! 105: #define UNDERFLOW 4 ! 106: #define TLOSS 5 ! 107: #define PLOSS 6 ! 108: ! 109: #endif /* !_XOPEN_SOURCE */ ! 110: #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ ! 111: ! 112: ! 113: #include <sys/cdefs.h> ! 114: __BEGIN_DECLS ! 115: /* ! 116: * ANSI/POSIX ! 117: */ ! 118: extern __pure double acos __P((double)); ! 119: extern __pure double asin __P((double)); ! 120: extern __pure double atan __P((double)); ! 121: extern __pure double atan2 __P((double, double)); ! 122: extern __pure double cos __P((double)); ! 123: extern __pure double sin __P((double)); ! 124: extern __pure double tan __P((double)); ! 125: ! 126: extern __pure double cosh __P((double)); ! 127: extern __pure double sinh __P((double)); ! 128: extern __pure double tanh __P((double)); ! 129: ! 130: extern __pure double exp __P((double)); ! 131: extern double frexp __P((double, int *)); ! 132: extern __pure double ldexp __P((double, int)); ! 133: extern __pure double log __P((double)); ! 134: extern __pure double log10 __P((double)); ! 135: extern double modf __P((double, double *)); ! 136: ! 137: extern __pure double pow __P((double, double)); ! 138: extern __pure double sqrt __P((double)); ! 139: ! 140: extern __pure double ceil __P((double)); ! 141: extern __pure double fabs __P((double)); ! 142: extern __pure double floor __P((double)); ! 143: extern __pure double fmod __P((double, double)); ! 144: ! 145: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) ! 146: extern __pure double erf __P((double)); ! 147: extern __pure double erfc __P((double)); ! 148: extern double gamma __P((double)); ! 149: extern __pure double hypot __P((double, double)); ! 150: extern __pure int isinf __P((double)); ! 151: extern __pure int isnan __P((double)); ! 152: extern __pure int finite __P((double)); ! 153: extern __pure double j0 __P((double)); ! 154: extern __pure double j1 __P((double)); ! 155: extern __pure double jn __P((int, double)); ! 156: extern double lgamma __P((double)); ! 157: extern __pure double y0 __P((double)); ! 158: extern __pure double y1 __P((double)); ! 159: extern __pure double yn __P((int, double)); ! 160: ! 161: #if !defined(_XOPEN_SOURCE) ! 162: extern __pure double acosh __P((double)); ! 163: extern __pure double asinh __P((double)); ! 164: extern __pure double atanh __P((double)); ! 165: extern __pure double cbrt __P((double)); ! 166: extern __pure double logb __P((double)); ! 167: extern __pure double nextafter __P((double, double)); ! 168: extern __pure double remainder __P((double, double)); ! 169: extern __pure double scalb __P((double, int)); ! 170: ! 171: extern int matherr __P((struct exception *)); ! 172: ! 173: /* ! 174: * IEEE Test Vector ! 175: */ ! 176: extern __pure double significand __P((double)); ! 177: ! 178: /* ! 179: * Functions callable from C, intended to support IEEE arithmetic. ! 180: */ ! 181: extern __pure double copysign __P((double, double)); ! 182: extern __pure int ilogb __P((double)); ! 183: extern __pure double rint __P((double)); ! 184: extern __pure double scalbn __P((double, int)); ! 185: ! 186: /* ! 187: * BSD math library entry points ! 188: */ ! 189: extern double cabs(); ! 190: extern __pure double drem __P((double, double)); ! 191: extern __pure double expm1 __P((double)); ! 192: extern __pure double log1p __P((double)); ! 193: ! 194: /* ! 195: * Reentrant version of gamma & lgamma; passes signgam back by reference ! 196: * as the second argument; user must allocate space for signgam. ! 197: */ ! 198: #ifdef _REENTRANT ! 199: extern double gamma_r __P((double, int *)); ! 200: extern double lgamma_r __P((double, int *)); ! 201: #endif /* _REENTRANT */ ! 202: #endif /* !_XOPEN_SOURCE */ ! 203: #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ ! 204: __END_DECLS ! 205: ! 206: #endif /* _MATH_H_ */
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