1 /* 2 * Copyright (c) 1985, 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)math.h 5.8 (Berkeley) 4/2/91 34 * 35 * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE 36 * -------------------- ----- ---------------------- 37 * CURRENT PATCH LEVEL: 1 00086 38 * -------------------- ----- ---------------------- 39 * 40 * 27 Feb 93 Handel/da Silva/Poirot Adjust value for HUGE_VAL 41 */ 42 43 #ifndef _MATH_H_ 44 #define _MATH_H_ 45 46 #if defined(vax) || defined(tahoe) /* DBL_MAX from float.h */ 47 #define HUGE_VAL 1.701411834604692294E+38 48 #else 49 #define HUGE_VAL 1.797693134862315E+308 /* IEEE: positive infinity */ 50 #endif 51 52 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 53 #if defined(vax) || defined(tahoe) 54 /* 55 * HUGE for the VAX and Tahoe converts to the largest possible F-float value. 56 * This implies an understanding of the conversion behavior of atof(3). It 57 * was defined to be the largest float so that overflow didn't occur when it 58 * was assigned to a single precision number. HUGE_VAL is strongly preferred. 59 */ 60 #define HUGE 1.701411733192644270E+38 61 #else 62 #define HUGE HUGE_VAL 63 #endif 64 #endif 65 66 #define M_E 2.7182818284590452354 /* e */ 67 #define M_LOG2E 1.4426950408889634074 /* log 2e */ 68 #define M_LOG10E 0.43429448190325182765 /* log 10e */ 69 #define M_LN2 0.69314718055994530942 /* log e2 */ 70 #define M_LN10 2.30258509299404568402 /* log e10 */ 71 #define M_PI 3.14159265358979323846 /* pi */ 72 #define M_PI_2 1.57079632679489661923 /* pi/2 */ 73 #define M_PI_4 0.78539816339744830962 /* pi/4 */ 74 #define M_1_PI 0.31830988618379067154 /* 1/pi */ 75 #define M_2_PI 0.63661977236758134308 /* 2/pi */ 76 #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ 77 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ 78 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ 79 80 #include <sys/cdefs.h> 81 82 __BEGIN_DECLS 83 double acos __P((double)); 84 double asin __P((double)); 85 double atan __P((double)); 86 double atan2 __P((double, double)); 87 double ceil __P((double)); 88 double cos __P((double)); 89 double cosh __P((double)); 90 double exp __P((double)); 91 double fabs __P((double)); 92 double floor __P((double)); 93 double fmod __P((double, double)); 94 double frexp __P((double, int *)); 95 double ldexp __P((double, int)); 96 double log __P((double)); 97 double log10 __P((double)); 98 double modf __P((double, double *)); 99 double pow __P((double, double)); 100 double sin __P((double)); 101 double sinh __P((double)); 102 double sqrt __P((double)); 103 double tan __P((double)); 104 double tanh __P((double)); 105 106 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 107 double acosh __P((double)); 108 double asinh __P((double)); 109 double atanh __P((double)); 110 double cabs(); /* we can't describe cabs()'s argument properly */ 111 double cbrt __P((double)); 112 double copysign __P((double, double)); 113 double drem __P((double, double)); 114 double erf __P((double)); 115 double erfc __P((double)); 116 double expm1 __P((double)); 117 int finite __P((double)); 118 double hypot __P((double, double)); 119 #if defined(vax) || defined(tahoe) 120 double infnan __P((int)); 121 #endif 122 int isinf __P((double)); 123 int isnan __P((double)); 124 double j0 __P((double)); 125 double j1 __P((double)); 126 double jn __P((int, double)); 127 double lgamma __P((double)); 128 double log1p __P((double)); 129 double logb __P((double)); 130 double rint __P((double)); 131 double scalb __P((double, int)); 132 double y0 __P((double)); 133 double y1 __P((double)); 134 double yn __P((int, double)); 135 #endif 136 137 __END_DECLS 138 139 #endif /* _MATH_H_ */ 140