2 * Copyright (c) 1985, 1990, 1993
3 * The Regents of the University of California. All rights reserved.
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9 * notice, this list of conditions and the following disclaimer.
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11 * notice, this list of conditions and the following disclaimer in the
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14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
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33 * @(#)math.h 8.1 (Berkeley) 6/2/93
40 #define HUGE_VAL 1e500 /* IEEE: positive infinity */
42 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
45 #define M_E 2.7182818284590452354 /* e */
46 #define M_LOG2E 1.4426950408889634074 /* log 2e */
47 #define M_LOG10E 0.43429448190325182765 /* log 10e */
48 #define M_LN2 0.69314718055994530942 /* log e2 */
49 #define M_LN10 2.30258509299404568402 /* log e10 */
50 #define M_PI 3.14159265358979323846 /* pi */
51 #define M_PI_2 1.57079632679489661923 /* pi/2 */
52 #define M_PI_4 0.78539816339744830962 /* pi/4 */
53 #define M_1_PI 0.31830988618379067154 /* 1/pi */
54 #define M_2_PI 0.63661977236758134308 /* 2/pi */
55 #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
56 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
57 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
58 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
60 #include <sys/cdefs.h>
63 * Most of these functions have the side effect of setting errno, except
64 * in the (broken) BSD libm, so they not declared as __pure2.
70 double atan2(double, double);
77 double fmod(double, double);
78 double frexp(double, int *); /* fundamentally !__pure2 */
79 double ldexp(double, int);
82 double modf(double, double *); /* fundamentally !__pure2 */
83 double pow(double, double);
91 * These functions are non-ANSI so they can be "right". The ones that
92 * don't set errno in [lib]msun are declared as __pure2.
94 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
98 double cabs(); /* we can't describe cabs()'s argument properly */
99 double cbrt(double) __pure2;
100 double copysign(double, double) __pure2;
101 double drem(double, double);
103 double erfc(double) __pure2;
104 double expm1(double) __pure2;
105 int finite(double) __pure2;
106 double hypot(double, double);
107 int isinf(double) __pure2;
108 int isnan(double) __pure2;
111 double jn(int, double);
112 double lgamma(double);
113 double log1p(double) __pure2;
114 double logb(double) __pure2;
115 double rint(double) __pure2;
116 double scalb(double, int);
119 double yn(int, double);
124 #endif /* !_MATH_H_ */