88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
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/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#ifndef __MATH
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#define __MATH
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#pragma lib "/$M/lib/ape/libap.a"
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/* a HUGE_VAL appropriate for IEEE double-precision */
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/* the correct value, 1.797693134862316e+308, causes a ken overflow */
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#define HUGE_VAL 1.79769313486231e+308
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern double acos(double);
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extern double asin(double);
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extern double atan(double);
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extern double atan2(double, double);
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extern double cos(double);
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extern double hypot(double, double);
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extern double sin(double);
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extern double tan(double);
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extern double cosh(double);
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extern double sinh(double);
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extern double tanh(double);
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extern double exp(double);
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extern double frexp(double, int *);
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extern double ldexp(double, int);
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extern double log(double);
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extern double log10(double);
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extern double modf(double, double *);
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extern double pow(double, double);
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extern double sqrt(double);
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extern double ceil(double);
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extern double fabs(double);
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extern double floor(double);
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extern double fmod(double, double);
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extern double NaN(void);
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extern int isNaN(double);
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extern double Inf(int);
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extern int isInf(double, int);
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#ifdef _RESEARCH_SOURCE
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/* does >> treat left operand as unsigned ? */
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#define Unsigned_Shifts 1
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#define M_E 2.7182818284590452354 /* e */
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#define M_LOG2E 1.4426950408889634074 /* log 2e */
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#define M_LOG10E 0.43429448190325182765 /* log 10e */
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#define M_LN2 0.69314718055994530942 /* log e2 */
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#define M_LN10 2.30258509299404568402 /* log e10 */
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#define M_PI 3.14159265358979323846 /* pi */
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#define M_PI_2 1.57079632679489661923 /* pi/2 */
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#define M_PI_4 0.78539816339744830962 /* pi/4 */
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#define M_1_PI 0.31830988618379067154 /* 1/pi */
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#define M_2_PI 0.63661977236758134308 /* 2/pi */
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#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
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#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
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#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
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extern double hypot(double, double);
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extern double erf(double);
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extern double erfc(double);
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extern double j0(double);
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extern double y0(double);
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extern double j1(double);
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extern double y1(double);
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extern double jn(int, double);
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extern double yn(int, double);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#define isnan(x) isNaN(x)
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#define isinf(x) isInf(x, 0)
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#endif /* __MATH */
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