7da93d58fd
for gcc built without newlib. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1017 a1c6a512-1295-4272-9138-f99709370657
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* math.h -- Definitions for the math floating point package. */
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#ifndef _MATH_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _MATH_H_
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#include "_ansi.h"
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#ifndef __STRICT_ANSI__
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#define __signgam_r(ptr) ((ptr)->_new._reent._gamma_signgam)
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/* Values for the type field of struct exception. */
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#define DOMAIN 1
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#define SING 2
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#define OVERFLOW 3
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#define UNDERFLOW 4
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#define TLOSS 5
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#define PLOSS 6
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/* Useful constants. */
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#define M_E 2.7182818284590452354
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#define M_LOG2E 1.4426950408889634074
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#define M_LOG10E 0.43429448190325182765
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#define M_LN2 0.69314718055994530942
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_TWOPI (M_PI * 2.0)
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#define M_PI_2 1.57079632679489661923
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#define M_PI_4 0.78539816339744830962
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#define M_3PI_4 2.3561944901923448370E0
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#define M_SQRTPI 1.77245385090551602792981
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#define M_1_PI 0.31830988618379067154
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#define M_2_PI 0.63661977236758134308
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#define M_2_SQRTPI 1.12837916709551257390
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#define M_SQRT2 1.41421356237309504880
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#define M_SQRT1_2 0.70710678118654752440
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#define M_LN2LO 1.9082149292705877000E-10
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#define M_LN2HI 6.9314718036912381649E-1
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#define M_SQRT3 1.73205080756887719000
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#define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */
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#define M_LOG2_E 0.693147180559945309417
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#define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */
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#endif /* ! defined (__STRICT_ANSI__) */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _MATH_H_ */
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