minix/include/math.h
Erik van der Kouwe 17b10f1bf3 Add fabsf function
2010-01-08 07:27:11 +00:00

70 lines
2.5 KiB
C

/* The <math.h> header contains prototypes for mathematical functions. */
#ifndef _MATH_H
#define _MATH_H
#ifndef _ANSI_H
#include <ansi.h>
#endif
#define INFINITY (__infinity())
#define NAN (__qnan())
#define HUGE_VAL INFINITY
/* Function Prototypes. */
_PROTOTYPE( double __infinity, (void) );
_PROTOTYPE( double __qnan, (void) );
_PROTOTYPE( double acos, (double _x) );
_PROTOTYPE( double asin, (double _x) );
_PROTOTYPE( double atan, (double _x) );
_PROTOTYPE( double atan2, (double _y, double _x) );
_PROTOTYPE( double ceil, (double _x) );
_PROTOTYPE( double cos, (double _x) );
_PROTOTYPE( double cosh, (double _x) );
_PROTOTYPE( double exp, (double _x) );
_PROTOTYPE( double fabs, (double _x) );
_PROTOTYPE( double fabsf, (float _x) );
_PROTOTYPE( double floor, (double _x) );
_PROTOTYPE( double fmod, (double _x, double _y) );
_PROTOTYPE( double frexp, (double _x, int *_exp) );
_PROTOTYPE( double ldexp, (double _x, int _exp) );
_PROTOTYPE( double log, (double _x) );
_PROTOTYPE( double log10, (double _x) );
_PROTOTYPE( double modf, (double _x, double *_iptr) );
_PROTOTYPE( double pow, (double _x, double _y) );
_PROTOTYPE( double rint, (double _x) );
_PROTOTYPE( double sin, (double _x) );
_PROTOTYPE( double sinh, (double _x) );
_PROTOTYPE( double sqrt, (double _x) );
_PROTOTYPE( double tan, (double _x) );
_PROTOTYPE( double tanh, (double _x) );
_PROTOTYPE( double hypot, (double _x, double _y) );
#ifdef _POSIX_SOURCE /* STD-C? */
#include <mathconst.h>
#define FP_INFINITE 1
#define FP_NAN 2
#define FP_NORMAL 3
#define FP_SUBNORMAL 4
#define FP_ZERO 5
_PROTOTYPE( int fpclassify, (double x) );
_PROTOTYPE( int isfinite, (double x) );
_PROTOTYPE( int isinf, (double x) );
_PROTOTYPE( int isnan, (double x) );
_PROTOTYPE( int isnormal, (double x) );
_PROTOTYPE( int signbit, (double x) );
_PROTOTYPE( int isgreater, (double x, double y) );
_PROTOTYPE( int isgreaterequal, (double x, double y) );
_PROTOTYPE( int isless, (double x, double y) );
_PROTOTYPE( int islessequal, (double x, double y) );
_PROTOTYPE( int islessgreater, (double x, double y) );
_PROTOTYPE( int isunordered, (double x, double y) );
_PROTOTYPE( double nearbyint, (double x) );
_PROTOTYPE( double remainder, (double x, double y) );
_PROTOTYPE( double trunc, (double x) );
#endif
#endif /* _MATH_H */