71 lines
2.5 KiB
C
71 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 */
|