232 lines
7.3 KiB
C
232 lines
7.3 KiB
C
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/***************************************************************************
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* FILE: math.h/cmath (Math functions)
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*
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* =========================================================================
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*
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* Open Watcom Project
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*
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* Copyright (c) 2002-2010 Open Watcom Contributors. All Rights Reserved.
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* This file is automatically generated. Do not edit directly.
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*
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* =========================================================================
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*
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* Description: This header is part of the C/C++ standard library. It
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* describes the math functions provided by those standards.
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***************************************************************************/
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#ifndef _MATH_H_INCLUDED
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#define _MATH_H_INCLUDED
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#ifndef _ENABLE_AUTODEPEND
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#pragma read_only_file;
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#endif
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#ifdef __cplusplus
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#define _INCLUDED_FROM_MATH_H
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#include <cmath>
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#undef _INCLUDED_FROM_MATH_H
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// C99 functions in math.h
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using std::acos;
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using std::asin;
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using std::atan;
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using std::atan2;
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using std::ceil;
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using std::cos;
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using std::cosh;
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using std::exp;
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using std::fabs;
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using std::floor;
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using std::fmod;
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using std::frexp;
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using std::ldexp;
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using std::log;
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using std::log10;
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using std::modf;
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using std::pow;
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using std::sin;
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using std::sinh;
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using std::sqrt;
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using std::tan;
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using std::tanh;
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// C99 functions in math.h that are currently considered extensions.
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#if !defined(NO_EXT_KEYS) /* extensions enabled */
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using std::acosh;
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using std::asinh;
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using std::atanh;
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using std::hypot;
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using std::log2;
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#endif /* extensions enabled */
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#else /* __cplusplus not defined */
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#ifndef _COMDEF_H_INCLUDED
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#include <_comdef.h>
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#endif
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#ifdef _M_IX86
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#pragma pack( __push, 1 )
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#else
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#pragma pack( __push, 8 )
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#endif
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_WCRTLINK extern const double *__get_HugeValue_ptr( void );
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#if defined(__FUNCTION_DATA_ACCESS)
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#define _HugeValue (*__get_HugeValue_ptr())
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#elif defined(__SW_BR) || defined(_RTDLL)
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#define _HugeValue _HugeValue_br
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#endif
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_WCRTDATA extern const double _WCDATA _HugeValue;
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#define HUGE_VAL _HugeValue
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/* Internal library helper routines */
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_WMRTLINK extern int _FSClass( float __x );
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_WMRTLINK extern int _FDClass( double __x );
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_WMRTLINK extern int _FLClass( long double __x );
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_WMRTLINK extern int _FSSign( float __x );
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_WMRTLINK extern int _FDSign( double __x );
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_WMRTLINK extern int _FLSign( long double __x );
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/* Floating-point classification macros */
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#define FP_ZERO 0
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#define FP_SUBNORMAL 1
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#define FP_NORMAL 2
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#define FP_NAN 3
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#define FP_INFINITE 4
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#define fpclassify(x) \
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((sizeof(x) == sizeof(float)) ? _FSClass(x) : \
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(sizeof(x) == sizeof(double)) ? _FDClass(x) : \
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_FLClass(x))
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#define isfinite(x) (fpclassify(x) <= FP_NORMAL)
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#define isinf(x) (fpclassify(x) == FP_INFINITE)
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#define isnan(x) (fpclassify(x) == FP_NAN)
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#define isnormal(x) (fpclassify(x) == FP_NORMAL)
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#define signbit(x) \
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((sizeof(x) == sizeof(float)) ? _FSSign(x) : \
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(sizeof(x) == sizeof(double)) ? _FDSign(x) : \
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_FLSign(x))
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/* Floating-point Infinity and NaN constants */
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_WMRTDATA extern const float __f_infinity;
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_WMRTDATA extern const float __f_posqnan;
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#define INFINITY __f_infinity
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#define NAN __f_posqnan
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_WMRTLINK extern double ceil( double __x );
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_WMRTLINK extern double floor( double __x );
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#if defined(_M_IX86) && 0
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#pragma aux ceil parm nomemory modify nomemory;
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#pragma aux floor parm nomemory modify nomemory;
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#endif
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_WMRTLINK extern double frexp( double __value, int *__exp );
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_WMRTLINK extern double ldexp( double __x, int __exp );
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_WMRTLINK extern double modf( double __value, double *__iptr );
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_WMIRTLINK extern double acos( double __x );
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_WMIRTLINK extern double asin( double __x );
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_WMIRTLINK extern double atan( double __x );
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_WMIRTLINK extern double atan2( double __y, double __x );
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_WMIRTLINK extern double cos( double __x );
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_WMIRTLINK extern double cosh( double __x );
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_WMIRTLINK extern double exp( double __x );
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_WMIRTLINK extern double fabs( double __x );
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_WMIRTLINK extern double fmod( double __x, double __y );
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_WMIRTLINK extern double log( double __x );
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_WMIRTLINK extern double log10( double __x );
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_WMIRTLINK extern double pow( double __x, double __y );
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_WMIRTLINK extern double sin( double __x );
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_WMIRTLINK extern double sinh( double __x );
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_WMIRTLINK extern double sqrt( double __x );
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_WMIRTLINK extern double tan( double __x );
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_WMIRTLINK extern double tanh( double __x );
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#if !defined(NO_EXT_KEYS) /* extensions enabled */
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/* non-ANSI */
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struct _complex {
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double x;
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double y;
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};
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struct complex {
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double x;
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double y;
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};
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_WMRTLINK extern double acosh( double __x );
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_WMRTLINK extern double asinh( double __x );
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_WMRTLINK extern double atanh( double __x );
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_WMRTLINK extern double hypot( double __x, double __y );
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_WMRTLINK extern double log2( double __x );
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_WMRTLINK extern double cabs( struct _complex );
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_WMRTLINK extern double j0( double __x );
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_WMRTLINK extern double j1( double __x );
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_WMRTLINK extern double jn( int __n, double __x );
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_WMRTLINK extern double y0( double __x );
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_WMRTLINK extern double y1( double __x );
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_WMRTLINK extern double yn( int __n, double __x );
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/* The following struct is used to record errors detected in the math library.
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* matherr is called with a pointer to this struct for possible error recovery.
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*/
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struct _exception {
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int type; /* type of error, see below */
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char *name; /* name of math function */
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double arg1; /* value of first argument to function */
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double arg2; /* second argument (if indicated) */
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double retval; /* default return value */
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};
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struct exception {
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int type; /* type of error, see below */
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char *name; /* name of math function */
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double arg1; /* value of first argument to function */
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double arg2; /* second argument (if indicated) */
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double retval; /* default return value */
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};
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#define DOMAIN 1 /* argument domain error */
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#define SING 2 /* argument singularity */
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#define OVERFLOW 3 /* overflow range error */
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#define UNDERFLOW 4 /* underflow range error */
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#define TLOSS 5 /* total loss of significance */
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#define PLOSS 6 /* partial loss of significance */
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_WMRTLINK extern int matherr( struct _exception * );
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_WMRTLINK extern double _matherr( struct _exception * );
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_WMRTLINK extern void _set_matherr( int (*rtn)( struct _exception * ) );
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_WCRTLINK extern int _dieeetomsbin( double *__x, double *__y );
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_WCRTLINK extern int _dmsbintoieee( double *__x, double *__y );
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_WCRTLINK extern int _fieeetomsbin( float *__x, float *__y );
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_WCRTLINK extern int _fmsbintoieee( float *__x, float *__y );
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#endif /* extensions enabled */
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#if !defined(__NO_MATH_OPS) && defined(_M_IX86)
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/*
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Defining the __NO_MATH_OPS macro will stop the compiler from
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recognizing the following functions as intrinsic operators.
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*/
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#pragma intrinsic(log,cos,sin,tan,sqrt,fabs,pow,atan2,fmod)
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#pragma intrinsic(acos,asin,atan,cosh,exp,log10,sinh,tanh)
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#endif
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#pragma pack( __pop )
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#endif /* __cplusplus not defined */
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#endif
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