C语言头文件 MATH C语言头文件 MATH

/*** *math.h - definitions and declarations for math library * * Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved. * *Purpose: * This file contains constant definitions and external subroutine * declarations for the math subroutine library. * [ANSI/System V] * * [Public] * ****/ #if _MSC_VER > 1000 #pragma once #endif #ifndef _INC_MATH #define _INC_MATH #if !defined(_WIN32) && !defined(_MAC) #error ERROR: Only Mac or Win32 targets supported! #endif #ifdef _MSC_VER /* * Currently, all MS C compilers for Win32 platforms default to 8 byte * alignment. */ #pragma pack(push,8) #endif /* _MSC_VER */ #ifdef __cplusplus extern "C" { #endif #ifndef __assembler /* Protect from assembler */ /* Define _CRTIMP */ #ifndef _CRTIMP #ifdef _DLL #define _CRTIMP __declspec(dllimport) #else /* ndef _DLL */ #define _CRTIMP #endif /* _DLL */ #endif /* _CRTIMP */ /* Define __cdecl for non-Microsoft compilers */ #if ( !defined(_MSC_VER) && !defined(__cdecl) ) #define __cdecl #endif /* Define _CRTAPI1 (for compatibility with the NT SDK) */ #ifndef _CRTAPI1 #if _MSC_VER >= 800 && _M_IX86 >= 300 #define _CRTAPI1 __cdecl #else #define _CRTAPI1 #endif #endif /* Definition of _exception struct - this struct is passed to the matherr * routine when a floating point exception is detected */ #ifndef _EXCEPTION_DEFINED struct _exception { int type; /* exception type - see below */ char *name; /* name of function where error occured */ double arg1; /* first argument to function */ double arg2; /* second argument (if any) to function */ double retval; /* value to be returned by function */ } ; #define _EXCEPTION_DEFINED #endif /* Definition of a _complex struct to be used by those who use cabs and * want type checking on their argument */ #ifndef _COMPLEX_DEFINED struct _complex { double x,y; /* real and imaginary parts */ } ; #if !__STDC__ && !defined (__cplusplus) /* Non-ANSI name for compatibility */ #define complex _complex #endif #define _COMPLEX_DEFINED #endif #endif /* __assembler */ /* Constant definitions for the exception type passed in the _exception struct */ #define _DOMAIN 1 /* argument domain error */ #define _SING 2 /* argument singularity */ #define _OVERFLOW 3 /* overflow range error */ #define _UNDERFLOW 4 /* underflow range error */ #define _TLOSS 5 /* total loss of precision */ #define _PLOSS 6 /* partial loss of precision */ #define EDOM 33 #define ERANGE 34 /* Definitions of _HUGE and HUGE_VAL - respectively the XENIX and ANSI names * for a value returned in case of error by a number of the floating point * math routines */ #ifndef __assembler /* Protect from assembler */ _CRTIMP extern double _HUGE; #endif /* __assembler */ #define HUGE_VAL _HUGE /* Function prototypes */ #if !defined(__assembler) /* Protect from assembler */ #if _M_MRX000 _CRTIMP int __cdecl abs(int); _CRTIMP double __cdecl acos(double); _CRTIMP double __cdecl asin(double); _CRTIMP double __cdecl atan(double); _CRTIMP double __cdecl atan2(double, double); _CRTIMP double __cdecl cos(double); _CRTIMP double __cdecl cosh(double); _CRTIMP double __cdecl exp(double); _CRTIMP double __cdecl fabs(double); _CRTIMP double __cdecl fmod(double, double); _CRTIMP long __cdecl labs(long); _CRTIMP double __cdecl log(double); _CRTIMP double __cdecl log10(double); _CRTIMP double __cdecl pow(double, double); _CRTIMP double __cdecl sin(double); _CRTIMP double __cdecl sinh(double); _CRTIMP double __cdecl tan(double); _CRTIMP double __cdecl tanh(double); _CRTIMP double __cdecl sqrt(double); #else int __cdecl abs(int); double __cdecl acos(double); double __cdecl asin(double); double __cdecl atan(double); double __cdecl atan2(double, double); double __cdecl cos(double); double __cdecl cosh(double); double __cdecl exp(double); double __cdecl fabs(double); double __cdecl fmod(double, double); long __cdecl labs(long); double __cdecl log(double); double __cdecl log10(double); double __cdecl pow(double, double); double __cdecl sin(double); double __cdecl sinh(double); double __cdecl tan(double); double __cdecl tanh(double); double __cdecl sqrt(double); #endif _CRTIMP double __cdecl atof(const char *); _CRTIMP double __cdecl _cabs(struct _complex); #if defined(_M_ALPHA) double __cdecl ceil(double); double __cdecl floor(double); #else _CRTIMP double __cdecl ceil(double); _CRTIMP double __cdecl floor(double); #endif _CRTIMP double __cdecl frexp(double, int *); _CRTIMP double __cdecl _hypot(double, double); _CRTIMP double __cdecl _j0(double); _CRTIMP double __cdecl _j1(double); _CRTIMP double __cdecl _jn(int, double); _CRTIMP double __cdecl ldexp(double, int); int __cdecl _matherr(struct _exception *); _CRTIMP double __cdecl modf(double, double *); _CRTIMP double __cdecl _y0(double); _CRTIMP double __cdecl _y1(double); _CRTIMP double __cdecl _yn(int, double); #if defined(_M_MRX000) /* MIPS fast prototypes for float */ /* ANSI C, 4.5 Mathematics */ /* 4.5.2 Trigonometric functions */ _CRTIMP float __cdecl acosf( float ); _CRTIMP float __cdecl asinf( float ); _CRTIMP float __cdecl atanf( float ); _CRTIMP float __cdecl atan2f( float , float ); _CRTIMP float __cdecl cosf( float ); _CRTIMP float __cdecl sinf( float ); _CRTIMP float __cdecl tanf( float ); /* 4.5.3 Hyperbolic functions */ _CRTIMP float __cdecl coshf( float ); _CRTIMP float __cdecl sinhf( float ); _CRTIMP float __cdecl tanhf( float ); /* 4.5.4 Exponential and logarithmic functions */ _CRTIMP float __cdecl expf( float ); _CRTIMP float __cdecl logf( float ); _CRTIMP float __cdecl log10f( float ); _CRTIMP float __cdecl modff( float , float* ); /* 4.5.5 Power functions */ _CRTIMP float __cdecl powf( float , float ); float __cdecl sqrtf( float ); /* 4.5.6 Nearest integer, absolute value, and remainder functions */ float __cdecl ceilf( float ); float __cdecl fabsf( float ); float __cdecl floorf( float ); _CRTIMP float __cdecl fmodf( float , float ); _CRTIMP float __cdecl hypotf(float, float); #endif /* _M_MRX000 */ #if defined(_M_ALPHA) /* ALPHA fast prototypes for float */ /* ANSI C, 4.5 Mathematics */ /* 4.5.2 Trigonometric functions */ float __cdecl acosf( float ); float __cdecl asinf( float ); float __cdecl atanf( float ); float __cdecl atan2f( float , float ); float __cdecl cosf( float ); float __cdecl sinf( float ); float __cdecl tanf( float ); /* 4.5.3 Hyperbolic functions */ float __cdecl coshf( float ); float __cdecl sinhf( float ); float __cdecl tanhf( float ); /* 4.5.4 Exponential and logarithmic functions */ float __cdecl expf( float ); float __cdecl logf( float ); float __cdecl log10f( float ); _CRTIMP float __cdecl modff( float , float* ); /* 4.5.5 Power functions */ float __cdecl powf( float , float ); float __cdecl sqrtf( float ); /* 4.5.6 Nearest integer, absolute value, and remainder functions */ float __cdecl ceilf( float ); float __cdecl fabsf( float ); float __cdecl floorf( float ); float __cdecl fmodf( float , float ); _CRTIMP float __cdecl _hypotf(float, float); #endif /* _M_ALPHA */ #if !defined(_M_M68K) /* Macr