cmath

STL完整源码,实现STL文件的读写和三维体的重建及其分析

// The -*- C++ -*- math functions header.
// This file is part of the GNU ANSI C++ Library.

#ifndef __CMATH__
#define __CMATH__
#include <_G_config.h>
#include <math.h>

#ifdef __GNUG__
#pragma interface "cmath"
#endif

extern "C++" {
#if 0
float acos (float);
float asin (float);
float atan (float);
float atan2(float, float);
float ceil (float);
float cos  (float);
float cosh (float);
float exp  (float);
float fabs (float);
float floor(float);
float fmod (float, float);
float frexp(float, int*);
float modf (float, float*);
float ldexp(float, int);
float log  (float);
float log10(float);
float pow  (float, float);
float pow  (float, int);
float sin  (float);
float sinh (float);
float sqrt (float);
float tan  (float);
float tanh (float);
#endif

inline float  abs (float  x) { return fabs (x); }
#if ! _G_MATH_H_INLINES /* hpux and SCO define this in math.h */
inline double abs (double x) { return fabs (x); }
#endif

#if 0
double pow(double, int);

long double acos (long double);
long double asin (long double);
long double atan (long double);
long double atan2(long double, long double);
long double ceil (long double);
long double cos  (long double);
long double cosh (long double);
long double exp  (long double);
long double fabs (long double);
long double floor(long double);
long double frexp(long double, int*);
long double fmod (long double, long double);
long double frexp(long double, int*);
long double log  (long double);
long double log10(long double);
long double modf (long double, long double*);
long double pow  (long double, long double);
long double pow  (long double, int);
long double sin  (long double);
long double sinh (long double);
long double sqrt (long double);
long double tan  (long double);
long double tanh (long double);
#endif
inline long double abs (long double x) { return fabs (x); }

} // extern "C++"

#endif