haiku/headers/cpp/cmath

187 lines
5.6 KiB
Plaintext
Raw Normal View History

// 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++"
// These are possible macros imported from C99-land.
#undef fpclassify
#undef isfinite
#undef isinf
#undef isnan
#undef isnormal
#undef signbit
#undef isgreater
#undef isgreaterequal
#undef isless
#undef islessequal
#undef islessgreater
#undef isunordered
namespace std
{
inline int fpclassify(float __x) { return __fpclassifyf(__x); }
inline int fpclassify(double __x) { return __fpclassify(__x); }
inline int fpclassify(long double __x) { return __fpclassifyl(__x); }
inline bool isfinite(float __x) { return __finitef(__x); }
inline bool isfinite(double __x) { return __finite(__x); }
inline bool isfinite(long double __x) { return __finitel(__x); }
inline bool isinf(float __x) { return __isinff(__x); }
inline bool isinf(double __x) { return __isinf(__x); }
inline bool isinf(long double __x) { return __isinfl(__x); }
inline bool isnan(float __x) { return __isnanf(__x); }
inline bool isnan(double __x) { return __isnan(__x); }
inline bool isnan(long double __x) { return __isnanl(__x); }
inline bool isnormal(float __x) { return __fpclassifyf(__x) == FP_NORMAL; }
inline bool isnormal(double __x) { return __fpclassify(__x) == FP_NORMAL; }
inline bool isnormal(long double __x) { return __fpclassifyl(__x) == FP_NORMAL; }
inline bool signbit(float __x) { return __signbitf(__x); }
inline bool signbit(double __x) { return __signbit(__x); }
inline bool signbit(long double __x) { return __signbitl(__x); }
#undef _wrap_expr_typeof
#define _wrap_expr_typeof(x, y, body) ({ \
__typeof(x) X = (x); \
__typeof(y) Y = (y); \
return (body);})
inline bool isgreater(float __x, float __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X > Y);
};
inline bool isgreater(double __x, double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X > Y);
};
inline bool isgreater(long double __x, long double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X > Y);
};
inline bool isgreaterequal(float __x, float __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X >= Y);
};
inline bool isgreaterequal(double __x, double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X >= Y);
};
inline bool isgreaterequal(long double __x, long double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X >= Y);
};
inline bool isless(float __x, float __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X < Y);
};
inline bool isless(double __x, double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X < Y);
};
inline bool isless(long double __x, long double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X < Y);
};
inline bool islessequal(float __x, float __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X <= Y);
};
inline bool islessequal(double __x, double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X <= Y);
};
inline bool islessequal(long double __x, long double __y) {
_wrap_expr_typeof(__x, __y, !isnan(X) && !isnan(Y) && X <= Y);
};
inline bool islessgeater(float __x, float __y) {
_wrap_expr_typeof(__x, __y, X < Y || Y < X);
};
inline bool islessgreater(double __x, double __y) {
_wrap_expr_typeof(__x, __y, X < Y || Y < X);
};
inline bool islessgreater(long double __x, long double __y) {
_wrap_expr_typeof(__x, __y, X < Y || Y < X);
};
inline bool isunordered(float __x, float __y) {
_wrap_expr_typeof(__x, __y, isnan(X) || isnan(Y));
};
inline bool isunordered(double __x, double __y) {
_wrap_expr_typeof(__x, __y, isnan(X) || isnan(Y));
};
inline bool isunordered(long double __x, long double __y) {
_wrap_expr_typeof(__x, __y, isnan(X) || isnan(Y));
};
#undef _wrap_expr_typeof
} // namespace
#endif