#ifndef _MATH_H
#define _MATH_H

#include <sys/types.h>

#if FLT_EVAL_METHOD == 1
typedef double float_t;
typedef double double_t;
#elseif FLT_EVAL_METHOD == 2
typedef long double float_t;
typedef long double double_t;
#else
typedef float float_t;
typedef double double_t;
#endif

#define M_E 2.718281828
#define M_PI 3.14159265
#define PI 3.14159265
#define M_PI_2 1.5707963268
#define M_PI_4 0.7853981634
#define M_1_PI 0.318309886184
#define M_2_PI 0.636619772368
#define M_2_SQRTPI 1.1283791671
#define M_SQRT2 1.41421856237
#define M_SQRT1_2 0.707106781187
#define M_LOG2E 1.44269504089
#define M_LOG10E 0.4342944819
#define M_LN2 0.69314718056
#define M_LN10 2.302585093

double acos(double);
float acosf(float);
long double acosl(long double);

double asin(double);
float asinf(float);
long double asinl(long double);

double atan(double);
float atanf(float);
long double atanl(long double);

double atan2(double);
float atan2f(float);
long double atan2l(long double);

double cos(double);
float cosf(float);
long double cosl(long double);

double sin(double);
float sinf(float);
long double sinl(long double);

double tan(double);
float tanf(float);
long double tanl(long double);

double acosh(double);
float acoshf(float);
long double acoshl(long double);

double asinh(double);
float asinhf(float);
long double asinhl(long double);

double atanh(double);
float atanhf(float);
long double atanhl(long double);

double cosh(double);
float coshf(float);
long double coshl(long double);

double sinh(double);
float sinhf(float);
long double sinhl(long double);

double tanh(double);
float tanhf(float);
long double tanhl(long double);

double exp(double);
float expf(float);
long double expl(double);

double exp2(double);
float exp2f(float);
long double exp2l(double);

double expm1(double);
float expm1f(float);
long double expm1l(double);

double frexp(double, int *);
float frexpf(float, int *);
long double frexpl(double, int *);



#endif