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sozobon1
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math.h
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C/C++ Source or Header
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1993-10-23
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947b
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39 lines
/*
* MATH.H Math function declarations
*/
#ifndef MATH_H
#define MATH_H
extern float sin(), cos(), tan();
extern float asin(), acos(), atan(), atan2();
extern float exp(), sinh(), cosh(), tanh();
extern float log(), log10(), pow();
extern float sqrt();
extern float ceil(), floor(), fabs();
extern float ldexp(), frexp(), modf(), fmod();
extern float atof();
/* Some useful constants, generally to 8-9 digits */
#define M_E 2.71828183
#define M_LOG2E 1.44269504
#define M_LOG10E 0.43429448
#define M_LN2 0.69314718
#define M_LN10 2.30258509
#define M_PI 3.14159265
#define M_PI_2 1.570796327
#define M_PI_4 0.785398163
#define M_1_PI 0.318309886
#define M_2_PI 0.636619772
#define M_2_SQRTPI 1.128379167
#define M_SQRT2 1.41421356
#define M_SQRT1_2 0.70710678
/* This is what the compiler should turn into 0xFFFFFF7F... */
#define MAXFLOAT ((float)9.2233715e+18)
#define HUGE MAXFLOAT
#define _ABS(x) ((x) < 0 ? -(x) : (x))
#endif MATH_H