www.pudn.com > CAN_USB.rar > MATH.H
/*****************************************************
math.h - ANSI-C library: mathematical functions
----------------------------------------------------
Copyright (c) Metrowerks, Basel, Switzerland
All rights reserved
Do not modify!
*****************************************************/
#ifndef _H_MATH_
#define _H_MATH_
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __NO_MATH_PROTOTYPES__
/*****************************************************************************/
/* near functions */
/*****************************************************************************/
#include "non_bank.sgm"
extern double NEAR frexp (double x,int *exp);
/* Split x into mantissa (return value) and exponent. The mantissa always is in the
interval 0.5 > m <= 1.0, except if x == 0.0: in this case, m = 0.0 and the expon-
ent exp = 0. */
extern double NEAR ldexp (double x, int exp);
/* Calculate x * (2**exp) */
extern double NEAR modf (double x, double *int_part);
/* Split x into integral and fractional part (return value). */
extern float NEAR frexpf (float x,int *exp);
/* Split x into mantissa (return value) and exponent. The mantissa always is in the
interval 0.5 > m <= 1.0, except if x == 0.0: in this case, m = 0.0 and the expon-
ent exp = 0. */
extern float NEAR ldexpf (float x, int exp);
/* Calculate x * (2**exp) */
extern float NEAR modff (float x, float *int_part);
/* Split x into integral and fractional part (return value). */
/*****************************************************************************/
/* far functions */
/*****************************************************************************/
#include "default.sgm"
#endif
#ifndef __DOUBLE_IS_DSP__
#include
#define HUGE_VAL infinity.f
#define HUGE_VALF infinityf.f
#else
#define HUGE_VAL 0.9999695E+9863
#define HUGE_VALF 0.9999695E+9863
#endif
/* Constants */
#define _M_PI 3.14159265358979323846 /* pi */
#define _M_1PI 0.31830988618379067154 /* 1 / pi */
#define _M_2PI 6.28318530717958647692 /* 2 * pi */
#define _M_PI2 1.57079632679489661923 /* pi / 2 */
#define _M_S1_2 0.70710678118654752440 /* sqrt (0.5) */
#define _M_LOGE 0.43429448190325182765 /* log10 (e) */
#define _M_EPS 1.053671213e-8
#define _M_EXP_MAX 709.7877
#ifndef __NO_MATH_PROTOTYPES__
/**** Trigonometric functions */
extern double cos (double x);
extern double cosh (double x);
extern double sin (double x);
extern double sinh (double x);
extern double tan (double x);
extern double tanh (double x);
/**** Inverse trigonometric functions */
extern double asin(double x);
extern double acos(double x);
extern double atan (double x);
extern double atan2 (double y,double x); /* atan (y/x) */
/**** Exponential and logarithmic functions */
extern double log10 (double x); /* logarithm of base 10 */
extern double exp (double x); /* e**x */
extern double log (double x); /* natural logarithm (base e) */
/**** Square root */
extern double pow (double x, double y); /* x**y */
extern double sqrt (double x);
/**** Other functions */
extern double ceil (double x); /* smallest integral number >= x */
extern double floor (double x); /* largest integral number <= x */
extern double fabs (double x); /* absolute value of x */
extern double fmod (double x, double y);
/* doubleing point remainder */
/**** System internal functions */
extern double sincos (double,int,int);
extern double sncsh (double,int);
extern double sqrt_r (double);
extern double pow_i (double, int);
extern double exp_r (double);
extern double log_r (double);
/*****************************************************************************/
/* float routines */
/*****************************************************************************/
/**** Trigonometric functions */
extern float cosf (float x);
extern float coshf (float x);
extern float sinf (float x);
extern float sinhf (float x);
extern float tanf (float x);
extern float tanhf (float x);
/**** Inverse trigonometric functions */
extern float asinf(float x);
extern float acosf(float x);
extern float atanf (float x);
extern float atan2f (float y,float x); /* atan (y/x) */
/**** Exponential and logarithmic functions */
extern float log10f (float x); /* logarithm of base 10 */
extern float expf (float x); /* e**x */
extern float logf (float x); /* natural logarithm (base e) */
/**** Square root */
extern float powf (float x, float y); /* x**y */
extern float sqrtf (float x);
/**** Other functions */
extern float ceilf (float x); /* smallest integral number >= x */
extern float floorf (float x); /* largest integral number <= x */
extern float fabsf (float x); /* absolute value of x */
extern float fmodf (float x, float y);
/* floating point remainder */
/**** System internal functions */
extern float sincosf (float,int,int);
extern float sncshf (float,int);
extern float sqrtf_r (float);
extern float powf_i (float, int);
extern float expf_r (float);
extern float logf_r (float);
#endif __NO_MATH_PROTOTYPES__
#ifdef __cplusplus
}
#endif
#endif
/*****************************************************/
/* end math.h */