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math.h
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1998-10-29
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/* MATH.H
Mathematical Definition Includes
Copyright (c) Borland International 1990
All Rights Reserved.
*/
#if !defined( __MATH )
#define __MATH
#define HUGE_VAL 1.189731495357231765E+4932
#define M_E 2.71828182845904523536
#define M_LOG2E 1.44269504088896340736
#define M_LOG10E 0.434294481903251827651
#define M_LN2 0.693147180559945309417
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.785398163397448309116
#define M_1_PI 0.318309886183790671538
#define M_2_PI 0.636619772367581343076
#define M_1_SQRTPI 0.564189583547756286948
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT_2 0.707106781186547524401
double fabs( double x );
double ceil( double x );
double floor( double x );
double round( double x );
double trunc( double x );
double fmod( double x, double y );
double exp( double x );
double log( double x );
double log10( double x );
double frexp( double x, int *nptr );
double ldexp( double x, int n );
double modf( double x, double *nptr );
double pow( double x, double y );
double pow10( int i );
double sqrt( double x );
double cos( double x );
double sin( double x );
double tan( double x );
void sincos( double x, double *sin, double *cos );
double acos( double x );
double asin( double x );
double atan( double x );
double atan2( double x, double y );
double cosh( double x );
double sinh( double x );
double tanh( double x );
double acosh( double x );
double asinh( double x );
double atanh( double x );
int ftoa( double *x, char *resStr, int ndig, int format,
int *decPnt, int *sign );
double atof( const char *digStr );
typedef enum
{
DOMAIN = 1, /* argument domain error -- log (-1) */
SING, /* argument singularity -- pow (0,-2)) */
OVERFLOW, /* overflow range error -- exp (1000) */
UNDERFLOW /* underflow range error -- exp (-1000) */
} mexcep;
struct exception
{
mexcep type;
char *name;
double arg1;
double arg2;
double retval;
};
void setmatherr( int (*errorfunc)( struct exception *e ) );
int fpumode( int disable );
void xdcnv( double *val, void *rep8bytes );
void dxcnv( void *rep8bytes, double *val );
#if defined( __68881__ )
double fint( double x );
double fintrz( double x );
double fgetexp( double x );
double fgetman( double x );
double frem( double x, double y );
double fsgldiv( double x, double y );
double fsglmul( double x, double y );
double fetoxm1( double x );
double flognp1( double x );
double pow2( double x );
#endif
#if defined( __68881__ ) && !defined( __NFPUIN__ )
/* MC68881 extensions */
/* Arithmetische Befehle: */
#define trunc( x ) __FINTRZ__( x )
#define fabs( x ) __FABS__( x )
#define fgetexp( x ) __FGETEXP__( x )
#define fgetman( x ) __FGETMAN__( x )
#define fint( x ) __FINT__( x )
#define fintrz( x ) __FINTRZ__( x )
#define fmod( x, y ) __FMOD__( y, x )
#define frem( x, y ) __FREM__( y, x )
#define ldexp( x, y ) __FSCALE__( y, x )
#define fsgldiv( x, y ) __FSGLDIV__( y, x )
#define fsglmul( x, y ) __FSGLMUL__( y, x )
/* Potenzen und Logarithmen: */
#define exp( x ) __FETOX__( x )
#define fetoxm1( x ) __FETOXM1__( x )
#define log( x ) __FLOGN__( x )
#define flognp1( x ) __FLOGNP1__( x )
#define log10( x ) __FLOG10__( x )
#define log2( x ) __FLOG2__( x )
#define sqrt( x ) __FSQRT__( x )
#define pow10( x ) __FTENTOX__( x )
#define pow2( x ) __FTWOTOX__( x )
/* Trigonometrie: */
#define acos( x ) __FACOS__( x )
#define asin( x ) __FASIN__( x )
#define atan( x ) __FATAN__( x )
#define cos( x ) __FCOS__( x )
#define sin( x ) __FSIN__( x )
#define tan( x ) __FTAN__( x )
/* Hyperbelfunktionen: */
#define atanh( x ) __FATANH__( x )
#define cosh( x ) __FCOSH__( x )
#define sinh( x ) __FSINH__( x )
#define tanh( x ) __FTANH__( x )
/* Conversionsfunktionen nur für TC881LIB.LIB */
double x80x96cnv( void *rep10bytes );
void x96x80cnv( double rep12bytes, void *rep10bytes );
#endif
#endif
/************************************************************************/
ə