113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/***
|
|
*math.h - definitions and declarations for math library
|
|
*
|
|
* Copyright (c) 1985-1988, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* This file contains constant definitions and external subroutine
|
|
* declarations for the math subroutine library.
|
|
* [ANSI/System V]
|
|
*
|
|
*******************************************************************************/
|
|
|
|
|
|
#ifndef NO_EXT_KEYS /* extensions enabled */
|
|
#define _CDECL cdecl
|
|
#else /* extensions not enabled */
|
|
#define _CDECL
|
|
#endif /* NO_EXT_KEYS */
|
|
|
|
|
|
/* definition of exception struct - this struct is passed to the matherr
|
|
* routine when a floating point exception is detected
|
|
*/
|
|
|
|
#ifndef _EXCEPTION_DEFINED
|
|
struct exception {
|
|
int type; /* exception type - see below */
|
|
char *name; /* name of function where error occured */
|
|
double arg1; /* first argument to function */
|
|
double arg2; /* second argument (if any) to function */
|
|
double retval; /* value to be returned by function */
|
|
} ;
|
|
#define _EXCEPTION_DEFINED
|
|
#endif
|
|
|
|
|
|
/* definition of a complex struct to be used by those who use cabs and
|
|
* want type checking on their argument
|
|
*/
|
|
|
|
#ifndef _COMPLEX_DEFINED
|
|
struct complex {
|
|
double x,y; /* real and imaginary parts */
|
|
} ;
|
|
#define _COMPLEX_DEFINED
|
|
#endif
|
|
|
|
|
|
/* Constant definitions for the exception type passed in the exception struct
|
|
*/
|
|
|
|
#define DOMAIN 1 /* argument domain error */
|
|
#define SING 2 /* argument singularity */
|
|
#define OVERFLOW 3 /* overflow range error */
|
|
#define UNDERFLOW 4 /* underflow range error */
|
|
#define TLOSS 5 /* total loss of precision */
|
|
#define PLOSS 6 /* partial loss of precision */
|
|
|
|
#define EDOM 33
|
|
#define ERANGE 34
|
|
|
|
|
|
/* definitions of HUGE and HUGE_VAL - respectively the XENIX and ANSI names
|
|
* for a value returned in case of error by a number of the floating point
|
|
* math routines
|
|
*/
|
|
|
|
extern double HUGE;
|
|
#define HUGE_VAL HUGE
|
|
|
|
|
|
|
|
/* function prototypes */
|
|
|
|
int _CDECL abs(int);
|
|
double _CDECL acos(double);
|
|
double _CDECL asin(double);
|
|
double _CDECL atan(double);
|
|
double _CDECL atan2(double, double);
|
|
double _CDECL atof(const char *);
|
|
double _CDECL cabs(struct complex);
|
|
double _CDECL ceil(double);
|
|
double _CDECL cos(double);
|
|
double _CDECL cosh(double);
|
|
int _CDECL dieeetomsbin(double *, double *);
|
|
int _CDECL dmsbintoieee(double *, double *);
|
|
double _CDECL exp(double);
|
|
double _CDECL fabs(double);
|
|
int _CDECL fieeetomsbin(float *, float *);
|
|
double _CDECL floor(double);
|
|
double _CDECL fmod(double, double);
|
|
int _CDECL fmsbintoieee(float *, float *);
|
|
double _CDECL frexp(double, int *);
|
|
double _CDECL hypot(double, double);
|
|
double _CDECL j0(double);
|
|
double _CDECL j1(double);
|
|
double _CDECL jn(int, double);
|
|
long _CDECL labs(long);
|
|
double _CDECL ldexp(double, int);
|
|
double _CDECL log(double);
|
|
double _CDECL log10(double);
|
|
int _CDECL matherr(struct exception *);
|
|
double _CDECL modf(double, double *);
|
|
double _CDECL pow(double, double);
|
|
double _CDECL sin(double);
|
|
double _CDECL sinh(double);
|
|
double _CDECL sqrt(double);
|
|
double _CDECL tan(double);
|
|
double _CDECL tanh(double);
|
|
double _CDECL y0(double);
|
|
double _CDECL y1(double);
|
|
double _CDECL yn(int, double);
|