windows-nt/Source/XPSP1/NT/base/mvdm/dos/v86/h/math.h

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2020-09-26 03:20:57 -05:00
/***
*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);