merr.c

来自「C语言库函数的原型,有用的拿去」· C语言 代码 · 共 40 行

/***
*merr.c - floating point exception handling
*
*       Copyright (c) Microsoft Corporation.    All rights reserved.
*
*Purpose:
*
*******************************************************************************/

#ifdef MRTDLL
#undef MRTDLL
#endif  /* MRTDLL */

#include <internal.h>
#include <math.h>

/*
 * Define flag signifying the default _matherr routine is being used.
 */
int __defaultmatherr = 1;

/***
*int _matherr(struct _exception *pexcept) - handle math errors
*
*Purpose:
*   Permits the user customize fp error handling by redefining this function.
*
*   The default matherr does nothing and returns 0
*
*Entry:
*
*Exit:
*
*Exceptions:
*******************************************************************************/
int __CRTDECL _matherr (struct _exception *pexcept)
{
    return 0;
}