_controlfp_s.c File Reference

#include <precomp.h>
#include <float.h>

Include dependency graph for _controlfp_s.c:

Go to the source code of this file.

Macros
#define	INVALID_MASK   ~(_MCW_EM | _MCW_IC | _MCW_RC | _MCW_PC | _MCW_DN)

Functions
int CDECL	_controlfp_s (unsigned int *cur, unsigned int newval, unsigned int mask)

Macro Definition Documentation

INVALID_MASK

#define INVALID_MASK   ~(_MCW_EM | _MCW_IC | _MCW_RC | _MCW_PC | _MCW_DN)

Definition at line 16 of file _controlfp_s.c.

Function Documentation

_controlfp_s()

int CDECL _controlfp_s	(	unsigned int *	cur,
		unsigned int	newval,
		unsigned int	mask
	)

Definition at line 19 of file _controlfp_s.c.

{
    unsigned int val;
 
    if (!MSVCRT_CHECK_PMT((newval & mask & INVALID_MASK) == 0))
    {
        if (cur) *cur = _controlfp(0, 0);  /* retrieve it anyway */
        return EINVAL;
    }
    val = _controlfp(newval, mask);
    if (cur) *cur = val;
    return 0;
}

Referenced by __acrt_fltout(), anonymous_namespace{cfout.cpp}::fp_control_word_guard::fp_control_word_guard(), START_TEST(), and anonymous_namespace{cfout.cpp}::fp_control_word_guard::~fp_control_word_guard().