cntrlfp.c File Reference

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

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Defines
#define	X87_CW_IM   (1<<0) /* Invalid operation mask */
#define	X87_CW_DM   (1<<1) /* Denormal operand mask */
#define	X87_CW_ZM   (1<<2) /* Zero divide mask */
#define	X87_CW_OM   (1<<3) /* Overflow mask */
#define	X87_CW_UM   (1<<4) /* Underflow mask */
#define	X87_CW_PM   (1<<5) /* Precision mask */
#define	X87_CW_PC_MASK   (3<<8) /* precision control mask */
#define	X87_CW_PC24   (0<<8) /* 24 bit precision */
#define	X87_CW_PC53   (2<<8) /* 53 bit precision */
#define	X87_CW_PC64   (3<<8) /* 64 bit precision */
#define	X87_CW_RC_MASK   (3<<10) /* rounding control mask */
#define	X87_CW_RC_NEAREST   (0<<10) /* round to nearest */
#define	X87_CW_RC_DOWN   (1<<10) /* round down */
#define	X87_CW_RC_UP   (2<<10) /* round up */
#define	X87_CW_RC_ZERO   (3<<10) /* round toward zero (chop) */
#define	X87_CW_IC   (1<<12) /* infinity control flag */
Functions
unsigned int CDECL	_controlfp (unsigned int newval, unsigned int mask)
unsigned int CDECL	_control87 (unsigned int newval, unsigned int mask)
int CDECL	_controlfp_s (unsigned int *cur, unsigned int newval, unsigned int mask)