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/* -
* Written by J.T. Conklin, Apr 6, 1995
* Public domain.
* $NetBSD: ieeefp.h,v 1.2 1999/07/07 01:52:26 danw Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_IEEEFP_H_
#define _MACHINE_IEEEFP_H_
/* Deprecated historical FPU control interface */
typedef int fp_except_t;
#define FP_X_IMP 0x01 /* imprecise (loss of precision) */
#define FP_X_DZ 0x02 /* divide-by-zero exception */
#define FP_X_UFL 0x04 /* underflow exception */
#define FP_X_OFL 0x08 /* overflow exception */
#define FP_X_INV 0x10 /* invalid operation exception */
typedef enum {
FP_RN=0, /* round to nearest representable number */
FP_RZ=1, /* round to zero (truncate) */
FP_RP=2, /* round toward positive infinity */
FP_RM=3 /* round toward negative infinity */
} fp_rnd_t;
__BEGIN_DECLS
extern fp_rnd_t fpgetround(void);
extern fp_rnd_t fpsetround(fp_rnd_t);
extern fp_except_t fpgetmask(void);
extern fp_except_t fpsetmask(fp_except_t);
extern fp_except_t fpgetsticky(void);
__END_DECLS
#endif /* _MACHINE_IEEEFP_H_ */
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