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freebsd/sys/alpha/include/ieeefp.h
Doug Rabson b7f762137a Implement fpsetmask() and other fp*() functions. Programs should use
#include <ieeefp.h>

to access these functions instead of the i386 specific

	#include <machine/floatingpoint.h>

Submitted by: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
1998-12-23 11:50:52 +00:00

30 lines
890 B
C

/* $Id: ieeefp.h,v 1.1.1.1 1998/03/09 05:43:16 jb Exp $ */
/* From: NetBSD: ieeefp.h,v 1.2 1997/04/06 08:47:28 cgd Exp */
/*
* Written by J.T. Conklin, Apr 28, 1995
* Public domain.
*/
#ifndef _ALPHA_IEEEFP_H_
#define _ALPHA_IEEEFP_H_
typedef int fp_except;
#define FP_X_INV (1LL << 1) /* invalid operation exception */
#define FP_X_DZ (1LL << 2) /* divide-by-zero exception */
#define FP_X_OFL (1LL << 3) /* overflow exception */
#define FP_X_UFL (1LL << 4) /* underflow exception */
#define FP_X_IMP (1LL << 5) /* imprecise(inexact) exception */
#if 0
#define FP_X_IOV (1LL << 6) /* integer overflow XXX? */
#endif
typedef enum {
FP_RZ=0, /* round to zero (truncate) */
FP_RM=1, /* round toward negative infinity */
FP_RN=2, /* round to nearest representable number */
FP_RP=3 /* round toward positive infinity */
} fp_rnd;
#endif /* _ALPHA_IEEEFP_H_ */