1139825Simp/* - 296499Sbenno * Written by J.T. Conklin, Apr 6, 1995 396499Sbenno * Public domain. 496499Sbenno * $NetBSD: ieeefp.h,v 1.2 1999/07/07 01:52:26 danw Exp $ 596499Sbenno * $FreeBSD: releng/10.2/sys/powerpc/include/ieeefp.h 226607 2011-10-21 06:41:46Z das $ 696499Sbenno */ 796499Sbenno 896499Sbenno#ifndef _MACHINE_IEEEFP_H_ 996499Sbenno#define _MACHINE_IEEEFP_H_ 1096499Sbenno 11226607Sdas/* Deprecated historical FPU control interface */ 12226607Sdas 1396499Sbennotypedef int fp_except_t; 1496499Sbenno#define FP_X_IMP 0x01 /* imprecise (loss of precision) */ 1596499Sbenno#define FP_X_DZ 0x02 /* divide-by-zero exception */ 1696499Sbenno#define FP_X_UFL 0x04 /* underflow exception */ 1796499Sbenno#define FP_X_OFL 0x08 /* overflow exception */ 1896499Sbenno#define FP_X_INV 0x10 /* invalid operation exception */ 1996499Sbenno 2096499Sbennotypedef enum { 2196499Sbenno FP_RN=0, /* round to nearest representable number */ 2296499Sbenno FP_RZ=1, /* round to zero (truncate) */ 2396499Sbenno FP_RP=2, /* round toward positive infinity */ 2496499Sbenno FP_RM=3 /* round toward negative infinity */ 2596499Sbenno} fp_rnd_t; 2696499Sbenno 27226607Sdas__BEGIN_DECLS 28226607Sdasextern fp_rnd_t fpgetround(void); 29226607Sdasextern fp_rnd_t fpsetround(fp_rnd_t); 30226607Sdasextern fp_except_t fpgetmask(void); 31226607Sdasextern fp_except_t fpsetmask(fp_except_t); 32226607Sdasextern fp_except_t fpgetsticky(void); 33226607Sdas__END_DECLS 34226607Sdas 3596499Sbenno#endif /* _MACHINE_IEEEFP_H_ */ 36