1/* $OpenBSD: ieeefp.h,v 1.3 2021/04/30 00:25:52 drahn Exp $ */ 2 3/* 4 * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995 5 * Public domain. 6 */ 7 8#ifndef _MACHINE_IEEEFP_H_ 9#define _MACHINE_IEEEFP_H_ 10 11typedef int fp_except; 12#define FP_X_INV 0x10 /* invalid operation exception */ 13#define FP_X_DZ 0x08 /* divide-by-zero exception */ 14#define FP_X_OFL 0x04 /* overflow exception */ 15#define FP_X_UFL 0x02 /* underflow exception */ 16#define FP_X_IMP 0x01 /* imprecise (loss of precision) */ 17 18typedef enum { 19 FP_RN=0, /* round to nearest representable number */ 20 FP_RZ=1, /* round to zero (truncate) */ 21 FP_RM=2, /* round toward negative infinity */ 22 FP_RP=3 /* round toward positive infinity */ 23} fp_rnd; 24 25#endif /* _MACHINE_IEEEFP_H_ */ 26