1 /* $OpenBSD: ieeefp.h,v 1.2 1999/01/27 04:46:05 imp Exp $ */ 2 3 /*- 4 * Written by J.T. Conklin, Apr 11, 1995 5 * Public domain. 6 * 7 * JNPR: ieeefp.h,v 1.1 2006/08/07 05:38:57 katta 8 * $FreeBSD$ 9 */ 10 11 #ifndef _MACHINE_IEEEFP_H_ 12 #define _MACHINE_IEEEFP_H_ 13 14 /* Deprecated historical FPU control interface */ 15 16 typedef int fp_except; 17 typedef int fp_except_t; 18 19 #define FP_X_IMP 0x01 /* imprecise (loss of precision) */ 20 #define FP_X_UFL 0x02 /* underflow exception */ 21 #define FP_X_OFL 0x04 /* overflow exception */ 22 #define FP_X_DZ 0x08 /* divide-by-zero exception */ 23 #define FP_X_INV 0x10 /* invalid operation exception */ 24 25 typedef enum { 26 FP_RN=0, /* round to nearest representable number */ 27 FP_RZ=1, /* round to zero (truncate) */ 28 FP_RP=2, /* round toward positive infinity */ 29 FP_RM=3 /* round toward negative infinity */ 30 } fp_rnd; 31 32 typedef fp_rnd fp_rnd_t; 33 34 #endif /* !_MACHINE_IEEEFP_H_ */ 35