ieeefp.h revision 85973
1/*- 2 * Copyright (c) 2001 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/ia64/include/ieeefp.h 85973 2001-11-03 15:51:14Z dfr $ 27 */ 28 29#ifndef _MACHINE_IEEEFP_H_ 30#define _MACHINE_IEEEFP_H_ 31 32#include <machine/fpu.h> 33 34typedef int fp_except_t; 35#define FP_X_INV IA64_FPSR_TRAP_VD /* invalid operation exception */ 36#define FP_X_DZ IA64_FPSR_TRAP_ZD /* divide-by-zero exception */ 37#define FP_X_OFL IA64_FPSR_TRAP_OD /* overflow exception */ 38#define FP_X_UFL IA64_FPSR_TRAP_UD /* underflow exception */ 39#define FP_X_IMP IA64_FPSR_TRAP_ID /* imprecise(inexact) exception */ 40#if 0 41#define FP_X_IOV 0 /* integer overflow XXX? */ 42#endif 43 44typedef enum { 45 FP_RZ=0, /* round to zero (truncate) */ 46 FP_RM=1, /* round toward negative infinity */ 47 FP_RN=2, /* round to nearest representable number */ 48 FP_RP=3 /* round toward positive infinity */ 49} fp_rnd_t; 50 51#endif /* _ALPHA_IEEEFP_H_ */ 52