StdLib/Include/Ipf/machine/ieeefp.h

   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: src/sys/ia64/include/ieeefp.h,v 1.5.10.1.4.1 2010/06/14 02:09:06 kensmith Exp $
  27  */
  28
  29 #ifndef _MACHINE_IEEEFP_H_
  30 #define _MACHINE_IEEEFP_H_
  31
  32 #include <machine/fpu.h>
  33
  34 typedef 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
  41 typedef enum {
  42         FP_RN = 0,              /* round to nearest */
  43         FP_RM,                  /* round toward minus infinity */
  44         FP_RP,                  /* round toward plus infinity */
  45         FP_RZ                   /* round toward zero */
  46 } fp_rnd_t;
  47
  48 #endif /* !_MACHINE_IEEEFP_H_ */