1 /* $NetBSD: fenv.h,v 1.2 2015/01/13 11:15:29 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef _HPPA_FENV_H_ 31 #define _HPPA_FENV_H_ 32 33 #include <sys/stdint.h> 34 35 typedef unsigned fenv_t; 36 typedef unsigned fexcept_t; 37 38 #define FE_INEXACT 0x01 /* imprecise (loss of precision) */ 39 #define FE_UNDERFLOW 0x02 /* underflow exception */ 40 #define FE_OVERFLOW 0x04 /* overflow exception */ 41 #define FE_DIVBYZERO 0x08 /* divide-by-zero exception */ 42 #define FE_INVALID 0x10 /* invalid operation exception */ 43 44 #define FE_ALL_EXCEPT 0x1f 45 46 #define FE_TONEAREST (0) /* round to nearest representable number */ 47 #define FE_TOWARDZERO (1<<9) /* round to zero (truncate) */ 48 #define FE_UPWARD (2<<9) /* round toward positive infinity */ 49 #define FE_DOWNWARD (3<<9) /* round toward negative infinity */ 50 51 52 __BEGIN_DECLS 53 54 /* Default floating-point environment */ 55 extern const fenv_t __fe_dfl_env; 56 #define FE_DFL_ENV (&__fe_dfl_env) 57 58 __END_DECLS 59 60 #endif /* !_HPPA_FENV_H_ */ 61