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Diffstat (limited to 'sal/inc/sal/mathconf.h')
| -rw-r--r-- | sal/inc/sal/mathconf.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/sal/inc/sal/mathconf.h b/sal/inc/sal/mathconf.h deleted file mode 100644 index fefd213e3684..000000000000 --- a/sal/inc/sal/mathconf.h +++ /dev/null @@ -1,156 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -#ifndef INCLUDED_SAL_MATHCONF_H -#define INCLUDED_SAL_MATHCONF_H - -#include "osl/endian.h" - -#include <float.h> - -#if defined SOLARIS -#include <ieeefp.h> -#endif /* SOLARIS */ - -#if defined(__cplusplus) && ( defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L ) -#include <cmath> -#endif - -#if defined(IOS) -#if defined(__cplusplus) -#include <cmath> -#else -#include <math.h> -#endif -#endif - -#if defined __cplusplus -extern "C" { -#endif /* __cplusplus */ - - -/* Generally, the C standard guarantees that at program startup, "trapping or - stopping (if supported) is disabled on all [floating-point] exceptions" - (F.7.3/1 of the August 3, 1998 draft of C99), and that during program - execution, "a programmer can safely assume default modes (or be unaware of - them)" (7.6/2, footnote 161 of the August 3, 1998 draft of C99). Reportedly, - on Windows there are printer drivers that switch on exceptions. To avoid - problems, the SAL_MATH_FPEXCEPTIONS_OFF macro can be used to explicitly - switch off exceptions (on Windows). - */ -#if defined WNT -#define SAL_MATH_FPEXCEPTIONS_OFF() _control87( _MCW_EM, _MCW_EM ) -#else /* WNT */ -#define SAL_MATH_FPEXCEPTIONS_OFF() -#endif /* WNT */ - - -/* SAL_MATH_FINITE(d): test double d on INFINITY, NaN et al. */ -#if !defined SOLARIS && !defined ANDROID \ - && defined(__cplusplus) \ - && ( defined(__GXX_EXPERIMENTAL_CXX0X__) \ - || __cplusplus >= 201103L \ - || defined(IOS) ) -#define SAL_MATH_FINITE(d) std::isfinite(d) -#elif defined( IOS ) -#define SAL_MATH_FINITE(d) isfinite(d) -#elif defined( WNT) -#define SAL_MATH_FINITE(d) _finite(d) -#elif defined LINUX || defined UNX -#define SAL_MATH_FINITE(d) finite(d) -#else /* WNT, LINUX, UNX */ -#error "SAL_MATH_FINITE not defined" -#endif /* WNT, LINUX, UNX */ - - -/* This needs to be fixed for non--IEEE-754 platforms: */ -#if 1 /* IEEE 754 supported */ -#if defined OSL_BIGENDIAN - -/* IEEE 754 double structures for BigEndian */ -union sal_math_Double -{ - struct - { - unsigned sign : 1; - unsigned exponent :11; - unsigned fraction_hi :20; - unsigned fraction_lo :32; - } inf_parts; - struct - { - unsigned sign : 1; - unsigned exponent :11; - unsigned qnan_bit : 1; - unsigned bits :19; - unsigned fraction_lo :32; - } nan_parts; - struct - { - unsigned msw :32; - unsigned lsw :32; - } w32_parts; - double value; -}; - -#elif defined OSL_LITENDIAN - -/* IEEE 754 double structures for LittleEndian */ -union sal_math_Double -{ - struct { - unsigned fraction_lo :32; - unsigned fraction_hi :20; - unsigned exponent :11; - unsigned sign : 1; - } inf_parts; - struct { - unsigned fraction_lo :32; - unsigned bits :19; - unsigned qnan_bit : 1; - unsigned exponent :11; - unsigned sign : 1; - } nan_parts; - struct - { - unsigned lsw :32; - unsigned msw :32; - } w32_parts; - double value; -}; - -#else /* OSL_BIGENDIAN, OSL_LITENDIAN */ - -#error "neither OSL_BIGENDIAN nor OSL_LITENDIAN" - -#endif /* OSL_BIGENDIAN, OSL_LITENDIAN */ -#else /* IEEE 754 supported */ - -#error "don't know how to handle IEEE 754" - -#endif /* IEEE 754 supported */ - - -#if defined __cplusplus -} -#endif /* __cplusplus */ - -#endif /* INCLUDED_SAL_MATHCONF_H */ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |