08d098e082
Review URL: http://codereview.chromium.org/147141 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2268 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
/*
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* Copyright 2007-2008 the V8 project authors. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* Dtoa needs to have a particular environment set up for it so
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* instead of using it directly you should use this file.
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*
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* The way it works is that when you link with it, its definitions
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* of dtoa, strtod etc. override the default ones. So if you fail
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* to link with this library everything will still work, it's just
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* subtly wrong.
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*/
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#if !(defined(__APPLE__) && defined(__MACH__)) && \
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!defined(WIN32) && !defined(__FreeBSD__)
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#include <endian.h>
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#endif
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#include <math.h>
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#include <float.h>
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/* The floating point word order on ARM is big endian when floating point
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* emulation is used, even if the byte order is little endian */
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#if !(defined(__APPLE__) && defined(__MACH__)) && !defined(WIN32) && \
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!defined(__FreeBSD__) && __FLOAT_WORD_ORDER == __BIG_ENDIAN
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#define IEEE_MC68k
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#else
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#define IEEE_8087
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#endif
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#define __MATH_H__
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#if defined(__APPLE__) && defined(__MACH__) || defined(__FreeBSD__)
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/* stdlib.h on FreeBSD and Apple's 10.5 and later SDKs will mangle the
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* name of strtod. If it's included after strtod is redefined as
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* gay_strtod, it will mangle the name of gay_strtod, which is
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* unwanted. */
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#include <stdlib.h>
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#endif
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/* stdlib.h on Windows adds __declspec(dllimport) to all functions when using
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* the DLL version of the CRT (compiling with /MD or /MDd). If stdlib.h is
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* included after strtod is redefined as gay_strtod, it will add
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* __declspec(dllimport) to gay_strtod, which causes the compilation of
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* gay_strtod in dtoa.c to fail.
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*/
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#if defined(WIN32) && defined(_DLL)
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#include "stdlib.h"
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#endif
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/* For MinGW, turn on __NO_ISOCEXT so that its strtod doesn't get added */
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#ifdef __MINGW32__
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#define __NO_ISOCEXT
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#endif /* __MINGW32__ */
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/* On 64-bit systems, we need to make sure that a Long is only 32 bits. */
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#ifdef V8_TARGET_ARCH_X64
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#define Long int
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#endif /* V8_TARGET_ARCH_X64 */
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/* Make sure we use the David M. Gay version of strtod(). On Linux, we
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* cannot use the same name (maybe the function does not have weak
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* linkage?). */
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#define strtod gay_strtod
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#include "third_party/dtoa/dtoa.c"
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