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48c4b8be4b
Since we're no longer using fdlibm, it doesn't make sense to use fd_copysign as the name of SpiderMonkey's appropriately chosen version of copysign. js_copysign seems more appropriate.
70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* IBM Corp.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _LIBMATH_H
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#define _LIBMATH_H
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#include <math.h>
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#include "jsversion.h"
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/*
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* Use system provided math routines.
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*/
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/* The right copysign function is not always named the same thing. */
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#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
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#define js_copysign __builtin_copysign
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#elif defined WINCE
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#define js_copysign _copysign
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#elif defined _WIN32
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#if _MSC_VER < 1400
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/* Try to work around apparent _copysign bustage in VC6 and VC7. */
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#define js_copysign js_copysign
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extern double js_copysign(double, double);
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#else
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#define js_copysign _copysign
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#endif
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#else
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#define js_copysign copysign
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#endif
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#endif /* _LIBMATH_H */
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