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Diffstat (limited to 'Source/JavaScriptCore/wtf/dtoa.h')
-rw-r--r-- | Source/JavaScriptCore/wtf/dtoa.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/wtf/dtoa.h b/Source/JavaScriptCore/wtf/dtoa.h new file mode 100644 index 0000000..3924a1c --- /dev/null +++ b/Source/JavaScriptCore/wtf/dtoa.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2003, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef WTF_dtoa_h +#define WTF_dtoa_h + +#include <wtf/unicode/Unicode.h> + +namespace WTF { +class Mutex; + +extern WTF::Mutex* s_dtoaP5Mutex; + +// s00: input string. Must not be 0 and must be terminated by 0. +// se: *se will have the last consumed character position + 1. +double strtod(const char* s00, char** se); + +typedef char DtoaBuffer[80]; + +void dtoa(DtoaBuffer result, double dd, bool& sign, int& exponent, unsigned& precision); +void dtoaRoundSF(DtoaBuffer result, double dd, int ndigits, bool& sign, int& exponent, unsigned& precision); +void dtoaRoundDP(DtoaBuffer result, double dd, int ndigits, bool& sign, int& exponent, unsigned& precision); + +// Size = 80 for sizeof(DtoaBuffer) + some sign bits, decimal point, 'e', exponent digits. +const unsigned NumberToStringBufferLength = 96; +typedef UChar NumberToStringBuffer[NumberToStringBufferLength]; +unsigned numberToString(double, NumberToStringBuffer); + +} // namespace WTF + +using WTF::NumberToStringBuffer; +using WTF::numberToString; + +#endif // WTF_dtoa_h |