1/*
2 *  Copyright (C) 2003, 2008 Apple Inc. All rights reserved.
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Library General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 *  Library General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Library General Public License
15 *  along with this library; see the file COPYING.LIB.  If not, write to
16 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 *  Boston, MA 02110-1301, USA.
18 *
19 */
20
21#ifndef WTF_dtoa_h
22#define WTF_dtoa_h
23
24#include <wtf/unicode/Unicode.h>
25
26namespace WTF {
27class Mutex;
28
29extern WTF::Mutex* s_dtoaP5Mutex;
30
31// s00: input string. Must not be 0 and must be terminated by 0.
32// se: *se will have the last consumed character position + 1.
33double strtod(const char* s00, char** se);
34
35typedef char DtoaBuffer[80];
36
37void dtoa(DtoaBuffer result, double dd, bool& sign, int& exponent, unsigned& precision);
38void dtoaRoundSF(DtoaBuffer result, double dd, int ndigits, bool& sign, int& exponent, unsigned& precision);
39void dtoaRoundDP(DtoaBuffer result, double dd, int ndigits, bool& sign, int& exponent, unsigned& precision);
40
41// Size = 80 for sizeof(DtoaBuffer) + some sign bits, decimal point, 'e', exponent digits.
42const unsigned NumberToStringBufferLength = 96;
43typedef UChar NumberToStringBuffer[NumberToStringBufferLength];
44unsigned numberToString(double, NumberToStringBuffer);
45
46} // namespace WTF
47
48using WTF::NumberToStringBuffer;
49using WTF::numberToString;
50
51#endif // WTF_dtoa_h
52