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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/JavaScriptCore/wtf/dtoa.h
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
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+/*
+ * 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