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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 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 | 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, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 * | 18 * |
19 */ | 19 */ |
20 | 20 |
21 #include "config.h" | 21 #include "config.h" |
22 #include "core/html/forms/StepRange.h" | 22 #include "core/html/forms/StepRange.h" |
23 | 23 |
24 #include "HTMLNames.h" | 24 #include "core/HTMLNames.h" |
25 #include "core/html/parser/HTMLParserIdioms.h" | 25 #include "core/html/parser/HTMLParserIdioms.h" |
26 #include "wtf/MathExtras.h" | 26 #include "wtf/MathExtras.h" |
27 #include "wtf/text/WTFString.h" | 27 #include "wtf/text/WTFString.h" |
28 #include <float.h> | 28 #include <float.h> |
29 | 29 |
30 namespace WebCore { | 30 namespace WebCore { |
31 | 31 |
32 using namespace HTMLNames; | 32 using namespace HTMLNames; |
33 | 33 |
34 StepRange::StepRange() | 34 StepRange::StepRange() |
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159 // ... that number subtracted from the step base is not an integral multiple | 159 // ... that number subtracted from the step base is not an integral multiple |
160 // of the allowed value step, the element is suffering from a step mismatch. | 160 // of the allowed value step, the element is suffering from a step mismatch. |
161 const Decimal remainder = (value - m_step * (value / m_step).round()).abs(); | 161 const Decimal remainder = (value - m_step * (value / m_step).round()).abs(); |
162 // Accepts errors in lower fractional part which IEEE 754 single-precision | 162 // Accepts errors in lower fractional part which IEEE 754 single-precision |
163 // can't represent. | 163 // can't represent. |
164 const Decimal computedAcceptableError = acceptableError(); | 164 const Decimal computedAcceptableError = acceptableError(); |
165 return computedAcceptableError < remainder && remainder < (m_step - computed
AcceptableError); | 165 return computedAcceptableError < remainder && remainder < (m_step - computed
AcceptableError); |
166 } | 166 } |
167 | 167 |
168 } // namespace WebCore | 168 } // namespace WebCore |
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