| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2010 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #ifndef DecimalNumber_h | 26 #ifndef DecimalNumber_h |
| 27 #define DecimalNumber_h | 27 #define DecimalNumber_h |
| 28 | 28 |
| 29 #include <math.h> | 29 #include <math.h> |
| 30 #include <wtf/dtoa.h> | 30 |
| 31 #include <wtf/MathExtras.h> | 31 #include "wtf/MathExtras.h" |
| 32 #include <wtf/text/WTFString.h> | 32 #include "wtf/WTFExport.h" |
| 33 #include "wtf/dtoa.h" |
| 34 #include "wtf/text/WTFString.h" |
| 33 | 35 |
| 34 namespace WTF { | 36 namespace WTF { |
| 35 | 37 |
| 36 enum RoundingSignificantFiguresType { RoundingSignificantFigures }; | 38 enum RoundingSignificantFiguresType { RoundingSignificantFigures }; |
| 37 enum RoundingDecimalPlacesType { RoundingDecimalPlaces }; | 39 enum RoundingDecimalPlacesType { RoundingDecimalPlaces }; |
| 38 | 40 |
| 39 class DecimalNumber { | 41 class WTF_EXPORT DecimalNumber { |
| 40 public: | 42 public: |
| 41 DecimalNumber(double d) | 43 DecimalNumber(double d) |
| 42 { | 44 { |
| 43 ASSERT(std::isfinite(d)); | 45 ASSERT(std::isfinite(d)); |
| 44 dtoa(m_significand, d, m_sign, m_exponent, m_precision); | 46 dtoa(m_significand, d, m_sign, m_exponent, m_precision); |
| 45 | 47 |
| 46 ASSERT(m_precision); | 48 ASSERT(m_precision); |
| 47 // Zero should always have exponent 0. | 49 // Zero should always have exponent 0. |
| 48 ASSERT(m_significand[0] != '0' || !m_exponent); | 50 ASSERT(m_significand[0] != '0' || !m_exponent); |
| 49 // No values other than zero should have a leading zero. | 51 // No values other than zero should have a leading zero. |
| (...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 99 unsigned m_precision; | 101 unsigned m_precision; |
| 100 }; | 102 }; |
| 101 | 103 |
| 102 } // namespace WTF | 104 } // namespace WTF |
| 103 | 105 |
| 104 using WTF::DecimalNumber; | 106 using WTF::DecimalNumber; |
| 105 using WTF::RoundingSignificantFigures; | 107 using WTF::RoundingSignificantFigures; |
| 106 using WTF::RoundingDecimalPlaces; | 108 using WTF::RoundingDecimalPlaces; |
| 107 | 109 |
| 108 #endif // DecimalNumber_h | 110 #endif // DecimalNumber_h |
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