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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "platform/Decimal.h" | 31 #include "platform/Decimal.h" |
32 | 32 |
33 #include "platform/wtf/Allocator.h" | 33 #include "platform/wtf/Allocator.h" |
34 #include "platform/wtf/MathExtras.h" | 34 #include "platform/wtf/MathExtras.h" |
35 #include "platform/wtf/Noncopyable.h" | 35 #include "platform/wtf/Noncopyable.h" |
36 #include "platform/wtf/text/StringBuilder.h" | 36 #include "platform/wtf/text/StringBuilder.h" |
37 | 37 |
| 38 #include <float.h> |
38 #include <algorithm> | 39 #include <algorithm> |
39 #include <float.h> | |
40 | 40 |
41 namespace blink { | 41 namespace blink { |
42 | 42 |
43 namespace DecimalPrivate { | 43 namespace DecimalPrivate { |
44 | 44 |
45 static int const kExponentMax = 1023; | 45 static int const kExponentMax = 1023; |
46 static int const kExponentMin = -1023; | 46 static int const kExponentMin = -1023; |
47 static int const kPrecision = 18; | 47 static int const kPrecision = 18; |
48 | 48 |
49 static const uint64_t kMaxCoefficient = | 49 static const uint64_t kMaxCoefficient = |
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1001 Decimal::EncodedData data = decimal.Value(); | 1001 Decimal::EncodedData data = decimal.Value(); |
1002 return ostream << "encode(" | 1002 return ostream << "encode(" |
1003 << String::Number(data.Coefficient()).Ascii().data() << ", " | 1003 << String::Number(data.Coefficient()).Ascii().data() << ", " |
1004 << String::Number(data.Exponent()).Ascii().data() << ", " | 1004 << String::Number(data.Exponent()).Ascii().data() << ", " |
1005 << (data.GetSign() == Decimal::kNegative ? "Negative" | 1005 << (data.GetSign() == Decimal::kNegative ? "Negative" |
1006 : "Positive") | 1006 : "Positive") |
1007 << ")=" << decimal.ToString().Ascii().data(); | 1007 << ")=" << decimal.ToString().Ascii().data(); |
1008 } | 1008 } |
1009 | 1009 |
1010 } // namespace blink | 1010 } // namespace blink |
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