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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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41 // There will be *length digits inside the buffer followed by a null terminator. | 41 // There will be *length digits inside the buffer followed by a null terminator. |
42 // If the function returns true then | 42 // If the function returns true then |
43 // v == (double) (buffer * 10^(point - length)). | 43 // v == (double) (buffer * 10^(point - length)). |
44 // The digits in the buffer are the shortest representation possible: no | 44 // The digits in the buffer are the shortest representation possible: no |
45 // 0.099999999999 instead of 0.1. | 45 // 0.099999999999 instead of 0.1. |
46 // The last digit will be closest to the actual v. That is, even if several | 46 // The last digit will be closest to the actual v. That is, even if several |
47 // digits might correctly yield 'v' when read again, the buffer will contain the | 47 // digits might correctly yield 'v' when read again, the buffer will contain the |
48 // one closest to v. | 48 // one closest to v. |
49 // The variable 'sign' will be '0' if the given number is positive, and '1' | 49 // The variable 'sign' will be '0' if the given number is positive, and '1' |
50 // otherwise. | 50 // otherwise. |
51 bool FastDtoa(double d, char* buffer, int* sign, int* length, int* point); | 51 bool FastDtoa(double d, |
| 52 Vector<char> buffer, |
| 53 int* sign, |
| 54 int* length, |
| 55 int* point); |
52 | 56 |
53 } } // namespace v8::internal | 57 } } // namespace v8::internal |
54 | 58 |
55 #endif // V8_FAST_DTOA_H_ | 59 #endif // V8_FAST_DTOA_H_ |
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