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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <cmath> | 5 #include <cmath> |
6 | 6 |
7 #include "include/v8stdint.h" | 7 #include "include/v8stdint.h" |
8 #include "src/base/logging.h" | 8 #include "src/base/logging.h" |
9 #include "src/utils.h" | 9 #include "src/utils.h" |
10 | 10 |
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25 case DTOA_PRECISION: return BIGNUM_DTOA_PRECISION; | 25 case DTOA_PRECISION: return BIGNUM_DTOA_PRECISION; |
26 default: | 26 default: |
27 UNREACHABLE(); | 27 UNREACHABLE(); |
28 return BIGNUM_DTOA_SHORTEST; // To silence compiler. | 28 return BIGNUM_DTOA_SHORTEST; // To silence compiler. |
29 } | 29 } |
30 } | 30 } |
31 | 31 |
32 | 32 |
33 void DoubleToAscii(double v, DtoaMode mode, int requested_digits, | 33 void DoubleToAscii(double v, DtoaMode mode, int requested_digits, |
34 Vector<char> buffer, int* sign, int* length, int* point) { | 34 Vector<char> buffer, int* sign, int* length, int* point) { |
35 ASSERT(!Double(v).IsSpecial()); | 35 DCHECK(!Double(v).IsSpecial()); |
36 ASSERT(mode == DTOA_SHORTEST || requested_digits >= 0); | 36 DCHECK(mode == DTOA_SHORTEST || requested_digits >= 0); |
37 | 37 |
38 if (Double(v).Sign() < 0) { | 38 if (Double(v).Sign() < 0) { |
39 *sign = 1; | 39 *sign = 1; |
40 v = -v; | 40 v = -v; |
41 } else { | 41 } else { |
42 *sign = 0; | 42 *sign = 0; |
43 } | 43 } |
44 | 44 |
45 if (v == 0) { | 45 if (v == 0) { |
46 buffer[0] = '0'; | 46 buffer[0] = '0'; |
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74 } | 74 } |
75 if (fast_worked) return; | 75 if (fast_worked) return; |
76 | 76 |
77 // If the fast dtoa didn't succeed use the slower bignum version. | 77 // If the fast dtoa didn't succeed use the slower bignum version. |
78 BignumDtoaMode bignum_mode = DtoaToBignumDtoaMode(mode); | 78 BignumDtoaMode bignum_mode = DtoaToBignumDtoaMode(mode); |
79 BignumDtoa(v, bignum_mode, requested_digits, buffer, length, point); | 79 BignumDtoa(v, bignum_mode, requested_digits, buffer, length, point); |
80 buffer[*length] = '\0'; | 80 buffer[*length] = '\0'; |
81 } | 81 } |
82 | 82 |
83 } } // namespace v8::internal | 83 } } // namespace v8::internal |
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