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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 <stdarg.h> | 5 #include <stdarg.h> |
6 #include <limits.h> | 6 #include <limits.h> |
7 #include <cmath> | 7 #include <cmath> |
8 | 8 |
9 #include "../include/v8stdint.h" | 9 #include "include/v8stdint.h" |
10 #include "globals.h" | 10 #include "src/globals.h" |
11 #include "checks.h" | 11 #include "src/checks.h" |
12 #include "cached-powers.h" | 12 #include "src/cached-powers.h" |
13 | 13 |
14 namespace v8 { | 14 namespace v8 { |
15 namespace internal { | 15 namespace internal { |
16 | 16 |
17 struct CachedPower { | 17 struct CachedPower { |
18 uint64_t significand; | 18 uint64_t significand; |
19 int16_t binary_exponent; | 19 int16_t binary_exponent; |
20 int16_t decimal_exponent; | 20 int16_t decimal_exponent; |
21 }; | 21 }; |
22 | 22 |
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150 int index = | 150 int index = |
151 (requested_exponent + kCachedPowersOffset) / kDecimalExponentDistance; | 151 (requested_exponent + kCachedPowersOffset) / kDecimalExponentDistance; |
152 CachedPower cached_power = kCachedPowers[index]; | 152 CachedPower cached_power = kCachedPowers[index]; |
153 *power = DiyFp(cached_power.significand, cached_power.binary_exponent); | 153 *power = DiyFp(cached_power.significand, cached_power.binary_exponent); |
154 *found_exponent = cached_power.decimal_exponent; | 154 *found_exponent = cached_power.decimal_exponent; |
155 ASSERT(*found_exponent <= requested_exponent); | 155 ASSERT(*found_exponent <= requested_exponent); |
156 ASSERT(requested_exponent < *found_exponent + kDecimalExponentDistance); | 156 ASSERT(requested_exponent < *found_exponent + kDecimalExponentDistance); |
157 } | 157 } |
158 | 158 |
159 } } // namespace v8::internal | 159 } } // namespace v8::internal |
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