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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium 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 #ifndef PDFIUM_THIRD_PARTY_BASE_SAFE_CONVERSIONS_IMPL_H_ | 5 #ifndef PDFIUM_THIRD_PARTY_BASE_SAFE_CONVERSIONS_IMPL_H_ |
6 #define PDFIUM_THIRD_PARTY_BASE_SAFE_CONVERSIONS_IMPL_H_ | 6 #define PDFIUM_THIRD_PARTY_BASE_SAFE_CONVERSIONS_IMPL_H_ |
7 | 7 |
8 #include <assert.h> | 8 #include <assert.h> |
9 #include <limits> | 9 #include <limits> |
10 | 10 |
11 #include "../macros.h" | 11 #include "third_party/base/macros.h" |
12 #include "../template_util.h" | 12 #include "third_party/base/template_util.h" |
13 | 13 |
14 namespace pdfium { | 14 namespace pdfium { |
15 namespace base { | 15 namespace base { |
16 namespace internal { | 16 namespace internal { |
17 | 17 |
18 // The std library doesn't provide a binary max_exponent for integers, however | 18 // The std library doesn't provide a binary max_exponent for integers, however |
19 // we can compute one by adding one to the number of non-sign bits. This allows | 19 // we can compute one by adding one to the number of non-sign bits. This allows |
20 // for accurate range comparisons between floating point and integer types. | 20 // for accurate range comparisons between floating point and integer types. |
21 template <typename NumericType> | 21 template <typename NumericType> |
22 struct MaxExponent { | 22 struct MaxExponent { |
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210 COMPILE_ASSERT(std::numeric_limits<Dst>::is_specialized, | 210 COMPILE_ASSERT(std::numeric_limits<Dst>::is_specialized, |
211 result_must_be_numeric); | 211 result_must_be_numeric); |
212 return DstRangeRelationToSrcRangeImpl<Dst, Src>::Check(value); | 212 return DstRangeRelationToSrcRangeImpl<Dst, Src>::Check(value); |
213 } | 213 } |
214 | 214 |
215 } // namespace internal | 215 } // namespace internal |
216 } // namespace base | 216 } // namespace base |
217 } // namespace pdfium | 217 } // namespace pdfium |
218 | 218 |
219 #endif // PDFIUM_THIRD_PARTY_BASE_SAFE_CONVERSIONS_IMPL_H_ | 219 #endif // PDFIUM_THIRD_PARTY_BASE_SAFE_CONVERSIONS_IMPL_H_ |
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