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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
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2 // Use of this source code is governed by a BSD-style license that can be |
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3 // found in the LICENSE file. |
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4 |
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5 #ifndef BASE_FLOAT_UTIL_H_ |
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6 #define BASE_FLOAT_UTIL_H_ |
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7 |
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8 #include "build/build_config.h" |
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9 |
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10 #include <float.h> |
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11 |
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12 #include <cmath> |
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13 |
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14 namespace base { |
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15 |
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16 template <typename Float> |
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17 inline bool IsFinite(const Float& number) { |
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18 #if defined(OS_POSIX) |
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19 return std::isfinite(number) != 0; |
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20 #elif defined(OS_WIN) |
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21 return _finite(number) != 0; |
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22 #endif |
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23 } |
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24 |
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25 template <typename Float> |
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26 inline bool IsNaN(const Float& number) { |
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27 #if defined(OS_POSIX) |
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28 return std::isnan(number) != 0; |
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29 #elif defined(OS_WIN) |
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30 return _isnan(number) != 0; |
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31 #endif |
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32 } |
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33 |
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34 } // namespace base |
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35 |
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36 #endif // BASE_FLOAT_UTIL_H_ |