| Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef BASE_FLOAT_UTIL_H_ |
| 6 | #define BASE_FLOAT_UTIL_H_ |
| 7 | |
| 8 | #include "build/build_config.h" |
| 9 | |
| 10 | #include <float.h> |
| Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 11 | |
| 12 | #include <cmath> |
| Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 13 | |
| 14 | namespace base { |
| 15 | |
| Ben Murdoch | ca12bfa | 2013-07-23 11:17:05 +0100 | [diff] [blame] | 16 | template <typename Float> |
| 17 | inline bool IsFinite(const Float& number) { |
| Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 18 | #if defined(OS_POSIX) |
| 19 | return std::isfinite(number) != 0; |
| Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 20 | #elif defined(OS_WIN) |
| 21 | return _finite(number) != 0; |
| 22 | #endif |
| 23 | } |
| 24 | |
| Ben Murdoch | ca12bfa | 2013-07-23 11:17:05 +0100 | [diff] [blame] | 25 | template <typename Float> |
| 26 | inline bool IsNaN(const Float& number) { |
| 27 | #if defined(OS_POSIX) |
| 28 | return std::isnan(number) != 0; |
| 29 | #elif defined(OS_WIN) |
| 30 | return _isnan(number) != 0; |
| 31 | #endif |
| 32 | } |
| 33 | |
| Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 34 | } // namespace base |
| 35 | |
| 36 | #endif // BASE_FLOAT_UTIL_H_ |