| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_FLOAT_UTIL_H_ |
| #define BASE_FLOAT_UTIL_H_ |
| |
| #include "build/build_config.h" |
| |
| #include <float.h> |
| |
| #include <cmath> |
| |
| namespace base { |
| |
| template <typename Float> |
| inline bool IsFinite(const Float& number) { |
| #if defined(OS_POSIX) |
| return std::isfinite(number) != 0; |
| #elif defined(OS_WIN) |
| return _finite(number) != 0; |
| #endif |
| } |
| |
| template <typename Float> |
| inline bool IsNaN(const Float& number) { |
| #if defined(OS_POSIX) |
| return std::isnan(number) != 0; |
| #elif defined(OS_WIN) |
| return _isnan(number) != 0; |
| #endif |
| } |
| |
| } // namespace base |
| |
| #endif // BASE_FLOAT_UTIL_H_ |