1 // Copyright (c) 2006-2008 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 #pragma once 8 9 #include "build/build_config.h" 10 11 #include <float.h> 12 #include <math.h> 13 14 #if defined(OS_SOLARIS) 15 #include <ieeefp.h> 16 #endif 17 18 namespace base { 19 IsFinite(const double & number)20inline bool IsFinite(const double& number) { 21 #if defined(OS_POSIX) 22 return finite(number) != 0; 23 #elif defined(OS_WIN) 24 return _finite(number) != 0; 25 #endif 26 } 27 28 } // namespace base 29 30 #endif // BASE_FLOAT_UTIL_H_ 31