base/float_util.h

   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
  20 inline 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_