base/rand_util.h

   1 // Copyright (c) 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_RAND_UTIL_H_
   6 #define BASE_RAND_UTIL_H_
   7
   8 #include "base/basictypes.h"
   9
  10 namespace base {
  11
  12 // Returns a random number in range [0, kuint64max]. Thread-safe.
  13 uint64 RandUint64();
  14
  15 // Returns a random number between min and max (inclusive). Thread-safe.
  16 int RandInt(int min, int max);
  17
  18 // Returns a random double in range [0, 1). Thread-safe.
  19 double RandDouble();
  20
  21 }  // namespace base
  22
  23 #endif  // BASE_RAND_UTIL_H_