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_ 24