
BUG=76996 TEST=none Review URL: http://codereview.chromium.org/6729002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79303 0039d316-1c4b-4281-b951-d872f2087c98
33 lines
988 B
C++
33 lines
988 B
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_RAND_UTIL_H_
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#define BASE_RAND_UTIL_H_
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#pragma once
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#include "base/base_api.h"
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#include "base/basictypes.h"
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namespace base {
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// Returns a random number in range [0, kuint64max]. Thread-safe.
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BASE_API uint64 RandUint64();
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// Returns a random number between min and max (inclusive). Thread-safe.
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BASE_API int RandInt(int min, int max);
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// Returns a random number in range [0, max). Thread-safe.
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//
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// Note that this can be used as an adapter for std::random_shuffle():
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// Given a pre-populated |std::vector<int> myvector|, shuffle it as
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// std::random_shuffle(myvector.begin(), myvector.end(), base::RandGenerator);
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BASE_API uint64 RandGenerator(uint64 max);
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// Returns a random double in range [0, 1). Thread-safe.
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BASE_API double RandDouble();
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} // namespace base
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#endif // BASE_RAND_UTIL_H_
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