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/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_RANDOM_H_
#define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_RANDOM_H_
#include "webrtc/typedefs.h"
#include "webrtc/base/constructormagic.h"
namespace webrtc {
class Random {
public:
explicit Random(uint32_t seed);
// Return pseudo-random number in the interval [0.0, 1.0].
float Rand();
// Normal Distribution.
int Gaussian(int mean, int standard_deviation);
// TODO(solenberg): Random from histogram.
// template<typename T> int Distribution(const std::vector<T> histogram) {
private:
uint32_t a_;
uint32_t b_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(Random);
};
} // namespace webrtc
#endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_RANDOM_H_