blob: 5cc54f212970c8269cf2093c199ef6be55fb4a45 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* 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_TEST_RANDOM_H_
#define WEBRTC_TEST_RANDOM_H_
#include "webrtc/typedefs.h"
#include "webrtc/base/constructormagic.h"
namespace webrtc {
namespace test {
class Random {
public:
explicit Random(uint32_t seed);
// Return pseudo-random number in the interval [0.0, 1.0).
float Rand();
// Return pseudo-random number mapped to the interval [low, high].
int Rand(int low, int high);
// Normal Distribution.
int Gaussian(int mean, int standard_deviation);
// Exponential Distribution.
int Exponential(float lambda);
// 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 test
} // namespace webrtc
#endif // WEBRTC_TEST_RANDOM_H_
|
