float-rand.h
1.05 KB
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
#ifndef PARTICLES_FLOAT_RAND_H_
#define PARTICLES_FLOAT_RAND_H_
/*
* Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <random>
struct FloatRand
{
std::random_device mDevice;
std::mt19937 mMersenneTwister;
std::uniform_real_distribution<float> mDistribution;
FloatRand()
: mMersenneTwister(mDevice()),
mDistribution(0., 1.)
{
}
float operator()()
{
return mDistribution(mMersenneTwister);
}
};
#endif //PARTICLES_FLOAT_RAND_H_