Alexandria
2.19
Please provide a description of the project.
Main Page
Related Pages
Namespaces
Classes
Files
File List
File Members
All
Classes
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Friends
Macros
Groups
Pages
SOM
SOM
InitFunc.h
Go to the documentation of this file.
1
/*
2
* Copyright (C) 2012-2021 Euclid Science Ground Segment
3
*
4
* This library is free software; you can redistribute it and/or modify it under
5
* the terms of the GNU Lesser General Public License as published by the Free
6
* Software Foundation; either version 3.0 of the License, or (at your option)
7
* any later version.
8
*
9
* This library is distributed in the hope that it will be useful, but WITHOUT
10
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12
* details.
13
*
14
* You should have received a copy of the GNU Lesser General Public License
15
* along with this library; if not, write to the Free Software Foundation, Inc.,
16
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
*/
18
19
/*
20
* @file InitFunc.h
21
* @author nikoapos
22
*/
23
24
#ifndef SOM_INITFUNC_H
25
#define SOM_INITFUNC_H
26
27
#include <functional>
28
#include <random>
29
#include <vector>
30
31
namespace
Euclid {
32
namespace
SOM {
33
34
namespace
InitFunc {
35
36
using
Signature
=
std::function<double()>
;
37
38
Signature
zero
= []() {
return
0; };
39
40
Signature
normalDistribution
(
double
sigma,
double
mu) {
41
std::random_device
rd;
42
std::mt19937
gen(rd());
43
std::normal_distribution<>
d(mu, sigma);
44
return
[gen, d]()
mutable
{
return
d(gen); };
45
}
46
47
Signature
uniformRandom
(
double
min,
double
max) {
48
std::uniform_real_distribution<double>
unif(min, max);
49
std::default_random_engine
re;
50
return
[unif, re]()
mutable
{
return
unif(re); };
51
}
52
53
}
// namespace InitFunc
54
55
}
// namespace SOM
56
}
// namespace Euclid
57
58
#endif
/* SOM_INITFUNC_H */
std::function
std::normal_distribution
std::uniform_real_distribution
Euclid::SOM::InitFunc::uniformRandom
Signature uniformRandom(double min, double max)
Definition:
InitFunc.h:47
Euclid::SOM::InitFunc::zero
Signature zero
Definition:
InitFunc.h:38
Euclid::SOM::InitFunc::normalDistribution
Signature normalDistribution(double sigma, double mu)
Definition:
InitFunc.h:40
std::default_random_engine
std::random_device
std::mt19937
Generated by
1.8.5