Cheetah - SKA - PSS - Prototype Time Domain Search Pipeline
cheetah
utils
ConvolvePlan.h
1
/*
2
* The MIT License (MIT)
3
*
4
* Copyright (c) 2016 The SKA organisation
5
*
6
* Permission is hereby granted, free of charge, to any person obtaining a copy
7
* of this software and associated documentation files (the "Software"), to deal
8
* in the Software without restriction, including without limitation the rights
9
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
* copies of the Software, and to permit persons to whom the Software is
11
* furnished to do so, subject to the following conditions:
12
*
13
* The above copyright notice and this permission notice shall be included in all
14
* copies or substantial portions of the Software.
15
*
16
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22
* SOFTWARE.
23
*/
24
#ifndef SKA_CHEETAH_UTILS_CONVOLVEPLAN_H
25
#define SKA_CHEETAH_UTILS_CONVOLVEPLAN_H
26
27
#include "cheetah/utils/Fftw3.h"
28
#include <cstddef>
29
#include <new>
30
31
namespace
ska
{
32
namespace
cheetah {
33
namespace
utils {
34
39
class
ConvolvePlan
40
{
41
public
:
47
ConvolvePlan
(std::size_t npts,
float
* a,
float
* b,
float
* output);
48
~
ConvolvePlan
();
49
54
void
convolve
();
55
56
private
:
57
float
* _a;
58
float
* _b;
59
float
* _output;
60
std::size_t _npts;
61
fftwf_complex* _c;
62
fftwf_complex* _d;
63
fftwf_plan _fwda;
64
fftwf_plan _fwdb;
65
fftwf_plan _bwd;
66
float
_scale;
67
};
68
69
70
}
// namespace utils
71
}
// namespace cheetah
72
}
// namespace ska
73
74
#endif // SKA_CHEETAH_UTILS_CONVOLVEPLAN_H
ska
Some limits and constants for FLDO.
Definition:
Brdz.h:35
ska::cheetah::utils::ConvolvePlan
Perform a convolution using fft methods.
Definition:
ConvolvePlan.h:39
ska::cheetah::utils::ConvolvePlan::ConvolvePlan
ConvolvePlan(std::size_t npts, float *a, float *b, float *output)
fast convolution of two data sets a and b of length npts output = a * b
Definition:
ConvolvePlan.cpp:32
ska::cheetah::utils::ConvolvePlan::convolve
void convolve()
Definition:
ConvolvePlan.cpp:78
Generated on Mon May 30 2022 15:36:04 for Cheetah - SKA - PSS - Prototype Time Domain Search Pipeline by
1.8.13