Fourier, Cosine, Hadamard, Walsh-Hadamard, and 2D Hadamard transforms - source file. More...
#include <itpp/config.h>
#include <itpp/signal/transforms.h>
Go to the source code of this file.
Namespaces | |
namespace | itpp |
\ | |
Functions | |
void | itpp::fft (const cvec &in, cvec &out) |
Fast Fourier Transform. | |
void | itpp::ifft (const cvec &in, cvec &out) |
Inverse Fast Fourier Transform. | |
void | itpp::fft_real (const vec &in, cvec &out) |
Real Fast Fourier Transform. | |
void | itpp::ifft_real (const cvec &in, vec &out) |
Inverse Real Fast Fourier Transform. Assumes even size. | |
void | itpp::dct (const vec &in, vec &out) |
Discrete Cosine Transform (DCT) | |
void | itpp::idct (const vec &in, vec &out) |
Inverse Discrete Cosine Transform (IDCT) | |
cvec | itpp::fft (const cvec &in) |
Fast Fourier Transform. | |
cvec | itpp::fft (const cvec &in, const int N) |
Fast Fourier Transform, with zero-padding up to size N. | |
cvec | itpp::ifft (const cvec &in) |
Inverse Fast Fourier Transform. | |
cvec | itpp::ifft (const cvec &in, const int N) |
Inverse Fast Fourier Transform, with zero-padding up to size N. | |
cvec | itpp::fft_real (const vec &in) |
Real Fast Fourier Transform. | |
cvec | itpp::fft_real (const vec &in, const int N) |
Real Fast Fourier Transform, with zero-padding up to size N. | |
vec | itpp::ifft_real (const cvec &in) |
Inverse Real Fast Fourier Transform. Assumes even size. | |
vec | itpp::ifft_real (const cvec &in, const int N) |
Inverse Real Fast Fourier Transform, with zero-padding up to size N. | |
vec | itpp::dct (const vec &in) |
Discrete Cosine Transform (DCT) | |
vec | itpp::idct (const vec &in) |
Inverse Discrete Cosine Transform (IDCT) | |
template vec | itpp::dht (const vec &v) |
template cvec | itpp::dht (const cvec &v) |
template void | itpp::dht (const vec &vin, vec &vout) |
template void | itpp::dht (const cvec &vin, cvec &vout) |
template void | itpp::self_dht (vec &v) |
template void | itpp::self_dht (cvec &v) |
template vec | itpp::dwht (const vec &v) |
template cvec | itpp::dwht (const cvec &v) |
template void | itpp::dwht (const vec &vin, vec &vout) |
template void | itpp::dwht (const cvec &vin, cvec &vout) |
template void | itpp::self_dwht (vec &v) |
template void | itpp::self_dwht (cvec &v) |
template mat | itpp::dht2 (const mat &m) |
template cmat | itpp::dht2 (const cmat &m) |
template mat | itpp::dwht2 (const mat &m) |
template cmat | itpp::dwht2 (const cmat &m) |
Fourier, Cosine, Hadamard, Walsh-Hadamard, and 2D Hadamard transforms - source file.
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IT++ - C++ library of mathematical, signal processing, speech processing, and communications classes and functions
Copyright (C) 1995-2008 (see AUTHORS file for a list of contributors)
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Definition in file transforms.cpp.
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