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91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SEISCOMP_MATH_FFT_H
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#define SEISCOMP_MATH_FFT_H
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#include <complex>
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#include <vector>
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#include <seiscomp/core/typedarray.h>
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#include <seiscomp/math/math.h>
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namespace Seiscomp {
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namespace Math {
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typedef std::complex<double> Complex;
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typedef std::vector<Math::Complex> ComplexArray;
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template <typename T>
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void fft(ComplexArray &spec, int n, const T *data);
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template <typename T>
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void fft(ComplexArray &spec, const std::vector<T> &data) {
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fft(spec, static_cast<int>(data.size()), &data[0]);
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}
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template <typename T>
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void fft(ComplexArray &spec, const TypedArray<T> &data) {
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fft(spec, data.impl());
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}
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template <typename T>
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void fft(Seiscomp::ComplexDoubleArray &spec, const TypedArray<T> &data) {
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fft(spec.impl(), data.impl());
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}
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inline void fft(Seiscomp::ComplexDoubleArray &spec, const DoubleArray &data) {
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fft(spec.impl(), data.impl());
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}
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template <typename T>
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void ifft(int n, T *out, ComplexArray &spec);
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template <typename T>
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void ifft(std::vector<T> &out, ComplexArray &spec) {
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ifft(static_cast<int>(out.size()), &out[0], spec);
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}
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template <typename T>
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void ifft(TypedArray<T> &out, ComplexArray &spec) {
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ifft(out.impl(), &out[0], spec);
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}
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template <typename T>
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void ifft(TypedArray<T> &out, Seiscomp::ComplexDoubleArray &spec) {
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ifft(out.impl(), &out[0], spec.impl());
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}
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inline void ifft(DoubleArray &out, Seiscomp::ComplexDoubleArray &spec) {
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ifft(out.impl(), spec.impl());
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}
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}
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}
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#endif
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