[seiscomp, scanloc] Install, add .gitignore

include/seiscomp/math/restitution/fft.h

@@ -0,0 +1,76 @@
+/***************************************************************************
+ * Copyright (C) gempa GmbH                                                *
+ * All rights reserved.                                                    *
+ * Contact: gempa GmbH (seiscomp-dev@gempa.de)                             *
+ *                                                                         *
+ * GNU Affero General Public License Usage                                 *
+ * This file may be used under the terms of the GNU Affero                 *
+ * Public License version 3.0 as published by the Free Software Foundation *
+ * and appearing in the file LICENSE included in the packaging of this     *
+ * file. Please review the following information to ensure the GNU Affero  *
+ * Public License version 3.0 requirements will be met:                    *
+ * https://www.gnu.org/licenses/agpl-3.0.html.                             *
+ *                                                                         *
+ * Other Usage                                                             *
+ * Alternatively, this file may be used in accordance with the terms and   *
+ * conditions contained in a signed written agreement between you and      *
+ * gempa GmbH.                                                             *
+ ***************************************************************************/
+
+
+
+#ifndef SEISCOMP_MATH_RESTITUTION_FFT_H
+#define SEISCOMP_MATH_RESTITUTION_FFT_H
+
+
+#include <complex>
+#include <vector>
+#include <seiscomp/math/math.h>
+#include <seiscomp/math/restitution/types.h>
+#include <seiscomp/math/restitution/transferfunction.h>
+
+
+namespace Seiscomp {
+namespace Math {
+namespace Restitution {
+
+
+// Transforms a time series into the spectra, deconvolves it with the
+// transfer function and transforms the spectra back into the time series.
+// The spectra is tapered before min_freq and after max_freq. min_freq or
+// max_freq has to be greater than 0 otherwise the tapering on the
+// corresponding end is disabled.
+template <typename T>
+bool transformFFT(int n, T *inout, double fsamp, const FFT::TransferFunction *tf,
+                  double cutoff, double min_freq, double max_freq);
+
+template <typename T>
+bool transformFFT(std::vector<T> &inout, double fsamp, const FFT::TransferFunction *tf,
+                  double cutoff, double min_freq, double max_freq) {
+	return transformFFT(inout.size(), &inout[0], fsamp, tf, cutoff, min_freq, max_freq);
+}
+
+
+template <typename T>
+bool transformFFT(int n, T *inout, double fsamp, int n_poles, SeismometerResponse::Pole *poles,
+                  int n_zeros, SeismometerResponse::Zero *zeros, double norm,
+                  double cutoff, double min_freq, double max_freq) {
+	FFT::PolesAndZeros paz(n_poles, poles, n_zeros, zeros, norm);
+	return transformFFT(n, inout, fsamp, &paz, cutoff, min_freq, max_freq);
+}
+
+template <typename T>
+bool transformFFT(std::vector<T> &inout, double fsamp, const Poles &poles,
+                  const Zeros &zeros, double norm, double cutoff,
+                  double min_freq, double max_freq) {
+	return transformFFT(inout.size(), &inout[0], poles.size(), &poles[0],
+	                    zeros.size(), &zeros[0], norm, cutoff, min_freq, max_freq);
+}
+
+
+}
+}
+}
+
+
+#endif