[seiscomp, scanloc] Install, add .gitignore

include/seiscomp/math/restitution/td.h

@@ -0,0 +1,117 @@
+/***************************************************************************
+ * 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 SEIS_SIGNAL_TDRESTITUTION_H
+#define SEIS_SIGNAL_TDRESTITUTION_H
+
+#include <math.h>
+#include <seiscomp/math/filter.h>
+#include <seiscomp/math/filter/butterworth.h>
+
+namespace Seiscomp {
+namespace Math {
+namespace Restitution {
+
+// subroutines to compute parameters for the recursive filter
+
+// from seismometer eigenperiod T0 and damping parameter h bool 
+bool coefficients_from_T0_h(double fsamp, double gain, double T0, double h, double *c0, double *c1, double *c2);
+
+// from the two seismometer eigenperiods T1 and T2
+bool coefficients_from_T1_T2(double fsamp, double gain, double T1, double T2, double *c0, double *c1, double *c2);
+
+template<typename TYPE>
+class TimeDomain : public Filtering::InPlaceFilter<TYPE> {
+	public:
+		TimeDomain();
+		~TimeDomain();
+
+		// configuration
+		void setBandpass(int order, double fmin, double fmax);
+		void setSamplingFrequency(double fsamp);
+		void setCoefficients(double c0, double c1, double c2);
+
+		virtual int setParameters(int n, const double *params);
+
+		virtual void reset() {}
+		virtual void apply(int n, TYPE *inout);
+		virtual std::string print() const;
+
+	protected:
+		virtual void init();
+
+	protected:
+		// configuration
+		double c0, c1, c2;
+		double fsamp, dt;
+		double gain;
+
+	private:
+		// filter configuration
+		int order;
+		double fmin, fmax;
+		// temp variables
+		double y0, y1, y2, a1, a2;
+		double cumsum1, cumsum2;
+
+		Filtering::IIR::ButterworthHighLowpass<TYPE> *bandpass;
+};
+
+template<typename TYPE>
+class TimeDomain_from_T0_h: public TimeDomain<TYPE> {
+	public:
+		TimeDomain_from_T0_h(double T0, double h, double gain, double fsamp=0);
+
+		void setBandpass(int order, double fmin, double fmax);
+		virtual std::string print() const;
+
+		Filtering::InPlaceFilter<TYPE>* clone() const;
+
+	protected:
+		virtual void init();
+	
+	private:
+		// configuration
+		double T0, h;
+};
+
+template<typename TYPE>
+class TimeDomain_from_T1_T2: public TimeDomain<TYPE> {
+	public:
+		TimeDomain_from_T1_T2(double T1, double T2, double gain, double fsamp=0);
+
+		void setBandpass(int order, double fmin, double fmax);
+		virtual std::string print() const;
+
+		Filtering::InPlaceFilter<TYPE>* clone() const;
+
+	protected:
+		virtual void init();
+
+	private:
+		// configuration
+		double T1, T2;
+};
+
+
+} // namespace Seiscomp::Math::Restitution
+} // namespace Seiscomp::Math
+} // namespace Seiscomp
+
+#endif