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+/* This file is part of Lemma, a geophysical modelling and inversion API.
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+ * More information is available at http://lemmasoftware.org
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+ */
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+
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+/* This Source Code Form is subject to the terms of the Mozilla Public
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+ * License, v. 2.0. If a copy of the MPL was not distributed with this
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+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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+ */
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+
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+/**
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+ * @file
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+ * @date 05/02/2018 09:46:38 PM
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+ * @version $Id$
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+ * @author Trevor Irons (ti)
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+ * @email tirons@egi.utah.edu
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+ * @copyright Copyright (c) 2018, University of Utah
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+ * @copyright Copyright (c) 2018, Trevor Irons & Lemma Software, LLC
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+ */
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+
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+
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+#pragma once
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+#include "HankekTransform.h"
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+
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+namespace Lemma {
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+
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+ /**
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+ \brief Impliments a fast Hankel transform through digital filtering.
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+ \details A genearl Fast Hankel Transform routine which uses the digital
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+ filter apporach. This approach performs a complete sweep of the
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+ coeficients, for a variant that uses a longer filter which may
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+ be truncated, see FHTAnderson801.
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+ @see FHTAndersion801
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+ @see GQChave
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+ @see @QKEKey
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+ */
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+ class FHT : public HankekTransform {
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+
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+ friend std::ostream &operator<<(std::ostream &stream, const FHT &ob);
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+
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+ public:
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+
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+ // ==================== LIFECYCLE =======================
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+
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+ /*
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+ * Factory method for generating concrete class.
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+ * @return a std::shared_ptr of type FHT
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+ */
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+ static std::shared_ptr< FHT > NewSP();
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+
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+ /**
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+ * Uses YAML to serialize this object.
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+ * @return a YAML::Node
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+ * @see FHT::DeSerialize
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+ */
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+ YAML::Node Serialize() const;
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+
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+ /**
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+ * Constructs an FHT object from a YAML::Node.
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+ * @see FHT::Serialize
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+ */
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+ static std::shared_ptr<FHT> DeSerialize(const YAML::Node& node);
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+
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+ // ==================== OPERATORS =======================
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+
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+ // ==================== OPERATIONS =======================
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+
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+ // ==================== ACCESS =======================
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+
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+ // ==================== INQUIRY =======================
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+
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+
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+
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+ protected:
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+
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+ // ==================== LIFECYCLE =======================
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+
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+ /**
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+ * Default protected constructor, use NewSP methods to construct
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+ * @see FHT::NewSP
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+ */
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+ FHT (const std::string& name);
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+
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+ /**
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+ * Protected DeDerializing constructor, use factory DeSerialize method.
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+ * @see FHT::DeSerialize
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+ */
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+ FHT (const YAML::Node& node);
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+
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+ /** Default protected destructor, use smart pointers (std::shared_ptr) */
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+ ~FHT ();
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+
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+ // ==================== DATA MEMBERS =========================
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+
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+ private:
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+
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+ }; // ----- end of class FHT -----
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+} // ----- end of namespace Lemma ----
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+
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+/* vim: set tabstop=4 expandtab: */
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+/* vim: set filetype=cpp: */
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+
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+
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