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diff --git a/include/gudhi/Cech_complex_blocker.h b/include/gudhi/Cech_complex_blocker.h
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--- a/include/gudhi/Cech_complex_blocker.h
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-/*    This file is part of the Gudhi Library. The Gudhi library
- *    (Geometric Understanding in Higher Dimensions) is a generic C++
- *    library for computational topology.
- *
- *    Author(s):       Vincent Rouvreau
- *
- *    Copyright (C) 2018 Inria
- *
- *    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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef CECH_COMPLEX_BLOCKER_H_
-#define CECH_COMPLEX_BLOCKER_H_
-
-#include <gudhi/distance_functions.h>  // for Gudhi::Minimal_enclosing_ball_radius
-
-#include <iostream>
-#include <vector>
-#include <cmath>  // for std::sqrt
-
-namespace Gudhi {
-
-namespace cech_complex {
-
-/** \internal
- * \class Cech_blocker
- * \brief Čech complex blocker.
- *
- * \ingroup cech_complex
- *
- * \details
- * Čech blocker is an oracle constructed from a Cech_complex and a simplicial complex.
- *
- * \tparam SimplicialComplexForProximityGraph furnishes `Simplex_handle` and `Filtration_value` type definition,
- * `simplex_vertex_range(Simplex_handle sh)`and `assign_filtration(Simplex_handle sh, Filtration_value filt)` methods.
- *
- * \tparam Chech_complex is required by the blocker.
- */
-template <typename SimplicialComplexForCech, typename Cech_complex>
-class Cech_blocker {
- private:
-  using Point_cloud = typename Cech_complex::Point_cloud;
-
-  using Simplex_handle = typename SimplicialComplexForCech::Simplex_handle;
-  using Filtration_value = typename SimplicialComplexForCech::Filtration_value;
-
- public:
-  /** \internal \brief Čech complex blocker operator() - the oracle - assigns the filtration value from the simplex
-   * radius and returns if the simplex expansion must be blocked.
-   *  \param[in] sh The Simplex_handle.
-   *  \return true if the simplex radius is greater than the Cech_complex max_radius*/
-  bool operator()(Simplex_handle sh) {
-    Point_cloud points;
-    for (auto vertex : sc_ptr_->simplex_vertex_range(sh)) {
-      points.push_back(cc_ptr_->get_point(vertex));
-#ifdef DEBUG_TRACES
-      std::cout << "#(" << vertex << ")#";
-#endif  // DEBUG_TRACES
-    }
-    Filtration_value radius = Gudhi::Minimal_enclosing_ball_radius()(points);
-#ifdef DEBUG_TRACES
-    if (radius > cc_ptr_->max_radius()) std::cout << "radius > max_radius => expansion is blocked\n";
-#endif  // DEBUG_TRACES
-    sc_ptr_->assign_filtration(sh, radius);
-    return (radius > cc_ptr_->max_radius());
-  }
-
-  /** \internal \brief Čech complex blocker constructor. */
-  Cech_blocker(SimplicialComplexForCech* sc_ptr, Cech_complex* cc_ptr) : sc_ptr_(sc_ptr), cc_ptr_(cc_ptr) {}
-
- private:
-  SimplicialComplexForCech* sc_ptr_;
-  Cech_complex* cc_ptr_;
-};
-
-}  // namespace cech_complex
-
-}  // namespace Gudhi
-
-#endif  // CECH_COMPLEX_BLOCKER_H_