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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_QSLIM_OPTIMAL_COLLAPSE_EDGE_CALLBACKS_H
#define IGL_QSLIM_OPTIMAL_COLLAPSE_EDGE_CALLBACKS_H
#include "igl_inline.h"
#include "decimate_callback_types.h"
#include <Eigen/Core>
#include <functional>
#include <vector>
#include <tuple>
#include <set>
namespace igl
{
// Prepare callbacks for decimating edges using the qslim optimal placement
// metric.
//
// Inputs:
// E #E by 2 list of working edges
// quadrics reference to list of working per vertex quadrics
// v1 working variable to maintain end point of collapsed edge
// v2 working variable to maintain end point of collapsed edge
// Outputs
// cost_and_placement callback for evaluating cost of edge collapse and
// determining placement of vertex (see collapse_edge)
// pre_collapse callback before edge collapse (see collapse_edge)
// post_collapse callback after edge collapse (see collapse_edge)
IGL_INLINE void qslim_optimal_collapse_edge_callbacks(
Eigen::MatrixXi & E,
std::vector<std::tuple<Eigen::MatrixXd,Eigen::RowVectorXd,double> > &
quadrics,
int & v1,
int & v2,
decimate_cost_and_placement_callback & cost_and_placement,
decimate_pre_collapse_callback & pre_collapse,
decimate_post_collapse_callback & post_collapse);
}
#ifndef IGL_STATIC_LIBRARY
# include "qslim_optimal_collapse_edge_callbacks.cpp"
#endif
#endif