nearest_neighbor_graph_ann.h

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#pragma once
 
#include <vector>
 
void nearest_neighbor_graph_ann(int nPts, int k, const std::vector<double> &x,
                                int &nz0, std::vector<int> &irn,
                                std::vector<int> &jcn,
                                std::vector<double> &val);