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diff --git a/src/Skeleton_blocker/test/TestSimplifiable.cpp b/src/Skeleton_blocker/test/TestSimplifiable.cpp
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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): David Salinas
- *
- * Copyright (C) 2014 INRIA Sophia Antipolis-Mediterranee (France)
- *
- * 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/>.
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string>
-#include <fstream>
-#include <sstream>
-#include "gudhi/Test.h"
-//#include "Skeleton_blocker/Simplex.h"
-#include "gudhi/Skeleton_blocker.h"
-
-
-using namespace std;
-
-using namespace Gudhi;
-
-using namespace skbl;
-
-template<typename ComplexType> class Skeleton_blocker_sub_complex;
-typedef Skeleton_blocker_complex<Skeleton_blocker_simple_traits> Complex;
-typedef Complex::Vertex_handle Vertex_handle;
-typedef Complex::Root_vertex_handle Root_vertex_handle;
-typedef Skeleton_blocker_simplex<Vertex_handle> Simplex_handle;
-// true iff v \in complex
-bool assert_vertex(Complex &complex,Vertex_handle v){
- Simplex_handle simplex(v);
- bool test = complex.contains(simplex);
- assert(test);
- return test;
-}
-
-// true iff the blocker (a,b,c) is in complex
-bool assert_blocker(Complex &complex,Root_vertex_handle a,Root_vertex_handle b,Root_vertex_handle c){
-
- return complex.contains_blocker(Simplex_handle(*complex.get_address(a),*complex.get_address(b),*complex.get_address(c)));
- //return complex.contains_blocker((a),(b),(c));
-}
-
-void build_complete(int n,Complex& complex){
- complex.clear();
- for(int i=0;i<n;i++)
- complex.add_vertex();
- for(int i=0;i<n;i++)
- for(int j=0;j<i;j++)
- complex.add_edge(Vertex_handle(i),Vertex_handle(j));
-}
-
-bool test_contraction1(){
- enum { a, b, x, y, z, n };
- Complex complex(n);
- build_complete(n,complex);
- complex.remove_edge(static_cast<Vertex_handle>(b), static_cast<Vertex_handle>(z));
- complex.add_blocker(Simplex_handle(static_cast<Vertex_handle>(a), static_cast<Vertex_handle>(x),
- static_cast<Vertex_handle>(y)));
- complex.add_blocker(Simplex_handle(static_cast<Vertex_handle>(b), static_cast<Vertex_handle>(x),
- static_cast<Vertex_handle>(y)));
-
- // Print result
- cerr << "complex before complex"<< complex.to_string()<<endl;
-
- cerr <<endl<<endl;
- complex.contract_edge(static_cast<Vertex_handle>(a),static_cast<Vertex_handle>(b));
- // Print result
- cerr << "ContractEdge(0,1)\n";
- PRINT(complex.to_string());
-
- // verification
- for (int i=0;i<5;i++)
- if (i!=1) assert_vertex(complex, static_cast<Vertex_handle>(i));
- bool test1 = !complex.contains_edge(static_cast<Vertex_handle>(a),static_cast<Vertex_handle>(b));
- bool test2 = assert_blocker(complex,Root_vertex_handle(a),Root_vertex_handle(x),Root_vertex_handle(y));
- bool test3 = complex.num_edges()==6;
- bool test4 = complex.num_blockers()==1;
- Simplex_handle sigma;
- sigma.add_vertex(static_cast<Vertex_handle>(a));
- sigma.add_vertex(static_cast<Vertex_handle>(x));
- sigma.add_vertex(static_cast<Vertex_handle>(y));
- sigma.add_vertex(static_cast<Vertex_handle>(z));
- bool test5 = !(complex.contains(sigma));
- return test1&&test2&&test3&&test4&&test5;
-}
-
-
-bool test_contraction2(){
- enum { a, b, x, y, z, n };
- Complex complex(n);
- build_complete(n,complex);
- complex.remove_edge(static_cast<Vertex_handle>(b),static_cast<Vertex_handle>(x));
- Simplex_handle blocker;
- blocker.add_vertex(static_cast<Vertex_handle>(a));
- blocker.add_vertex(static_cast<Vertex_handle>(y));
- blocker.add_vertex(static_cast<Vertex_handle>(z));
-
- complex.add_blocker(blocker);
-
- // Print result
- cerr << "complex complex"<< complex.to_string();
- cerr <<endl<<endl;
- complex.contract_edge(static_cast<Vertex_handle>(a),static_cast<Vertex_handle>(b));
-
- cerr << "complex.ContractEdge(a,b)"<< complex.to_string();
-
- cerr <<endl<<endl;
-
- // there should be one blocker (a,c,d,e) in the complex
- bool test ;
- test = complex.contains_blocker(Simplex_handle(static_cast<Vertex_handle>(a), static_cast<Vertex_handle>(x),
- static_cast<Vertex_handle>(y),static_cast<Vertex_handle>(z)));
- test = test && complex.num_blockers()==1;
- return test;
-}
-
-bool test_link_condition1(){
-
- Complex complex(0);
- // Build the complexes
- build_complete(4,complex);
- complex.add_blocker(Simplex_handle(static_cast<Vertex_handle>(0), static_cast<Vertex_handle>(1), static_cast<Vertex_handle>(2)));
-
-
- // Print result
- cerr << "complex complex"<< complex.to_string();
- cerr <<endl<<endl;
-
- bool weak_link_condition = complex.link_condition(Vertex_handle(1),Vertex_handle(2),true);
-
- bool strong_link_condition = complex.link_condition(Vertex_handle(1),Vertex_handle(2),false);
-
- return weak_link_condition && !strong_link_condition;
-}
-
-
-bool test_collapse0(){
- Complex complex(5);
- build_complete(4,complex);
- complex.add_vertex();
- complex.add_edge(static_cast<Vertex_handle>(2), static_cast<Vertex_handle>(4));
- complex.add_edge(static_cast<Vertex_handle>(3), static_cast<Vertex_handle>(4));
- // Print result
- cerr << "initial complex :\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- Simplex_handle simplex_123(static_cast<Vertex_handle>(1), static_cast<Vertex_handle>(2), static_cast<Vertex_handle>(3));
- complex.remove_star(simplex_123);
- cerr << "complex.remove_star(1,2,3):\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- // verification
- bool blocker123_here = complex.contains_blocker(simplex_123);
- cerr <<"----> Ocomplex \n";
- return blocker123_here;
-}
-
-
-bool test_collapse1(){
- Complex complex(5);
- build_complete(4,complex);
- complex.add_blocker(Simplex_handle(Vertex_handle(0),Vertex_handle(1),Vertex_handle(2),Vertex_handle(3)));
- // Print result
- cerr << "initial complex :\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- Simplex_handle simplex_123(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3));
- complex.remove_star(simplex_123);
- cerr << "complex.remove_star(1,2,3):\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- // verification
- bool res = complex.contains_blocker(simplex_123);
- res = res && complex.num_blockers()==1;
- cerr <<"----> Ocomplex \n";
- return res;
-}
-
-bool test_collapse2(){
- Complex complex(5);
- build_complete(4,complex);
- complex.add_vertex();
- complex.add_edge(Vertex_handle(1),Vertex_handle(4));
- complex.add_edge(Vertex_handle(2),Vertex_handle(4));
- complex.add_edge(Vertex_handle(3),Vertex_handle(4));
- complex.add_blocker(Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3),Vertex_handle(4)));
- // Print result
- cerr << "initial complex :\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- Simplex_handle sigma(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3));
- complex.remove_star(sigma);
- cerr << "complex.remove_star(1,2,3):\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- // verification
- bool blocker_removed = !complex.contains_blocker(Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3),Vertex_handle(4)));
- bool blocker123_here = complex.contains_blocker(sigma);
- return blocker_removed && blocker123_here;
-}
-
-bool test_collapse3(){
- Complex complex(5);
- build_complete(4,complex);
- complex.add_vertex();
- complex.add_edge(Vertex_handle(1),Vertex_handle(4));
- complex.add_edge(Vertex_handle(2),Vertex_handle(4));
- complex.add_edge(Vertex_handle(3),Vertex_handle(4));
- complex.add_blocker(Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3),Vertex_handle(4)));
- // Print result
- cerr << "initial complex:\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- complex.remove_star(static_cast<Vertex_handle>(2));
- cerr << "complex after remove star of 2:\n"<< complex.to_string();
-
- bool blocker134_here = complex.contains_blocker(Simplex_handle(Vertex_handle(1),Vertex_handle(3),Vertex_handle(4)));
- bool blocker1234_here = complex.contains_blocker(Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3),Vertex_handle(4)));
- return blocker134_here && !blocker1234_here;
-}
-
-bool test_add_simplex(){
- Complex complex(5);
- build_complete(4,complex);
- complex.add_blocker(Simplex_handle(Vertex_handle(0),Vertex_handle(1),Vertex_handle(2)));
- // Print result
- cerr << "initial complex:\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- complex.add_simplex(Simplex_handle(Vertex_handle(0),Vertex_handle(1),Vertex_handle(2),Vertex_handle(3)));
- cerr << "complex after add_simplex:\n"<< complex.to_string();
-
- return complex.num_blockers()==0;
-}
-
-bool test_add_simplex2(){
- Complex complex;
- build_complete(4,complex);
- // Print result
- cerr << "initial complex:\n"<< complex.to_string();
- cerr <<endl<<endl;
-
- Complex copy(complex.num_vertices());
-
- std::vector<Simplex_handle> simplices(complex.simplex_range().begin(),complex.simplex_range().end());
- sort(simplices.begin(),simplices.end(),[&](const Simplex_handle& s1,const Simplex_handle& s2){
- return s1.dimension()<s2.dimension();
- });
- for(const auto & simplex : simplices){
- if(!copy.contains(simplex) && simplex.dimension()==1)
- copy.add_edge(simplex.first_vertex(),simplex.last_vertex());
- if(!copy.contains(simplex) && simplex.dimension()>1)
- copy.add_simplex(simplex);
- }
-
-
- cerr << "complex after add_simplex:\n"<< copy.to_string();
-
-
- return complex.num_blockers()==copy.num_blockers() &&
- complex.num_edges()==copy.num_edges() &&
- complex.num_vertices()==copy.num_vertices();
-}
-
-
-
-bool test_remove_popable_blockers(){
- Complex complex;
- build_complete(4,complex);
- complex.add_vertex();
- complex.add_edge(Vertex_handle(3),Vertex_handle(4));
- complex.add_edge(Vertex_handle(2),Vertex_handle(4));
- Simplex_handle sigma1=Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3));
- Simplex_handle sigma2=Simplex_handle(Vertex_handle(2),Vertex_handle(3),Vertex_handle(4));
-
- complex.add_blocker(sigma1);
- complex.add_blocker(sigma2);
- cerr << "complex complex"<< complex.to_string();
- cerr <<endl<<endl;
- cerr << "complex.RemovePopableBlockers();"<<endl;
- complex.remove_popable_blockers();
- cerr << "complex complex"<< complex.to_string();
- cerr <<endl<<endl;
-
- bool test1 = (complex.num_blockers()==1);
-
-
- // test 2
- complex.clear();
- build_complete(4,complex);
- complex.add_vertex();
- complex.add_vertex();
- complex.add_edge(Vertex_handle(3),Vertex_handle(4));
- complex.add_edge(Vertex_handle(2),Vertex_handle(4));
- complex.add_edge(Vertex_handle(2),Vertex_handle(5));
- complex.add_edge(Vertex_handle(3),Vertex_handle(5));
- complex.add_edge(Vertex_handle(4),Vertex_handle(5));
- sigma1=Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3));
- sigma2=Simplex_handle(Vertex_handle(2),Vertex_handle(3),Vertex_handle(4));
-
- complex.add_blocker(sigma1);
- complex.add_blocker(sigma2);
- cerr << "complex complex"<< complex.to_string();
- cerr <<endl<<endl; cerr << "complex.RemovePopableBlockers();"<<endl;
- complex.remove_popable_blockers();
- cerr << "complex complex"<< complex.to_string();
-
- cerr <<endl<<endl;
- bool test2 = (complex.num_blockers()==0);
- return test1&&test2;
-}
-
-
-
-int main (int argc, char *argv[])
-{
- Tests tests_simplifiable_complex;
- tests_simplifiable_complex.add("Test contraction 1",test_contraction1);
- tests_simplifiable_complex.add("Test contraction 2",test_contraction2);
- tests_simplifiable_complex.add("Test Link condition 1",test_link_condition1);
- tests_simplifiable_complex.add("Test remove popable blockers",test_remove_popable_blockers);
-
-
- tests_simplifiable_complex.add("Test collapse 0",test_collapse0);
- tests_simplifiable_complex.add("Test collapse 1",test_collapse1);
- tests_simplifiable_complex.add("Test collapse 2",test_collapse2);
- tests_simplifiable_complex.add("Test collapse 3",test_collapse3);
-
- tests_simplifiable_complex.add("Test add simplex",test_add_simplex);
- tests_simplifiable_complex.add("Test add simplex2",test_add_simplex2);
-
-
- tests_simplifiable_complex.run();
-
- if(tests_simplifiable_complex.run())
- return EXIT_SUCCESS;
- else
- return EXIT_FAILURE;
-}