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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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/*
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* Normaliz
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* Copyright (C) 2007-2014 Winfried Bruns, Bogdan Ichim, Christof Soeger
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As an exception, when this program is distributed through (i) the App Store
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* by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or (iii) Google Play
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* by Google Inc., then that store may impose any digital rights management,
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* device limits and/or redistribution restrictions that are required by its
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* terms of service.
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*/
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//---------------------------------------------------------------------------
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#include <stdlib.h>
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#include <vector>
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#include <list>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <algorithm>
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#include "Qoutput.h"
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#include "libQnormaliz/Qgeneral.h"
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#include "libQnormaliz/Qmatrix.h"
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#include "libQnormaliz/Qvector_operations.h"
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#include "libQnormaliz/Qmap_operations.h"
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//---------------------------------------------------------------------------
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template<typename Number>
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Output<Number>::Output(){
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out=true;
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inv=false;
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ext=false;
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esp=false;
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typ=false;
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egn=false;
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gen=false;
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cst=false;
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tri=false;
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tgn=false;
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ht1=false;
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dec=false;
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lat=false;
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mod=false;
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msp=false;
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lattice_ideal_input = false;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_lattice_ideal_input(bool value){
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lattice_ideal_input=value;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::read() const{
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cout<<"\nname="<<name<<"\n";
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cout<<"\nout="<<out<<"\n";
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cout<<"\ninv="<<inv<<"\n";
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cout<<"\next="<<ext<<"\n";
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cout<<"\nesp="<<esp<<"\n";
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cout<<"\ntyp="<<typ<<"\n";
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cout<<"\negn="<<egn<<"\n";
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cout<<"\ngen="<<gen<<"\n";
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cout<<"\ncst="<<cst<<"\n";
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cout<<"\ntri="<<tri<<"\n";
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cout<<"\ntgn="<<tgn<<"\n";
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cout<<"\nht1="<<ht1<<"\n";
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cout<<"\nResult is:\n";
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Result->print();
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_name(const string& n){
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name=n;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::setCone(Cone<Number> & C) {
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this->Result = &C;
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dim = Result->getEmbeddingDim();
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homogeneous = !Result->isInhomogeneous();
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if (homogeneous) {
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of_cone = "";
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of_monoid = "";
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of_polyhedron = "";
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} else {
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of_cone = " of recession cone";
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of_monoid = " of recession monoid";
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of_polyhedron = " of polyhedron (homogenized)";
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_out(const bool& flag){
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out=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_inv(const bool& flag){
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inv=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_ext(const bool& flag){
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ext=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_esp(const bool& flag){
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esp=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_typ(const bool& flag){
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typ=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_egn(const bool& flag){
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egn=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_gen(const bool& flag){
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gen=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_cst(const bool& flag){
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cst=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_tri(const bool& flag) {
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tri=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_tgn(const bool& flag) {
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tgn=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_ht1(const bool& flag) {
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ht1=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_dec(const bool& flag) {
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dec=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_mod(const bool& flag) {
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mod=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_lat(const bool& flag) {
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lat=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_msp(const bool& flag) {
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msp=flag;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_extra_files(){
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out=true;
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inv=true;
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gen=true;
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cst=true;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::set_write_all_files(){
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out=true;
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inv=true;
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ext=true;
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esp=true;
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typ=true;
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egn=true;
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gen=true;
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cst=true;
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ht1=true;
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lat=true;
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mod=true;
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msp=true;
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_ext(const Matrix<Number>& M) const{
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if (ext==true) {
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M.print(name,"ext");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_mod(const Matrix<Number>& M) const{
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if (mod==true) {
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M.print(name,"mod");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_lat(const Matrix<Number>& M) const{
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if (ext==true) {
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M.print(name,"lat");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_esp(const Matrix<Number>& M) const{
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if (esp==true) {
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M.print(name,"esp");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_typ(const Matrix<Number>& M) const{
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if (typ==true) {
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M.print(name,"typ");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_egn(const Matrix<Number>& M) const {
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if (egn==true) {
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M.print(name,"egn");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_gen(const Matrix<Number>& M) const {
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if (gen==true) {
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M.print(name,"gen");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_msp(const Matrix<Number>& M) const {
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if (msp==true) {
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M.print(name,"msp");
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_tri() const{
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if (tri==true) {
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string file_name = name+".tri";
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ofstream out(file_name.c_str());
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const vector< pair<vector<libQnormaliz::key_t>,Number> >& Tri = Result->getTriangulation();
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typename vector< pair<vector<libQnormaliz::key_t>,Number> >::const_iterator tit = Tri.begin();
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const vector<vector<bool> >& Dec = Result->isComputed(ConeProperty::ConeDecomposition) ?
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Result->getOpenFacets() : vector<vector<bool> >();
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typename vector< vector<bool> >::const_iterator idd = Dec.begin();
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out << Tri.size() << endl;
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size_t nr_extra_entries=1;
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if (Result->isComputed(ConeProperty::ConeDecomposition))
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nr_extra_entries+=Result->getSublattice().getRank();
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out << Result->getSublattice().getRank()+nr_extra_entries << endl; //works also for empty list
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for(; tit != Tri.end(); ++tit) {
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for (size_t i=0; i<tit->first.size(); i++) {
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out << tit->first[i] +1 << " ";
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}
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out << " " << tit->second;
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if(Result->isComputed(ConeProperty::ConeDecomposition)){
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out << " ";
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for (size_t i=0; i<tit->first.size(); i++) {
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out << " " << (*idd)[i];
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}
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idd++;
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}
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out << endl;
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}
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if (Result->isTriangulationNested()) out << "nested" << endl;
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else out << "plain" << endl;
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if (Result->isTriangulationPartial()) out << "partial" << endl;
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out.close();
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_matrix_ht1(const Matrix<Number>& M) const{
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if (ht1==true) {
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M.print(name,"ht1");
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}
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}
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//---------------------------------------------------------------------------
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string is_maximal(long a, long b) {
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return (a == b) ? " (maximal)" : "";
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_inv_file() const{
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if (inv==true) {//printing .inv file
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string name_open=name+".inv"; //preparing output files
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const char* file=name_open.c_str();
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ofstream inv(file);
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if (Result->isComputed(ConeProperty::VerticesOfPolyhedron)) {
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inv << "integer number_vertices_polyhedron = "
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<< Result->getNrVerticesOfPolyhedron() << endl;
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}
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if (Result->isComputed(ConeProperty::ExtremeRays)) {
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size_t nr_ex_rays = Result->getNrExtremeRays();
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inv<<"integer number_extreme_rays = "<<nr_ex_rays<<endl;
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}
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if (Result->isComputed(ConeProperty::MaximalSubspace)) {
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size_t dim_max_subspace = Result->getDimMaximalSubspace();
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inv<<"integer dim_max_subspace = "<<dim_max_subspace<<endl;
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}
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inv << "integer embedding_dim = " << dim << endl;
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if (!homogeneous){
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if (Result->isComputed(ConeProperty::AffineDim))
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inv << "integer affine_dim_polyhedron = " << Result->getAffineDim() << endl;
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if (Result->isComputed(ConeProperty::RecessionRank))
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inv << "integer recession_rank = " << Result->getRecessionRank() << endl;
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}
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if (Result->isComputed(ConeProperty::SupportHyperplanes)) {
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inv<<"integer number_support_hyperplanes = "<<Result->getNrSupportHyperplanes()<<endl;
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}
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if (Result->isComputed(ConeProperty::TriangulationSize)) {
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inv << "integer size_triangulation = " << Result->getTriangulationSize() << endl;
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}
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if (Result->isComputed(ConeProperty::TriangulationDetSum)) {
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inv << "integer sum_dets = " << Result->getTriangulationDetSum() << endl;
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}
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if (!Result->isComputed(ConeProperty::Dehomogenization)) {
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inv << "boolean inhomogeneous = false" << endl;
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}
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else {
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inv << "boolean inhomogeneous = true" << endl;
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vector<Number> Linear_Form = Result->getDehomogenization();
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inv << "vector " << Linear_Form.size()
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<< " dehomogenization = " << Linear_Form;
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}
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inv.close();
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}
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}
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//---------------------------------------------------------------------------
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template<typename Number>
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void Output<Number>::write_files() const {
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vector<libQnormaliz::key_t> rees_ideal_key;
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if (esp && Result->isComputed(ConeProperty::SupportHyperplanes) && Result->isComputed(ConeProperty::Sublattice)) {
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//write the suport hyperplanes of the full dimensional cone
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const Sublattice_Representation<Number>& BasisChange = Result->getSublattice();
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Matrix<Number> Support_Hyperplanes_Full_Cone = BasisChange.to_sublattice_dual(Result->getSupportHyperplanesMatrix());
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// Support_Hyperplanes_Full_Cone.print(name,"esp");
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string esp_string = name+".esp";
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const char* esp_file = esp_string.c_str();
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ofstream esp_out(esp_file);
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Support_Hyperplanes_Full_Cone.print(esp_out);
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esp_out << "inequalities" << endl;
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if (Result->isComputed(ConeProperty::Grading)) {
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esp_out << 1 << endl << Result->getRank() << endl;
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}
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if (Result->isComputed(ConeProperty::Dehomogenization)) {
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esp_out << 1 << endl << Result->getRank() << endl;
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esp_out << BasisChange.to_sublattice_dual(Result->getDehomogenization());
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esp_out << "dehomogenization" << endl;
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}
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esp_out.close();
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}
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if (tgn && Result->isComputed(ConeProperty::Generators))
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Result->getGeneratorsMatrix().print(name,"tgn");
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if (tri && Result->isComputed(ConeProperty::Triangulation)) { //write triangulation
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write_tri();
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}
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if (out==true) { //printing .out file
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string name_open=name+".out"; //preparing output files
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const char* file=name_open.c_str();
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ofstream out(file);
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if(out.fail()){
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errorOutput() << "Cannot write to output file." << endl;
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exit(1);
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}
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// write "header" of the .out file
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size_t nr_orig_gens = 0;
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if (lattice_ideal_input) {
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nr_orig_gens = Result->getNrOriginalMonoidGenerators();
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out << nr_orig_gens <<" original generators of the toric ring"<<endl;
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}
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if (Result->isComputed(ConeProperty::VerticesOfPolyhedron)) {
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out << Result->getNrVerticesOfPolyhedron() <<" vertices of polyhedron" << endl;
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}
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if (Result->isComputed(ConeProperty::ExtremeRays)) {
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out << Result->getNrExtremeRays() <<" extreme rays" << of_cone << endl;
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}
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if (Result->isComputed(ConeProperty::SupportHyperplanes)) {
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out << Result->getNrSupportHyperplanes() <<" support hyperplanes"
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<< of_polyhedron << endl;
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}
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out<<endl;
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out << "embedding dimension = " << dim << endl;
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if (homogeneous) {
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if (Result->isComputed(ConeProperty::Sublattice)) {
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auto rank = Result->getRank();
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out << "rank = "<< rank << is_maximal(rank,dim) << endl;
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}
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} else { // now inhomogeneous case
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if (Result->isComputed(ConeProperty::AffineDim))
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out << "affine dimension of the polyhedron = "
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<< Result->getAffineDim() << is_maximal(Result->getAffineDim(),dim-1) << endl;
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if (Result->isComputed(ConeProperty::RecessionRank))
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out << "rank of recession monoid = " << Result->getRecessionRank() << endl;
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}
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if(Result->isComputed(ConeProperty::MaximalSubspace)){
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size_t dim_max_subspace=Result->getDimMaximalSubspace();
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if(dim_max_subspace>0)
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out << "dimension of maximal subspace = " << dim_max_subspace << endl;
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}
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out << endl;
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if (Result->isComputed(ConeProperty::TriangulationSize)) {
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out << "size of ";
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if (Result->isTriangulationNested()) out << "nested ";
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if (Result->isTriangulationPartial()) out << "partial ";
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out << "triangulation = " << Result->getTriangulationSize() << endl;
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}
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if (Result->isComputed(ConeProperty::TriangulationDetSum)) {
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out << "resulting sum of |det|s = " << Result->getTriangulationDetSum() << endl;
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}
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if (Result->isComputed(ConeProperty::TriangulationSize)) {
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out << endl;
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}
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if ( Result->isComputed(ConeProperty::Dehomogenization) ) {
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out << "dehomogenization:" << endl
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<< Result->getDehomogenization() << endl;
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}
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out << "***********************************************************************"
531
<< endl << endl;
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if (Result->isComputed(ConeProperty::VerticesOfPolyhedron)) {
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out << Result->getNrVerticesOfPolyhedron() <<" vertices of polyhedron:" << endl;
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Result->getVerticesOfPolyhedronMatrix().pretty_print(out);
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out << endl;
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}
538
if (Result->isComputed(ConeProperty::ExtremeRays)) {
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out << Result->getNrExtremeRays() << " extreme rays" << of_cone << ":" << endl;
540
Result->getExtremeRaysMatrix().pretty_print(out);
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out << endl;
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if (ext) {
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// for the .gen file we append the vertices of polyhedron if there are any
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if (Result->isComputed(ConeProperty::VerticesOfPolyhedron)) {
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Matrix<Number> Extreme_Rays(Result->getExtremeRaysMatrix());
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Extreme_Rays.append(Result->getVerticesOfPolyhedronMatrix());
547
write_matrix_ext(Extreme_Rays);
548
} else {
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write_matrix_ext(Result->getExtremeRaysMatrix());
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}
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}
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}
553
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if(Result->isComputed(ConeProperty::MaximalSubspace) && Result->getDimMaximalSubspace()>0){
555
out << Result->getDimMaximalSubspace() <<" basis elements of maximal subspace:" << endl;
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Result->getMaximalSubspaceMatrix().pretty_print(out);
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out << endl;
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if(msp)
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write_matrix_msp(Result->getMaximalSubspaceMatrix());
560
}
561
562
//write constrains (support hyperplanes, congruences, equations)
563
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if (Result->isComputed(ConeProperty::SupportHyperplanes)) {
565
const Matrix<Number>& Support_Hyperplanes = Result->getSupportHyperplanesMatrix();
566
out << Support_Hyperplanes.nr_of_rows() <<" support hyperplanes"
567
<< of_polyhedron << ":" << endl;
568
Support_Hyperplanes.pretty_print(out);
569
out << endl;
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}
571
if (Result->isComputed(ConeProperty::Sublattice)) {
572
const Sublattice_Representation<Number>& BasisChange = Result->getSublattice();
573
//equations
574
const Matrix<Number>& Equations = BasisChange.getEquationsMatrix();
575
size_t nr_of_equ = Equations.nr_of_rows();
576
if (nr_of_equ > 0) {
577
out << nr_of_equ <<" equations:" <<endl;
578
Equations.pretty_print(out);
579
out << endl;
580
}
581
582
//lattice
583
const Matrix<Number>& LatticeBasis = BasisChange.getEmbeddingMatrix();
584
size_t nr_of_latt = LatticeBasis.nr_of_rows();
585
if (nr_of_latt < dim) {
586
out << nr_of_latt <<" basis elements of lattice:" <<endl;
587
LatticeBasis.pretty_print(out);
588
out << endl;
589
}
590
if(lat)
591
write_matrix_lat(LatticeBasis);
592
593
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if (cst && Result->isComputed(ConeProperty::SupportHyperplanes)) {
595
const Matrix<Number>& Support_Hyperplanes = Result->getSupportHyperplanesMatrix();
596
string cst_string = name+".cst";
597
const char* cst_file = cst_string.c_str();
598
ofstream cst_out(cst_file);
599
600
Support_Hyperplanes.print(cst_out);
601
cst_out<<"inequalities"<<endl;
602
Equations.print(cst_out);
603
cst_out<<"equations"<<endl;
604
605
if (Result->isComputed(ConeProperty::Dehomogenization)) {
606
cst_out << 1 << endl << dim << endl;
607
cst_out << Result->getDehomogenization();
608
cst_out << "dehomogenization" << endl;
609
}
610
cst_out.close();
611
}
612
}
613
614
out.close();
615
}
616
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write_inv_file();
618
}
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