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/*
* Normaliz
* Copyright (C) 2007-2014 Winfried Bruns, Bogdan Ichim, Christof Soeger
* 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/>.
*
* As an exception, when this program is distributed through (i) the App Store
* by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or (iii) Google Play
* by Google Inc., then that store may impose any digital rights management,
* device limits and/or redistribution restrictions that are required by its
* terms of service.
*/
#include <cstdlib>
#include <signal.h>
#include "libnormaliz/libnormaliz.h"
#include "libnormaliz/general.h"
#include "libnormaliz/my_omp.h"
namespace libnormaliz {
bool verbose = false;
bool nmz_scip=false;
volatile sig_atomic_t nmz_interrupted = 0;
long default_thread_limit=8;
long thread_limit=default_thread_limit;
bool parallelization_set=false;
// bool test_arithmetic_overflow = false;
// long overflow_test_modulus = 15401;
size_t GMP_mat=0;
size_t GMP_hyp=0;
size_t GMP_scal_prod=0;
size_t TotDet=0;
void interrupt_signal_handler( int signal ){
nmz_interrupted = 1;
}
namespace {
std::ostream* verbose_ostream_ptr = &std::cout;
std::ostream* error_ostream_ptr = &std::cerr;
} // end anonymous namespace, only accessible in this file (and when it is included)
bool setVerboseDefault(bool v) {
//we want to return the old value
bool old = verbose;
verbose = v;
return old;
}
long set_thread_limit(long t){
long old=thread_limit;
parallelization_set=true;
thread_limit=t;
return old;
}
void setVerboseOutput(std::ostream& v_out) {
verbose_ostream_ptr = &v_out;
}
void setErrorOutput(std::ostream& e_out) {
error_ostream_ptr = &e_out;
}
std::ostream& verboseOutput() {
return *verbose_ostream_ptr;
}
std::ostream& errorOutput() {
return *error_ostream_ptr;
}
InputType to_type(const std::string& type_string) {
if ( type_string=="0" || type_string=="1" || type_string=="2" || type_string=="3"
|| type_string=="4" || type_string=="5" || type_string=="6"
|| type_string=="hyperplanes"
|| type_string=="10") {
throw BadInputException("Error: deprecated type \"" + type_string
+ "\", please use new type string!");
}
if (type_string=="0"||type_string=="integral_closure") {
return Type::integral_closure;
}
if (type_string=="polyhedron") {
return Type::polyhedron;
}
if (type_string=="1"||type_string=="normalization") {
return Type::normalization;
}
if (type_string=="2"||type_string=="polytope") {
return Type::polytope;
}
if (type_string=="3"||type_string=="rees_algebra") {
return Type::rees_algebra;
}
if (type_string=="4"||type_string=="hyperplanes" ||type_string=="inequalities") {
return Type::inequalities;
}
if (type_string=="strict_inequalities") {
return Type::strict_inequalities;
}
if (type_string=="strict_signs") {
return Type::strict_signs;
}
if (type_string=="inhom_inequalities") {
return Type::inhom_inequalities;
}
if (type_string=="dehomogenization") {
return Type::dehomogenization;
}
if (type_string=="5"||type_string=="equations") {
return Type::equations;
}
if (type_string=="inhom_equations") {
return Type::inhom_equations;
}
if (type_string=="6"||type_string=="congruences") {
return Type::congruences;
}
if (type_string=="inhom_congruences") {
return Type::inhom_congruences;
}
if (type_string=="signs") {
return Type::signs;
}
if (type_string=="10"||type_string=="lattice_ideal") {
return Type::lattice_ideal;
}
if (type_string=="grading") {
return Type::grading;
}
if (type_string=="excluded_faces") {
return Type::excluded_faces;
}
if (type_string=="lattice") {
return Type::lattice;
}
if (type_string=="saturation") {
return Type::saturation;
}
if (type_string=="cone") {
return Type::cone;
}
if (type_string=="offset") {
return Type::offset;
}
if (type_string=="vertices") {
return Type::vertices;
}
if (type_string=="support_hyperplanes") {
return Type::support_hyperplanes;
}
if (type_string=="cone_and_lattice") {
return Type::cone_and_lattice;
}
if (type_string=="subspace") {
return Type::subspace;
}
if (type_string=="open_facets") {
return Type::open_facets;
}
if (type_string=="projection_coordinates") {
return Type::projection_coordinates;
}
if (type_string=="hilbert_basis_rec_cone") {
return Type::hilbert_basis_rec_cone;
}
if (type_string=="extreme_rays") {
return Type::extreme_rays;
}
throw BadInputException("Unknown type \"" + type_string + "\"!");
return Type::integral_closure;
}
long type_nr_columns_correction(InputType t) {
if (t == Type::polytope || t == Type::rees_algebra)
return -1;
if (t == Type::congruences || t == Type::vertices || t == Type::polyhedron
|| t == Type::inhom_inequalities || t == Type::inhom_equations || t == Type::hilbert_basis_rec_cone)
return 1;
if (t == Type::inhom_congruences)
return 2;
return 0;
}
/* returns true if the input of this type is a vector */
bool type_is_vector(InputType type){
if (type == Type::grading || type == Type::signs || type == Type::strict_signs
|| type == Type::dehomogenization || type == Type::offset || type==Type::open_facets
|| type==Type::projection_coordinates) {
return true;
}
return false;
}
} /* end namespace libnormaliz */
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