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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# 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 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# 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.
#-------------------------------------------------------------------------------
# SimplicialComplex::MINIMAL_NON_FACES changed type: Array<Set> -> IncidenceMatrix
# guess column number from N_VERTICES or FACETS if possible
upgrade 4.5.1 topaz::SimplicialComplex {
my ($obj) = @_;
my $mnf;
# no cols attribute at the end for this incidencematrix
if (defined($mnf = $obj->{MINIMAL_NON_FACES}) &&
is_array($mnf) && (@$mnf == 0 || !is_hash($mnf->[-1]))) {
# check n_vertices first
my $nvert = $obj->{N_VERTICES};
# deduce from facets
if (!defined($nvert) && defined(my $f = $obj->{FACETS})) {
$nvert = List::Util::max(map {List::Util::max(@$_)} @$f);
# +1 unless empty set as single facet
$nvert +=1 if (defined $nvert);
}
if (defined($nvert)) {
push(@$mnf, { cols => $nvert });
true
}
}
}
# Local Variables:
# mode: perl
# cperl-indent-level: 3
# indent-tabs-mode:nil
# End:
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