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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.
#-------------------------------------------------------------------------------
# transform EHRHART_POLYNOMIAL_COEFF into EHRHART_POLYNOMIAL in Polytope
upgrade 3.2.1 polytope::Polytope.EHRHART_POLYNOMIAL_COEFF {
my ($obj, $prop) = @_;
$obj->{EHRHART_POLYNOMIAL} = vector2UniPolynomial(delete $obj->{$prop});
true
}
sub vector2UniPolynomial {
my ($vector) = @_;
my $index = 0;
my %polynomial;
foreach (@$vector) {
# add terms for non-zero coefficients
if ($_ ne "0") {
$polynomial{$index} = $_;
}
++$index;
}
[ \%polynomial ]
}
# Local Variables:
# mode: perl
# cperl-indent-level: 3
# indent-tabs-mode:nil
# End:
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