#  Copyright (c) 1997-2021
#  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.
#-------------------------------------------------------------------------------

# convert topaz::ORIENTATION from Array<Bool> to Array<Int>

upgrade 4.1.1 topaz::ORIENTATION {
    my ($obj) = @_;
    $obj->{_type} =~ s/Bool/Int/;

    my $ref = $obj->{"ORIENTATION"};
    for (my $i=0; $i<$ref->size(); $i++) {
        $ref->[$i] =  ($ref->[$i]) ? 1 : -1;
    }
    return 1;
}

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# mode: perl
# cperl-indent-level: 3
# indent-tabs-mode:nil
# End:
