GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#############################################################################
##
## HAPPRIME - singular.gd
## Functions, Operations and Methods to interface with singular
## Paul Smith
##
## Copyright (C) 2008
## Paul Smith
## National University of Ireland Galway
##
## This file is part of HAPprime.
##
## HAPprime 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 of the License, or
## (at your option) any later version.
##
## HAPprime 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/>.
##
## $Id: singular.gd 334 2008-10-22 16:13:30Z pas $
##
#############################################################################
DeclareAttribute("SingularGroebnerBasis", IsPolynomialRingIdeal);
DeclareAttribute("SingularReducedGroebnerBasis", IsPolynomialRingIdeal);
DeclareOperation("SingularSetNormalFormIdeal", [IsPolynomialRingIdeal]);
DeclareOperation("SingularSetNormalFormIdealNC", [IsPolynomialRingIdeal]);
DeclareOperation("SingularPolynomialNormalForm",
[IsPolynomial, IsPolynomialRingIdeal]);