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+# t/11_dmul.t - dmul tests
+#
+# Copyright (C) 2017 Patrick McDermott
+#
+# 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/>.
+
+use strict;
+use warnings;
+
+use Test::More;
+use Math::Decimal::FastPP;
+
+my @tests;
+my $a;
+my $b;
+my $c;
+
+@tests = (
+ # a b c
+ [ 1.23, 4.56, 5.6088],
+ [-1.23, 4.56, -5.6088],
+ [-1.23, -4.56, 5.6088],
+);
+
+plan("tests" => scalar(@tests));
+
+foreach (@tests) {
+ ($a, $b, $c) = @{$_};
+ is(dmul($a, $b), $c, sprintf("%5.2f * %5.2f = %7.4f", $a, $b, $c));
+}