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# t/11_dmul.t - dmul tests
#
# Copyright (C) 2017  Libiquity LLC
#
# 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 qw(dadd dmul drhtz drhfz);

my @tests;
my $a;
my $b;
my $c;

@tests = (
	#    a      b         c
	[ 2   ,  2   ,  "4."    ],
	[ 1   ,  0.23,   ".23"  ],
	[ 0.23,  1   ,   ".23"  ],
	[ 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));
}