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# t/10_dadd.t - dadd 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;
my $i;
@tests = (
# a b c
[ 1.23, 4.56, 5.79],
[-1.23, 4.56, 3.33],
[-1.23, -4.56, -5.79],
[ 9.95, 0.52, 10.47],
);
plan("tests" => scalar(@tests) + 1);
foreach (@tests) {
($a, $b, $c) = @{$_};
is(dadd($a, $b), $c, sprintf("%5.2f + %5.2f = %5.2f", $a, $b, $c));
}
$a = 0;
for ($i = 0; $i < 10000; ++$i) {
$a = dadd($a, 0.01);
}
is($a, "100.00", "adding 0.01 10000 times");
$a = 0;
for ($i = 0; $i < 10000; ++$i) {
$a += 0.01;
}
note("Using native floating-point arithmetic, the result is " . $a .
" (should be 100)");
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