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# Check that 16 digit mantissa's that are > 9007199254740992 (and that
# therefore exceed double precision) still get assigned correctly.
# We'll check that 16-digit mantissa's in the ranges
# 9307199254700000 .. 9307199254799999 and
# 9907199254800000 .. 9907199254899999 assign correctly.
use strict;
use Math::Decimal64 qw(:all);
print "1..7\n";
my $ok = 1;
my $check = Math::Decimal64::_testvalD64(1); # 9307199254740993e-15
$check -= Math::Decimal64->new('40993', -15); # 9307199254700000e-15
my $init = '93071992547';
my $suff = '00000';
my $addon = Exp10(-15);
if($check == Math::Decimal64->new($init . $suff, -15)) {print "ok 1\n"}
else {
warn "\n\$check: $check\n\$init: $init\n\$suff: $suff\n";
print "not ok 1\n";
}
for(1..99999) {
$suff++;
$suff = '0' . $suff while length($suff) < 5;
$check += $addon;
my $new = Math::Decimal64->new($init . $suff, -15);
unless($check == $new) {
warn "\n\$check: $check \$new: $new\n";
$ok = 0;
}
}
if($ok) { print "ok 2\n"}
else {print "not ok 2\n"}
if($check == Math::Decimal64->new('9307199254799999', -15)) {print "ok 3\n"}
else {
warn "\n\$check: $check\n";
print "not ok 3\n";
}
$check += Math::Decimal64->new('600000000000001', -15);
if($check == Math::Decimal64->new('99071992548', -10)) {print "ok 4\n"}
else {
warn "\$check: $check\n";
print "not ok 4\n";
}
$init = '99071992548';
$suff = '00000';
if($check == Math::Decimal64->new($init . $suff, -15)) {print "ok 5\n"}
else {
warn "\n\$check: $check\n\$init: $init\n\$suff: $suff\n";
print "not ok 5\n";
}
$ok = 1;
for(1..99999) {
$suff++;
$suff = '0' . $suff while length($suff) < 5;
$check += $addon;
my $new = Math::Decimal64->new($init . $suff, -15);
unless($check == $new) {
warn "\n\$check: $check \$new: $new\n";
$ok = 0;
}
}
if($ok) { print "ok 6\n"}
else {print "not ok 6\n"}
if($check == Math::Decimal64->new('9907199254899999', -15)) {print "ok 7\n"}
else {
warn "\n\$check: $check\n";
print "not ok 7\n";
}