use warnings;
use strict;
use MyMod qw(:all);
print "1..1\n";
my $erf = erf(2);
if($erf > 0.99532226 && $erf < 0.99532227) {print "ok 1\n"}
else {print "not ok 1\n"};
use warnings;
use strict;
use MyMod qw(:all);
print "1..1\n";
my $erf = erf(2);
if($erf > 0.99532226 && $erf < 0.99532227) {print "ok 1\n"}
else {print "not ok 1\n"};