print $a eq "123.456" ? "ok 44\n" : "not ok 44 # $a\n";
$a = 1e34; "$a";
-print $a eq "1e+34" || $a eq "1e+034" ? "ok 45\n" : "not ok 45 $a\n";
+unless ($^O eq 'posix-bc')
+{ print $a eq "1e+34" || $a eq "1e+034" ? "ok 45\n" : "not ok 45 $a\n"; }
+else
+{ print "ok 45 # skipped on $^O\n"; }
# see bug #15073