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#!./perl
print "1..45\n";
# First test whether the number stringification works okay.
# (Testing with == would exercize the IV/NV part, not the PV.)
$a = 1; "$a";
print $a eq "1" ? "ok 1\n" : "not ok 1 # $a\n";
$a = -1; "$a";
print $a eq "-1" ? "ok 2\n" : "not ok 2 # $a\n";
$a = 1.; "$a";
print $a eq "1" ? "ok 3\n" : "not ok 3 # $a\n";
$a = -1.; "$a";
print $a eq "-1" ? "ok 4\n" : "not ok 4 # $a\n";
$a = 0.1; "$a";
print $a eq "0.1" ? "ok 5\n" : "not ok 5 # $a\n";
$a = -0.1; "$a";
print $a eq "-0.1" ? "ok 6\n" : "not ok 6 # $a\n";
$a = .1; "$a";
print $a eq "0.1" ? "ok 7\n" : "not ok 7 # $a\n";
$a = -.1; "$a";
print $a eq "-0.1" ? "ok 8\n" : "not ok 8 # $a\n";
$a = 10.01; "$a";
print $a eq "10.01" ? "ok 9\n" : "not ok 9 # $a\n";
$a = 1e3; "$a";
print $a eq "1000" ? "ok 10\n" : "not ok 10 # $a\n";
$a = 10.01e3; "$a";
print $a eq "10010" ? "ok 11\n" : "not ok 11 # $a\n";
$a = 0b100; "$a";
print $a eq "4" ? "ok 12\n" : "not ok 12 # $a\n";
$a = 0100; "$a";
print $a eq "64" ? "ok 13\n" : "not ok 13 # $a\n";
$a = 0x100; "$a";
print $a eq "256" ? "ok 14\n" : "not ok 14 # $a\n";
$a = 1000; "$a";
print $a eq "1000" ? "ok 15\n" : "not ok 15 # $a\n";
# Okay, now test the numerics.
# We may be assuming too much, given the painfully well-known floating
# point sloppiness, but the following are still quite reasonable
# assumptions which if not working would confuse people quite badly.
$a = 1; "$a"; # Keep the stringification as a potential troublemaker.
print $a + 1 == 2 ? "ok 16\n" : "not ok 16 #" . $a + 1 . "\n";
# Don't know how useful printing the stringification of $a + 1 really is.
$a = -1; "$a";
print $a + 1 == 0 ? "ok 17\n" : "not ok 17 #" . $a + 1 . "\n";
$a = 1.; "$a";
print $a + 1 == 2 ? "ok 18\n" : "not ok 18 #" . $a + 1 . "\n";
$a = -1.; "$a";
print $a + 1 == 0 ? "ok 19\n" : "not ok 19 #" . $a + 1 . "\n";
sub ok { # Can't assume too much of floating point numbers.
my ($a, $b, $c);
abs($a - $b) <= $c;
}
$a = 0.1; "$a";
print ok($a + 1, 1.1, 0.05) ? "ok 20\n" : "not ok 20 #" . $a + 1 . "\n";
$a = -0.1; "$a";
print ok($a + 1, 0.9, 0.05) ? "ok 21\n" : "not ok 21 #" . $a + 1 . "\n";
$a = .1; "$a";
print ok($a + 1, 1.1, 0.005) ? "ok 22\n" : "not ok 22 #" . $a + 1 . "\n";
$a = -.1; "$a";
print ok($a + 1, 0.9, 0.05) ? "ok 23\n" : "not ok 23 #" . $a + 1 . "\n";
$a = 10.01; "$a";
print ok($a + 1, 11.01, 0.005) ? "ok 24\n" : "not ok 24 #" . $a + 1 . "\n";
$a = 1e3; "$a";
print $a + 1 == 1001 ? "ok 25\n" : "not ok 25 #" . $a + 1 . "\n";
$a = 10.01e3; "$a";
print $a + 1 == 10011 ? "ok 26\n" : "not ok 26 #" . $a + 1 . "\n";
$a = 0b100; "$a";
print $a + 1 == 0b101 ? "ok 27\n" : "not ok 27 #" . $a + 1 . "\n";
$a = 0100; "$a";
print $a + 1 == 0101 ? "ok 28\n" : "not ok 28 #" . $a + 1 . "\n";
$a = 0x100; "$a";
print $a + 1 == 0x101 ? "ok 29\n" : "not ok 29 #" . $a + 1 . "\n";
$a = 1000; "$a";
print $a + 1 == 1001 ? "ok 30\n" : "not ok 30 #" . $a + 1 . "\n";
# back to some basic stringify tests
# we expect NV stringification to work according to C sprintf %.g rules
$a = 0.01; "$a";
print $a eq "0.01" ? "ok 31\n" : "not ok 31 # $a\n";
$a = 0.001; "$a";
print $a eq "0.001" ? "ok 32\n" : "not ok 32 # $a\n";
$a = 0.0001; "$a";
print $a eq "0.0001" ? "ok 33\n" : "not ok 33 # $a\n";
$a = 0.00009; "$a";
print $a eq "9e-05" || $a eq "9e-005" ? "ok 34\n" : "not ok 34 # $a\n";
$a = 1.1; "$a";
print $a eq "1.1" ? "ok 35\n" : "not ok 35 # $a\n";
$a = 1.01; "$a";
print $a eq "1.01" ? "ok 36\n" : "not ok 36 # $a\n";
$a = 1.001; "$a";
print $a eq "1.001" ? "ok 37\n" : "not ok 37 # $a\n";
$a = 1.0001; "$a";
print $a eq "1.0001" ? "ok 38\n" : "not ok 38 # $a\n";
$a = 1.00001; "$a";
print $a eq "1.00001" ? "ok 39\n" : "not ok 39 # $a\n";
$a = 1.000001; "$a";
print $a eq "1.000001" ? "ok 40\n" : "not ok 40 # $a\n";
$a = 0.; "$a";
print $a eq "0" ? "ok 41\n" : "not ok 41 # $a\n";
$a = 100000.; "$a";
print $a eq "100000" ? "ok 42\n" : "not ok 42 # $a\n";
$a = -100000.; "$a";
print $a eq "-100000" ? "ok 43\n" : "not ok 43 # $a\n";
$a = 123.456; "$a";
print $a eq "123.456" ? "ok 44\n" : "not ok 44 # $a\n";
$a = 1e30; "$a";
print $a eq "1e+30" || $a eq "1e+030" ? "ok 45\n" : "not ok 45 $a\n";
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