--TEST--
log() tests
--FILE--
<?php // $Id$
echo "On failure, please mail result to php-dev@lists.php.net\n";
for ($x = 0, $count= 0; $x < 200; $x++) {
$x2 = (int) exp(log($x));
// e ^ log(x) should be close in range to x
if (($x2 < ($x + 2)) && ($x2 > ($x - 2))) {
$count++;
} else {
print "$x : $x2\n";
}
}
print $count . "\n";
// Now test the base form of log
for ($base = 2; $base < 11; $base++) {
for ($x = 0, $count= 0; $x < 50; $x++) {
$x2 = (int) pow($base, log($x, $base));
// base ^ log(x) should be close in range to x
if (($x2 < ($x + 2)) && ($x2 > ($x - 2))) {
$count++;
} else {
print "base $base: $x : $x2\n";
}
}
print $count . "\n";
}
?>
--EXPECT--
On failure, please mail result to php-dev@lists.php.net
200
50
50
50
50
50
50
50
50
50
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