44 lines
834 B
PHP
44 lines
834 B
PHP
--TEST--
|
|
gmp_perfect_power(): Check if number is a perfect power
|
|
--SKIPIF--
|
|
<?php if (!extension_loaded('gmp')) die('skip gmp extension not loaded'); ?>
|
|
--FILE--
|
|
<?php
|
|
|
|
var_dump(gmp_perfect_power(0));
|
|
var_dump(gmp_perfect_power(1));
|
|
var_dump(gmp_perfect_power(2));
|
|
var_dump(gmp_perfect_power(4));
|
|
var_dump(gmp_perfect_power(6));
|
|
var_dump(gmp_perfect_power(8));
|
|
echo "\n";
|
|
|
|
var_dump(gmp_perfect_power(-1));
|
|
var_dump(gmp_perfect_power(-2));
|
|
var_dump(gmp_perfect_power(-4));
|
|
var_dump(gmp_perfect_power(-6));
|
|
var_dump(gmp_perfect_power(-8));
|
|
echo "\n";
|
|
|
|
$n = gmp_init("7442665456261594668083173595997");
|
|
var_dump(gmp_perfect_power($n));
|
|
var_dump(gmp_perfect_power($n+1));
|
|
|
|
?>
|
|
--EXPECT--
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
|
|
bool(true)
|
|
bool(false)
|