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--TEST--
Decimal::pow
--SKIPIF--
<?php
if (!extension_loaded("decimal")) echo "skip";
?>
--FILE--
<?php
use Decimal\Decimal;
/**
* Shortcut to construct a new decimal.
*/
function decimal(...$args) { return new Decimal(...$args); }
$tests = [
/* A ** B = C */
[decimal(1) / decimal(3), "2.0", "0.1111111111111111111111111111"],
[decimal(1) / decimal(3), "1.5", "0.1924500897298752548363829268"],
[decimal(1) / decimal(3), "100", "1.940325217482632837588506009E-48"],
[decimal(1, 50) / decimal(3), "100", "1.9403252174826328375885060288046503812141166864962E-48"],
[decimal("0"), "0", pow(0, 0)],
[decimal("0"), "1", pow(0, 1)],
[decimal("1"), "-2", pow(1, -2)],
[decimal("1"), "-1", pow(1, -1)],
[decimal("1"), "0", pow(1, 0)],
[decimal("1"), "1", pow(1, 1)],
[decimal("1"), "2", pow(1, 2)],
[decimal("-1"), "-2", pow(-1, -2)],
[decimal("-1"), "-1", pow(-1, -1)],
[decimal("-1"), "0", pow(-1, 0)],
[decimal("-1"), "1", pow(-1, 1)],
[decimal("-1"), "2", pow(-1, 2)],
[decimal("0.7"), "1000", "1.253256639965718318107554832E-155"],
/* Test pow by self */
[$a = decimal("1.2345678"), $a, "1.297123731240147537684763557"],
];
foreach ($tests as $test) {
list($op1, $op2, $expect) = $test;
$results = [
$op1->pow(decimal($op2)),
$op1->pow($op2),
$op1 ** decimal($op2),
$op1 ** $op2,
];
foreach ($results as $result) {
if (!$result instanceof Decimal || (string) $result !== (string) $expect) {
print_r(compact("op1", "op2", "result", "expect"));
break;
}
}
}
?>
--EXPECTF--
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