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--TEST--
Decimal::exp
--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); }
$tests = [
[decimal("-0.1", 50), "0.90483741803595957316424905944643662119470536098040", 50],
[decimal( "0.1", 50), "1.1051709180756476248117078264902466682245471947375", 50],
[decimal(), "1", 28],
[decimal("-INF"), "0", 28],
[decimal( "NAN"), "NAN", 28],
[decimal( "INF"), "INF", 28],
];
foreach ($tests as $test) {
list($op1, $expect, $precision) = $test;
$result = $op1->exp();
if ((string) $result !== $expect || $result->precision() !== $precision) {
print_r(compact("number", "result", "expect", "precision"));
}
}
/* Test that exp does not modify the original */
$number = decimal("2");
$result = $number->exp();
if ((string) $number !== "2") {
var_dump("Mutated!", compact("number"));
}
?>
--EXPECT--
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