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<?php
use Litipk\BigNumbers\Decimal as Decimal;
use PHPUnit\Framework\TestCase;
/**
* @group arccot
*/
class DecimalArccotTest extends TestCase
{
public function arccotProvider() {
// Some values provided by wolframalpha
return [
['0.154', '1.41799671285823', 14],
['0', '1.57079632679489662', 17],
['-1', '-0.78540', 5],
];
}
* @dataProvider arccotProvider
public function testSimple($nr, $answer, $digits)
$x = Decimal::fromString($nr);
$arccotX = $x->arccot($digits);
$this->assertTrue(
Decimal::fromString($answer)->equals($arccotX),
"The answer must be " . $answer . ", but was " . $arccotX
);
Litipk /
php-bignumbers
