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<?php
use Litipk\BigNumbers\Decimal as Decimal;
use PHPUnit\Framework\TestCase;
/**
* @group arccsc
*/
class DecimalArccscTest extends TestCase
{
public function arccscProvider() {
// Some values provided by wolframalpha
return [
['25.546', '0.03915507577327', 14],
['1.5', '0.729728', 6],
['1', '1.57079632679489662', 17],
['-1', '-1.57079632679489662', 17],
];
}
* @dataProvider arccscProvider
public function testSimple($nr, $answer, $digits)
$x = Decimal::fromString($nr);
$arccscX = $x->arccsc($digits);
$this->assertTrue(
Decimal::fromString($answer)->equals($arccscX),
"The answer must be " . $answer . ", but was " . $arccscX
);
* @expectedException \DomainException
* @expectedExceptionMessage The arccosecant of this number is undefined.
public function testArccscBetweenOneAndNegativeOne()
Decimal::fromString('0.546')->arccsc();
Litipk /
php-bignumbers
