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<?php
use Litipk\BigNumbers\Decimal as Decimal;
use PHPUnit\Framework\TestCase;
/**
* @group sin
*/
class DecimalSinTest extends TestCase
{
public function sinProvider() {
// Some values providede by mathematica
return [
['1', '0.84147098480790', 14],
['123.123', '-0.56537391969733569', 17],
['15000000000', '0.69170450164193502844', 20]
];
}
* @dataProvider sinProvider
public function testSimple($nr, $answer, $digits)
$x = Decimal::fromString($nr);
$sinX = $x->sin($digits);
$this->assertTrue(
Decimal::fromString($answer)->equals($sinX),
"The answer must be " . $answer . ", but was " . $sinX
);
Litipk /
php-bignumbers
