public function testToParallax()
{
$stars = ['Proxima Centauri' => [Angle::mas(768.13), 1.30186, 0.01], 'Luhman 16' => [Angle::mas(500.51), 1.998, 0.01], 'Sirius' => [Angle::mas(379.21), 2.637, 0.01], 'WISE 0855-0710' => [Angle::mas(449), 2.23, 1]];
foreach ($stars as $star => $data) {
$parallax = $data[0];
$parsecs = $data[1];
$accuracy = $data[2];
$dist = Distance::pc($parsecs);
$this->assertEquals($parallax->mas, $dist->parallax->mas, $star, $accuracy);
}
}
/**
* Returns a new angle with the negation of this instance.
*
* @return static
*/
public function neg()
{
return Angle::mas($this->mas * -1);
}
