/**
* testCalculateInitialAndFinalBearingReturnsExpectedValue
*
* @param LatLong $latLong The starting point.
* @param LatLong $destination The destination.
* @param float $expectedInitial The expected initial bearing.
* @param float $expectedFinal The expected final bearing.
*
* @dataProvider getLatLongsWithBearings
*/
public function testCalculateInitialAndFinalBearingReturnsExpectedValue(LatLong $latLong, LatLong $destination, $expectedInitialBearing, $expectedFinalBearing)
{
$this->assertEquals($expectedInitialBearing, $latLong->calculateInitialBearing($destination));
$this->assertEquals($expectedFinalBearing, $latLong->calculateFinalBearing($destination));
}
/**
* Calculate the final bearing to follow from this point to arrive at the given destination.
*
* @param LatLong $destination The destination.
*
* @return float The bearing in decimal degrees.
*/
public function calculateFinalBearing(LatLong $destination)
{
$initialBearing = $destination->calculateInitialBearing($this);
return fmod($initialBearing + 180, 360);
}
