/**
* Repeat the card
*
* This method takes an instance of SM2 and a quality factor to update
* the flash card accordingly after a repetition.
*
* @param \Memorize\SM2 $SM2 An instance of an SM2 object
* @param int $quality The quality of the answer
*/
public function repeat($SM2, $quality)
{
if ($quality >= 3) {
$this->numberOfRepeats++;
} else {
$this->numberOfRepeats = 1;
}
$newFactor = $SM2->calcNewFactor($this->factor, $quality);
$this->factor = $newFactor;
$interval = $SM2->calcInterval($this->numberOfRepeats, $newFactor);
$this->nextTime = time() + $interval * 24 * 60 * 60;
}
/**
* calcNewFactor should always return a float.
*/
public function testFactorIsFloat()
{
$mem = new SM2();
$this->assertInternalType('float', $mem->calcNewFactor());
}
