| public static getSplinePoints ( $source, array $args = [] ) : array | ||
| $source | The source of our approximation. Should be either a callback function or a set of arrays. | |
| $args | array | The arguments of our callback function: derivative, start, end, and n. Example: [$derivative, 0, 8, 5]. If $source is a set of arrays, $args will default to []. |
| Результат | array | |
public static function getSplinePoints($source, array $args = []) : array
{
if (is_callable($source)) {
$function = $source;
$derivative = $args[0];
$start = $args[1];
$end = $args[2];
$n = $args[3];
$points = self::functionToSplinePoints($function, $derivative, $start, $end, $n);
} elseif (is_array($source)) {
$points = $source;
} else {
throw new Exception\BadDataException("Input source is incorrect. You need to input either a callback function or a set of arrays");
}
return $points;
} public function testIncorrectInput()
{
// The input $source is neither a callback or a set of arrays
$this->setExpectedException('MathPHP\\Exception\\BadDataException');
$x = 10;
$incorrectFunction = $x ** 2 + 2 * $x + 1;
ClampedCubicSpline::getSplinePoints($incorrectFunction, [0, 4, 5]);
}
