getNDim() public method

Returns the number of axis (dimensions) the NumArray
Since: 1.0.0
public getNDim ( ) : integer
return integer
Esempio n. 1
0
 /**
  * Combines all elements of an NumArray at a given axis with the `$callback`
  * function
  *
  * @param NumArray $numArray given NumArray
  * @param callback $callback callback function
  * @param int      $axis     given axis
  *
  * @return NumArray
  *
  * @throws InvalidArgumentException will be thrown, if axis is out of bounds
  *
  * @since 1.0.0
  */
 public static function reduceArray(NumArray $numArray, $callback, $axis)
 {
     if ($axis && $axis >= $numArray->getNDim()) {
         throw new InvalidArgumentException('Axis ' . $axis . ' out of bounds');
     }
     return new NumArray(self::reduceRecursive($numArray->getData(), $callback, $axis));
 }
Esempio n. 2
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 /**
  * Tests NumArray::getNDim
  */
 public function testNDim()
 {
     $numArray = new NumArray(1);
     $this->assertSame(0, $numArray->getNDim());
     $numArray = NumPHP::arange(1, 2);
     $this->assertSame(1, $numArray->getNDim());
     $numArray = NumPHP::arange(1, 6)->reshape(2, 3);
     $this->assertSame(2, $numArray->getNDim());
 }
Esempio n. 3
0
 /**
  * Tests if a NumArray is a vector
  *
  * @param NumArray $numArray given NumArray
  *
  * @return bool
  *
  * @since 1.0.0
  */
 public static function isVector(NumArray $numArray)
 {
     return $numArray->getNDim() === 1;
 }