function getFloat32( arr, idx ) {
	return arr[ idx ];
}
Returns an element from a `Float32Array`.

@private
@param {Float32Array} arr - input array
@param {NonNegativeInteger} idx - element index
@returns {number} element value

@example
var Float32Array = require( '@stdlib/array/float32' );

var arr = new Float32Array( [ 1, 2, 3, 4 ] );

var v = getFloat32( arr, 2 );
// returns 3.0