function robustInternal( re1, im1, re2, im2 ) {
	var out;
	var r;
	var t;

	out = [ 0.0, 0.0 ];
	r = im2 / re2;
	t = 1.0 / ( re2 + (im2*r) );

	out[ 0 ] = internalCompreal( re1, im1, re2, im2, r, t );
	out[ 1 ] = internalCompreal( im1, -re1, re2, im2, r, t );
	return out;
}
Computes the complex division.

## Notes

-   See figure 10 of [reference][@baudin:2012].

[@baudin:2012]: https://arxiv.org/abs/1210.4539

@private
@param {number} re1 - real component
@param {number} im1 - imaginary component
@param {number} re2 - real component
@param {number} im2 - imaginary component
@returns {Array<number>} result