func (v Vec) Approx(v2 Vec) bool {
	if !f64.Approx(v.X, v2.X) {
		return false
	}
	if !f64.Approx(v.Y, v2.Y) {
		return false
	}
	return true
}
func (v Vec) Approx(v2 Vec) bool {
	if !f64.Approx(v.X, v2.X) {
		return false
	}
	if !f64.Approx(v.Y, v2.Y) {
		return false
	}
	return true
}
func ( v Vec ) Approx ( v2 Vec ) bool { if ! f64 . Approx ( v . X , v2 . X ) { return false } if ! f64 . Approx ( v . Y , v2 . Y ) { return false } return true }
// Approx reports wether v2 is approximately equal to v.
//
// Element-wise approximation uses f64.Approx()
Approx reports wether v2 is approximately equal to v . Element - wise approximation uses f64 . Approx ()