question: sets the value of this tuple to the vector difference of itself and tuple t1 this = this - t1 . concode_field_sep double w concode_elem_sep double x concode_elem_sep double y concode_elem_sep double z concode_elem_sep long serialVersionUID concode_field_sep void add concode_elem_sep void add concode_elem_sep void scaleAdd concode_elem_sep void scaleAdd concode_elem_sep void set concode_elem_sep void set concode_elem_sep void set concode_elem_sep void set concode_elem_sep void clampMax concode_elem_sep void clampMax concode_elem_sep boolean epsilonEquals concode_elem_sep void scale concode_elem_sep void scale concode_elem_sep void interpolate concode_elem_sep void interpolate concode_elem_sep void negate concode_elem_sep void negate concode_elem_sep int hashCode concode_elem_sep void absolute concode_elem_sep void absolute concode_elem_sep void get concode_elem_sep void get concode_elem_sep boolean equals concode_elem_sep void clampMin concode_elem_sep void clampMin concode_elem_sep String toString concode_elem_sep void clamp concode_elem_sep void clamp
target: void function ( Tuple4d arg0 ) { x -= arg0 . x ; y -= arg0 . y ; z -= arg0 . z ; w -= arg0 . w ; }