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function compare_rect_position(a,b){
if (a[0].x.a < b[0].x.a) {
return -1
}
if (a[0].x.a > b[0].x.a) {
return 1
}
if (a[0].y.a < b[0].y.a) {
return -1
}
if (a[0].y.a > b[0].y.a) {
return 1
}
return 0
}
function compare_car_reversed (a,b){
if (a[0] < b[0]) {
return 1
}
if (a[0] > b[0]) {
return -1
}
return 0
}
function compare_car (a,b){
if (a[0] < b[0]) {
return -1
}
if (a[0] > b[0]) {
return 1
}
return 0
}
function room_id_tuple (r){ return [r.id, r] }
function room_height_tuple (r){ return [r.height, r] }
function room_area_tuple (r){ return [r.rect.area(), r] }
function rect_area_tuple (r){ return [r.area(), r] }
function room_rect_tuple (r){ return [r.rect, r] }
function identity_tuple (r){ return [r, r] }
function car (r){ return r[0] }
function cdr (r){ return r[1] }
function sort_rooms_by_id(list){
return list.map(room_id_tuple)
.sort(compare_car)
.map(cdr)
}
function sort_rooms_by_height(list){
return list.map(room_height_tuple)
.sort(compare_car)
.map(cdr)
}
function sort_rooms_by_position(list){
return list.map(room_rect_tuple)
.sort(compare_rect_position)
.map(cdr)
}
function sort_rooms_by_area(list){
return list.map(room_area_tuple))
.sort(compare_rect_area)
.map(cdr)
}
function sort_rects_by_position(list){
return list.map(identity_tuple)
.sort(compare_rect_position)
.map(cdr)
}
function sort_rects_by_area(list){
return list.map(rect_area_tuple)
.sort(compare_rect_area)
.map(cdr)
}
function compare_z(a,b){
return a.rect.y.a < b.rect.y.a ? -1 : a.rect.y.a == b.rect.y.a ? 0 : 1
}
function compare_x(a,b){
return a.rect.x.a > b.rect.x.a ? -1 : a.rect.x.a == b.rect.x.a ? 0 : 1
}
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