+
+/** Guess a stupid position for loose columns. Put loose columns at
+ regular distances from enclosing calced columns */
+void
+Spacing_problem::position_loose_cols(Vector &sol_vec)const
+{
+ if (!loose_col_arr_.size())
+ return ;
+ assert(sol_vec.dim());
+ Array<bool> fix_b_arr;
+ fix_b_arr.set_size(cols.size() + loose_col_arr_.size());
+ Real utter_right_f=-INFTY;
+ Real utter_left_f =INFTY;
+ for (int i=0; i < loose_col_arr_.size(); i++) {
+ fix_b_arr[loose_col_arr_[i].rank_i_] = false;
+ }
+ for (int i=0; i < cols.size(); i++) {
+ int r= cols[i].rank_i_;
+ fix_b_arr[r] = true;
+ utter_right_f = utter_right_f >? sol_vec(i);
+ utter_left_f = utter_left_f <? sol_vec(i);
+ }
+ Vector v(fix_b_arr.size());
+ int j =0;
+ int k =0;
+ for (int i=0; i < v.dim(); i++) {
+ if (fix_b_arr[i]) {
+ assert(cols[j].rank_i_ == i);
+ v(i) = sol_vec(j++);
+ } else {
+ Real left_pos_f =
+ (j>0) ?sol_vec(j-1) : utter_left_f;
+ Real right_pos_f =
+ (j < sol_vec.dim()) ? sol_vec(j) : utter_right_f;
+ int left_rank = (j>0) ? cols[j-1].rank_i_ : 0;
+ int right_rank = (j<sol_vec.dim()) ? cols[j].rank_i_ : sol_vec.dim();
+
+ int d_r = right_rank - left_rank;
+ Colinfo loose=loose_col_arr_[k++];
+ int r = loose.rank_i_ ;
+ assert(r > left_rank && r < right_rank);
+
+ v(i) = (r - left_rank)*left_pos_f/ d_r +
+ (right_rank - r) *right_pos_f /d_r;
+ }
+ }
+ sol_vec = v;
+}
+
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