- size_t n_drop = (a == PIVOT_AXIS_LAYER ? 0
- : a == PIVOT_AXIS_ROW ? 2
- : 0);
- for (size_t i = 0; i < n_drop; i++)
- if (nest->n_areas[at] > 0)
- nest->n_areas[at]--;
- continue;
+ if (t->clabels_to_axis != PIVOT_AXIS_LAYER)
+ n_drop = a == t->clabels_from_axis ? 2 : 0;
+ else
+ {
+ drop_inner = a == t->clabels_from_axis;
+ n_drop = a != t->clabels_from_axis && a != PIVOT_AXIS_LAYER;
+ }
+ }
+ else if (at == CTAT_ROW && a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN)
+ n_drop = 0;
+ else if (at == CTAT_ROW && a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
+ {
+ drop_inner = true;
+ n_drop = 0;
+ }
+ else if (at == CTAT_ROW && a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_LAYER)
+ {
+ drop_inner = true;
+ n_drop = 0;
+ }
+ else if (at == CTAT_COL && a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN)
+ {
+ drop_inner = true;
+ n_drop = 0;
+ }
+ else if (at == CTAT_COL && a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
+ n_drop = 0;
+ else if (at == CTAT_COL && a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_LAYER)
+ {
+ drop_inner = true;
+ n_drop = 0;
+ }
+ else if (at == CTAT_LAYERROW)
+ n_drop = a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN;
+ else if (at == CTAT_LAYERCOL)
+ n_drop = a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW;
+ else if (at == CTAT_SUBTABLE)
+ n_drop = a != PIVOT_AXIS_LAYER;
+ else if (at == CTAT_ROW)
+ {
+ n_drop = a == PIVOT_AXIS_COLUMN;
+ if (a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN)
+ n_drop++;
+ }
+ else if (at == CTAT_COL)
+ {
+ n_drop = a == PIVOT_AXIS_ROW;
+ if (a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
+ n_drop++;
+ }
+ else
+ {
+ n_drop = 0;