- size_t n_drop;
- bool drop_inner = false;
- if (at == CTAT_SUBTABLE
- && t->clabels_from_axis != PIVOT_AXIS_LAYER
- && t->clabels_to_axis != PIVOT_AXIS_LAYER)
- n_drop = a == t->clabels_from_axis ? 2 : 0;
- else if (at == CTAT_SUBTABLE
- && t->clabels_from_axis != PIVOT_AXIS_LAYER
- && t->clabels_to_axis == PIVOT_AXIS_LAYER)
- {
- 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_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_ROW && a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
- {
- drop_inner = true;
- 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_ROW && a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_LAYER)
- {
- drop_inner = true;
- n_drop = 0;
- }
- else
- {
- n_drop = 0;
- if (at == CTAT_SUBTABLE ? a != PIVOT_AXIS_LAYER
- : at == CTAT_ROW ? a == PIVOT_AXIS_COLUMN
- : at == CTAT_COL ? a == PIVOT_AXIS_ROW
- : false)
- n_drop++;
- if ((t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN && (at == CTAT_ROW || at == CTAT_LAYERROW) && a == PIVOT_AXIS_ROW)
- || (t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW && (at == CTAT_COL || at == CTAT_LAYERCOL) && a == PIVOT_AXIS_COLUMN))
- n_drop++;