refactoring

[pspp] / src / language / stats / ctables.c

diff --git a/src/language/stats/ctables.c b/src/language/stats/ctables.c
index 57e547376ac639da1e1aec5a8a70802e12789d8d..5f7162fd2ad39134ce65c38130f1d231548cba1a 100644 (file)
--- a/src/language/stats/ctables.c
+++ b/src/language/stats/ctables.c
@@ -4691,6 +4691,18 @@ ctables_prepare_table (struct ctables_table *t)
                     continue;
                   }
 
+                enum pivot_axis_type ata, atb;
+                if (at == CTAT_ROW || at == CTAT_LAYERROW)
+                  {
+                    ata = PIVOT_AXIS_ROW;
+                    atb = PIVOT_AXIS_COLUMN;
+                  }
+                else if (at == CTAT_COL || at == CTAT_LAYERCOL)
+                  {
+                    ata = PIVOT_AXIS_COLUMN;
+                    atb = PIVOT_AXIS_ROW;
+                  }
+
                 size_t n_drop = 0;
                 bool drop_inner = false;
                 switch (at)
@@ -4702,57 +4714,34 @@ ctables_prepare_table (struct ctables_table *t)
                       n_drop = a == t->clabels_from_axis ? 2 : 0;
                     else
                       {
+                        n_drop = a != PIVOT_AXIS_LAYER && a != t->clabels_from_axis;
                         drop_inner = a == t->clabels_from_axis;
-                        n_drop = a != t->clabels_from_axis && a != PIVOT_AXIS_LAYER;
                       }
                     break;
 
                   case CTAT_LAYERROW:
-                    n_drop = a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN;
-                    break;
-
                   case CTAT_LAYERCOL:
-                    n_drop = a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW;
+                    n_drop = a == ata && t->label_axis[ata] == atb;
                     break;
 
                   case CTAT_ROW:
-                    if (a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN)
-                      n_drop = 0;
-                    else if (a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
-                      {
-                        drop_inner = true;
-                        n_drop = 0;
-                      }
-                    else if (a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_LAYER)
-                      {
-                        drop_inner = true;
-                        n_drop = 0;
-                      }
-                    else
-                      {
-                        n_drop = a == PIVOT_AXIS_COLUMN;
-                        if (a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN)
-                          n_drop++;
-                      }
-                    break;
-
                   case CTAT_COL:
-                    if (a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_COLUMN)
+                    if (a == atb && t->label_axis[ata] == atb)
+                      n_drop = 0;
+                    else if (a == atb && t->label_axis[atb] == ata)
                       {
                         drop_inner = true;
                         n_drop = 0;
                       }
-                    else if (a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
-                      n_drop = 0;
-                    else if (a == PIVOT_AXIS_ROW && t->label_axis[PIVOT_AXIS_ROW] == PIVOT_AXIS_LAYER)
+                    else if (a == atb && t->label_axis[atb] == PIVOT_AXIS_LAYER)
                       {
                         drop_inner = true;
                         n_drop = 0;
                       }
                     else
                       {
-                        n_drop = a == PIVOT_AXIS_ROW;
-                        if (a == PIVOT_AXIS_COLUMN && t->label_axis[PIVOT_AXIS_COLUMN] == PIVOT_AXIS_ROW)
+                        n_drop = a == atb;
+                        if (a == ata && t->label_axis[ata] == atb)
                           n_drop++;
                       }
                     break;