James H's Palm-compatibility updates to the latest Loopy changes,

[sgt/puzzles] / dsf.c

diff --git a/dsf.c b/dsf.c
index f4deb1e..ecb2858 100644 (file)
--- a/dsf.c
+++ b/dsf.c
@@ -9,7 +9,7 @@
 
 #include "puzzles.h"
 
-void print_dsf(int *dsf, int size)
+/*void print_dsf(int *dsf, int size)
 {
     int *printed_elements = snewn(size, int);
     int *equal_elements = snewn(size, int);
@@ -58,19 +58,25 @@ done:
     sfree(printed_elements);
     sfree(equal_elements);
     sfree(inverse_elements);
-}
+}*/
 
-int *snew_dsf(int size)
+void dsf_init(int *dsf, int size)
 {
     int i;
-    int *ret;
-    
-    ret = snewn(size, int);
+
     for (i = 0; i < size; i++) {
         /* Bottom bit of each element of this array stores whether that element
          * is opposite to its parent, which starts off as false */
-        ret[i] = i << 1; 
+        dsf[i] = i << 1;
     }
+}
+
+int *snew_dsf(int size)
+{
+    int *ret;
+    
+    ret = snewn(size, int);
+    dsf_init(ret, size);
 
     /*print_dsf(ret, size); */