replace some hash table usage by tuples

Previously I used hash tables, which consume too much memory.  Now the
critical parts are replaced by a new hand-written library called
"tuple.h".  Now we can easily parse larger inputs.  I haven't tested
its limits, though.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/ht.c b/src/ht.c
index 770eff6..de1db2d 100644
--- a/src/ht.c
+++ b/src/ht.c
@@ -541,7 +541,7 @@ pair4_hf(CCR_MOD(void *) key) {
          ((pair4 *) key)->x,
          ((pair4 *) key)->y,
          ((pair4 *) key)->z,
-         ((pair4 *) key)->w);
+         ((pair4 *) key)->u);
 
   /* fleprintf("Hash of (%ld, %ld, %ld) is %ld\n",
    *           ((pair3 *) key)->x,
@@ -564,7 +564,7 @@ pair4_cf(CCR_MOD(void *) keya, CCR_MOD(void *) keyb) {
   return ((pair4 *) keya)->x == ((pair4 *) keyb)->x &&
     ((pair4 *) keya)->y == ((pair4 *) keyb)->y &&
     ((pair4 *) keya)->z == ((pair4 *) keyb)->z &&
-    ((pair4 *) keya)->w == ((pair4 *) keyb)->w;
+    ((pair4 *) keya)->u == ((pair4 *) keyb)->u;
 }
 
 ht *