mpreduce: Don't stop bit scanner too early.

[u/mdw/catacomb] / mpreduce.c

diff --git a/mpreduce.c b/mpreduce.c
index 52e86a1..02ce2cf 100644 (file)
--- a/mpreduce.c
+++ b/mpreduce.c
@@ -105,7 +105,7 @@ int mpreduce_create(mpreduce *r, mp *p)
   st = Z;
 #endif
 
-  for (i = 0, mp_scan(&sc, p); i < d  - 1 && mp_step(&sc); i++) {
+  for (i = 0, mp_scan(&sc, p); i < d && mp_step(&sc); i++) {
     switch (st | mp_bit(&sc)) {
       case  Z | 1: st = Z1; break;
       case Z1 | 0: st =  Z; op = MPRI_SUB; goto instr;