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-rw-r--r--src/bdd/cudd/cuddInteract.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/bdd/cudd/cuddInteract.c b/src/bdd/cudd/cuddInteract.c
index e4c1fe5a..27e53a47 100644
--- a/src/bdd/cudd/cuddInteract.c
+++ b/src/bdd/cudd/cuddInteract.c
@@ -238,7 +238,7 @@ cuddInitInteract(
DdManager * table)
{
int i,j,k;
- int words;
+ ABC_UINT64_T words;
long *interact;
int *support;
DdNode *f;
@@ -248,7 +248,7 @@ cuddInitInteract(
int n = table->size;
words = ((n * (n-1)) >> (1 + LOGBPL)) + 1;
- table->interact = interact = ABC_ALLOC(long,words);
+ table->interact = interact = ABC_ALLOC(long,(unsigned)words);
if (interact == NULL) {
table->errorCode = CUDD_MEMORY_OUT;
return(0);