factor: simplify table count

* src/factor.c (PRIMES_PTAB_ENTRIES): Simplify.

diff --git a/src/factor.c b/src/factor.c
index 9b90dbab0deab2d40ce0cc2509f564e55cf2dbbe..4bb4d4a53a4542e89b001397da2fe17f36524dcf 100644 (file)
--- a/src/factor.c
+++ b/src/factor.c
@@ -637,8 +637,7 @@ static const unsigned char primes_diff[] = {
 };
 #undef P
 
-#define PRIMES_PTAB_ENTRIES \
-  (sizeof (primes_diff) / sizeof (primes_diff[0]) - 8 + 1)
+#define PRIMES_PTAB_ENTRIES (ARRAY_CARDINALITY (primes_diff) - 8 + 1)
 
 #define P(a,b,c,d) b,
 static const unsigned char primes_diff8[] = {