summaryrefslogtreecommitdiffstats
path: root/libtommath/tommath.h
diff options
context:
space:
mode:
Diffstat (limited to 'libtommath/tommath.h')
-rw-r--r--libtommath/tommath.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libtommath/tommath.h b/libtommath/tommath.h
index 4547488..fc6b409 100644
--- a/libtommath/tommath.h
+++ b/libtommath/tommath.h
@@ -203,7 +203,7 @@ int mp_init_size(mp_int *a, int size);
/* ---> Basic Manipulations <--- */
#define mp_iszero(a) (((a)->used == 0) ? MP_YES : MP_NO)
-#define mp_iseven(a) ((((a)->used > 0) && (((a)->dp[0] & 1u) == 0u)) ? MP_YES : MP_NO)
+#define mp_iseven(a) ((((a)->used == 0) || (((a)->dp[0] & 1u) == 0u)) ? MP_YES : MP_NO)
#define mp_isodd(a) ((((a)->used > 0) && (((a)->dp[0] & 1u) == 1u)) ? MP_YES : MP_NO)
#define mp_isneg(a) (((a)->sign != MP_ZPOS) ? MP_YES : MP_NO)