libzahl

commit fd9c83cbb9d80a8108cd5112d12f475406b44a20
parent 7214b27058765ea3892061e846c601499892c48d
Author: Mattias Andrée <maandree@kth.se>
Date:   Fri, 13 May 2016 19:07:07 +0200

zptest: if n is even, let the witness be 2

Signed-off-by: Mattias Andrée <maandree@kth.se>

Diffstat:
M
src/zptest.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/zptest.c b/src/zptest.c
@@ -28,7 +28,7 @@ zptest(z_t witness, z_t n, int t)
 	}
 	if (unlikely(zeven(n))) {
 		if (witness)
-			SET(witness, n);
+			zsetu(witness, 2);
 		return NONPRIME;
 	}