1 files changed, 5 insertions, 8 deletions
diff --git a/bignum.c b/bignum.c
index 05df7c1683..828e0cb9aa 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1255,20 +1255,17 @@ rb_big_abs(x)
 */
 
 VALUE
-rb_big_rand(max)
+rb_big_rand(max, rand)
     VALUE max;
+    double rand;
 {
-    struct RBignum *v;
+    VALUE v;
     long len;
 
     len = RBIGNUM(max)->len;
-    v = RBIGNUM(bignew(len,1));
+    v = bignew(len,1);
     while (len--) {
-#ifdef HAVE_RANDOM
-	BDIGITS(v)[len] = random();
-#else
-	BDIGITS(v)[len] = rand();
-#endif
+	BDIGITS(v)[len] = ((USHORT)~0) * rand;
     }
 
     return rb_big_mod((VALUE)v, max);