@@ -109,11 +109,11 @@
 
 #define i0      0
 
 long double
 __k_tanl(long double x, long double y, int k) {
-        long double a, t, z, w, s, c;
+        long double a, t, z, w = 0, s, c;
         int *pt = (int *) &t, *px = (int *) &x;
         int i, j, hx, ix;
 
         t = 1.0L;
         hx = px[i0];