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@@ -119,18 +119,18 @@
 /* INDENT ON */
 
 
 double
 __k_tan(double x, double y, int k) {
-        double a, t, z, w, s, c, r, rh, xh, xl;
+        double a, t, z, w = 0.0L, s, c, r, rh, xh, xl;
         int i, j, hx, ix;
 
         t = one;
         hx = ((int *) &x)[HIWORD];
         ix = hx & 0x7fffffff;
-        if (ix < 0x3fc40000) {
-                if (ix < 0x3e400000) {
+        if (ix < 0x3fc40000) {          /* 0.15625 */
+                if (ix < 0x3e400000) {  /* 2^-27 */
                         if ((i = (int) x) == 0)         /* generate inexact */
                                 w = x;
                         t = y;
                 } else {
                         z = x * x;