+ kwws tests

test/kwwtest.c

@@ -70,6 +70,10 @@ int main(void) {
     test_one(&fail, 1e-14, kwwc(2e-1, .314), 0.8172678260275950679);
     test_one(&fail, 1e-14, kwwc(2e0 , .314), 0.0837197392901634224);
 
+    test_one(&fail, 1e-14, kwws(2e-5, .314), 0.01452905498350009518); // mode=1
+    test_one(&fail, 1e-14, kwws(2e-3, .314), 1.11472540368966655); // mode=2
+    test_one(&fail, 1e-14, kwws(2e-1, .314), 1.202467631193444353); // mode=3
+
     printf("#####################################\n");
     if (fail) {
         printf("IN TOTAL, FAILURE IN %i TESTS\n", fail);