simplify test output

test/kwwtest.c

@@ -32,9 +32,11 @@ void test_one(int* fail, double limit, double a, double b)
 {
     static int num = 0;
     double re = relerr(a,b);
+    if (re==0)
+        return;
     int ok = re<=limit;
     printf(ok ? "   " : "ERR");
-    printf(" test case %i: found=%g, expected=%g, relerr=%g", num, a, b, re);
+    printf(" test case %i: found=%g, expected=%g, relerr=%g\n", num, a, b, re);
     ++num;
     if (!ok)
         ++(*fail);
@@ -78,7 +80,7 @@ int main(void) {
     test_one(&fail, 1e-14, kwwp(5e-3, .459), 0.01185130685163975767); // mode=2
     test_one(&fail, 1e-14, kwwp(2e-2, .459), 0.04668285680895551543); // mode=1
 
-    printf("#####################################\n");
+    printf("\n");
     if (fail) {
         printf("IN TOTAL, FAILURE IN %i TESTS\n", fail);
         return 1;