To imitate disabled compression, set epsilon to 1e-16

1e-18 was too high. It was making the creation of the H-Matrix running for too long.

src/main.c

@@ -38,7 +38,7 @@ int main(int argc, char **argv) {
     } else if(strncmp(compression, "high", 4) == 0) {
       epsilon = 1e-10;
     } else if(strncmp(compression, "disabled", 6) == 0) {
-      epsilon = 1e-18;
+      epsilon = 1e-16;
     }
   } else {
     compression = "low";