+/* shortcut output for debugging */
+# define sc_print_hex(a) sc_print((a), 0, SC_HEX, 0)
+# define sc_print_dec(a) sc_print((a), 0, SC_DEC, 1)
+# define sc_print_oct(a) sc_print((a), 0, SC_OCT, 0)
+# define sc_print_bin(a) sc_print((a), 0, SC_BIN, 0)
+
+#ifdef STRCALC_DEBUG_PRINTCOMP
+# define DEBUGPRINTF_COMPUTATION(x) printf x
+#else
+# define DEBUGPRINTF_COMPUTATION(x) ((void)0)
+#endif