* function used to generate normalized random numbers.
* Values include 15, 16, 31, and 48.
*/
-#define Drand01() rand() /**/
+#define Drand01() (rand()/(double)((unsigned)1<<RANDBITS)) /**/
#define Rand_seed_t unsigned /**/
#define seedDrand01(x) srand((Rand_seed_t)x) /**/
#define RANDBITS 15 /**/