10000,
    100000,
    1000000,
    10000000,
    100000000
};

static const Tcl_WideUInt wtens[] = {
    1, 10, 100, 1000, 10000, 100000, 1000000,
    (Tcl_WideUInt) 1000000*10, 		(Tcl_WideUInt) 1000000*100,
    (Tcl_WideUInt) 1000000*1000, 	(Tcl_WideUInt) 1000000*10000,
    (Tcl_WideUInt) 1000000*100000, 	(Tcl_WideUInt) 1000000*1000000,
    (Tcl_WideUInt) 1000000*1000000*10, 	(Tcl_WideUInt) 1000000*1000000*100,
    (Tcl_WideUInt) 1000000*1000000*1000,(Tcl_WideUInt) 1000000*1000000*10000
};

static const double bigtens[] = {
    1e016, 1e032, 1e064, 1e128, 1e256
};
#define N_BIGTENS 5

static const int log2pow5[27] = {
    01,  3,  5,  7, 10, 12, 14, 17, 19, 21,