/*  howdigs.cpp  by K.Tsuru  */
// since ver 2.18
/*****************************************
SNumber sub-function
It returns how many digits "x" has in radix "r" i.e.
a value x which satisfies a condition  x<= r^n.
e.g.   x = 25, r = 10 --> n = 2
*****************************************/
#ifndef TYPEDEF_H
#include "typedef.h"
#endif

uint howdigsrdx(long x, long r) {
    if(x < r) return x ? 1 : 0;
    uint n = 0;

    while(x){
        x /= r;     n++;
    }

    return n;
}