//Declaration: float logbf(float num);
double logb(double num);
long double logbl(long double num);
#include <math.h>
#include <stdio.h>
int main(void)
{
double val = 1.0;
do {
printf("%f %f\n", val, logb(val));
val++;
} while (val<11.0);
return 0;
}
/*
1.000000 0.000000
2.000000 1.000000
3.000000 1.000000
4.000000 2.000000
5.000000 2.000000
6.000000 2.000000
7.000000 2.000000
8.000000 3.000000
9.000000 3.000000
10.000000 3.000000
*/
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