log10: returns the base 10 logarithm for num : log10 « math.h « C / ANSI-C

1. C / ANSI-C
2. math.h
3. log10

log10: returns the base 10 logarithm for num

    

//Declaration: float log10f(float num); 
               double log10(double num); 
               long double log10l(long double num);  
 
    
  

  #include <math.h>
  #include <stdio.h>

  int main(void)
  {
    double val = 1.0;

    do {
      printf("%f %f\n", val, log10(val));
      val++;
    } while (val<11.0);

    return 0;
  }

         
/*
1.000000 0.000000
2.000000 0.301030
3.000000 0.477121
4.000000 0.602060
5.000000 0.698970
6.000000 0.778151
7.000000 0.845098
8.000000 0.903090
9.000000 0.954243
10.000000 1.000000
*/         

           
       

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