Math h C Tutorial

Item Value
Header filemath.h
Declarationfloat floorf(float num);double floor(double num);long double floorl(long double num);
Returnreturns the largest integer (represented as a floating-point value) not greater than num.
Given 1.02, floor() would return 1.0.
Given -1.02, floor() would return -2.0.

#include 
  #include 
  int main(void)
  {
    printf("%f", floor(10.9));
 
  }
10.000000