floor : floor « math.h « C Tutorial






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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.


  1. Given 1.02, floor() would return 1.0.
  2. Given -1.02, floor() would return -2.0.
#include <math.h>
  #include <stdio.h>

  int main(void)
  {

    printf("%f", floor(10.9));
 
  }

10.000000








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