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==floor==

Item
Value
Header file
math.h
Declaration
float floorf(float num);double floor(double num);long double floorl(long double num);
Return
returns the largest integer (represented as a floating-point value) not greater than num.
<OL><LI>Given 1.02, floor() would return 1.0.</LI><LI>Given -1.02, floor() would return -2.0.</LI></OL>

   
<source lang="cpp">#include <math.h>
  #include <stdio.h>
  int main(void)
  {
    printf("%f", floor(10.9));
 
  }</source>