floor function(Floor) in C Language - example and detail

In the C Programming Language, the floor feature returns the biggest integer that is smaller than or equal to x (ie: rounds downs the nearest integer).

Syntax

The syntax for the ground characteristic in the C Language is:

double floor(double x);

Parameters or Arguments

The value to round down to the nearest integer.

Returns

The floor characteristic returns the biggest integer that is smaller than or equal to x.

Required Header

In the C Language, the required header for the ground feature is:

#include <math.h>

Applies To

In the C Language, the flooring function can be used in the following versions:

ANSI/ISO 9899-1990

floor Example

/* Example using floor by TechOnTheNet.com */

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

int main(int argc, const char * argv[])
{
    /* Define temporary variables */
    double value;
    double result;

    /* Assign the value we will find the floor of */
    value = 1.6;

    /* Calculate the floor of value */
    result = floor(value);

    /* Display the result of the calculation */
    printf("The floor of %f is %f\n", value, result);

    return 0;
}

When compiled and run, this utility will output:

The floor of 1.600000 is 1.000000

Similar Functions

Other C functions that are comparable to the floor function:

ceil function <math.h>

floor function(Floor) in C Language – example and detail