Floor() Function in C Programmingfloor() in MathematicsThe floor() function in mathematics requires a real number, and it computes the greatest integer that can either be less than or equals to the value of x. floor() in C ProgrammingIt is a function that is defined in math.h header file and other similar functions enable the user to perform certain mathematical operations so easy further computations. The floor() function takes a value from the user and returns the double value that is less than or equal to the value of x. Syntax for using floor()The function's return type is double, which takes a numerical argument. It can also be int, float, or any other datatype that can hold numerical value. Thus, the syntax is as follows: Implementing floor() in a C ProgramBelow is the code for implementing the floor() function in C language: Output: Explanation: We have used the function in three different ways in the above program. We have first directly printed the floor value using the printf() statement without storing the computed value in any variable. In the second method we have storing the value computed using the variable floor. Then we used the value stored in the variable to print the output. In the last method, we have directly used a numerical value as the input parameter in the function and have stored the value in the variable, which is to be printed.
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