C library function floor the c library function double floor double x returns the largest integer value less than or equal to x.
Floor function in math h.
251 7 25 type generic math tgmath h p.
There is only one macro defined in this library.
It is defined in math h header file.
If 2 3 is passed to ceil it will return 3.
Math h header file supports floor function in c language.
The math h header defines various mathematical functions and one macro.
Submitted by manu jemini on march 17 2018.
Additional overloads are provided in this header cmath for the integral types.
C floor prototype double floor double arg the floor function takes a single argument and returns the value in type double.
Double floor double x.
Floorf float x description the floor functions return the largest integral value less than or equal to x.
373 375 f 10 6 2 the floor functions p.
All the functions available in this library take double as an argument and return double as the result.
The floor function returns the largest integer that is smaller than or equal to x.
Floorl long double x float.
These overloads effectively cast x to a double before calculations defined for t being any integral type.
7 12 9 2 the floor functions p.
Floor double x long.
C11 standard iso iec 9899 2011.
In this article we are going to learn about the floor and ceil functions of math h header file in c language and use them with help of their examples.
Example round to largest integral value not greater than x.
Syntax for floor function in c is given below.
Header tgmath h provides a type generic macro version of this function.
Required header in the c language the required header for the floor function is.
Include math h double.
Some basic mathematical calculations are based on the concept of floor and ceiling.