For integral type.
Ceiling and floor in c.
In mathematics and computer science the floor and ceiling functions map a real number to the greatest preceding or the least succeeding integer respectively.
Long double floor long double x.
Float floor float x.
This method is used to find the smallest integer which is greater than or equal to the passed argument the celing method operates both functionalities in decimal and double.
Here x is the floating point value.
Round down value rounds x downward returning the largest integral value that is not greater than x.
Parameters or arguments x the value to round down to the nearest integer.
In the c language the floor function can be used in the following versions.
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In the c language the required header for the floor function is.
C library function floor the c library function double floor double x returns the largest integer value less than or equal to x.
The floor function in c returns the largest possible integer value which is less than or equal to the given argument.
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C library function ceil the c library function double ceil double x returns the smallest integer value greater than or equal to x.
Rounds downs the nearest integer.
This method can be overload by passing different arguments to it.
The floor function returns the largest integer that is smaller than or equal to x.
The syntax for the floor function in the c language is.
Floor prototype as of c 11 standard double floor double x.
Rounds up the nearest integer.
Returns the largest integer that is smaller than or equal to x i e.
Long double floor long double x.
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Double floor double x.