In mathematics and computer science the floor and ceiling functions map a real number to the greatest preceding or the least succeeding integer respectively.
Floor int c.
Long double floor long double x.
Returns the largest integer that is smaller than or equal to x i e.
1 3 computes the largest integer value not greater than arg.
Here x is the floating point value.
However the result may overflow any integer type including std intmax t when stored in an integer variable.
Double ceil double x.
It takes single value whoes floor value is to be calculated.
Float ceil float x.
Otherwise if arg has integer type or the type double floor is called.
The value to round down to the nearest integer.
This function is also declared in cmath header file in c language.
For information and restrictions about using the sse2 implementation see set sse2 enable.
Rounds downs the nearest integer.
C allows overloading so you can call overloads of floor that take and return float and long double values.
Include math h applies to.
If arg has type long double floorl is called.
Float floor float x.
The floor function returns the largest possible integer value which is equal to the value or smaller than that.
Additional overloads for integral types.
The floor function returns the largest integer that is smaller than or equal to x.
Long double ceil long double x.
The largest representable floating point values are exact integers in all standard floating point formats so this function never overflows on its own.
In a c program unless you re using the tgmath h macro to call this function floor always takes and returns.
Floor has an implementation that uses streaming simd extensions 2 sse2.
C floor the floor function in c returns the largest possible integer value which is less than or equal to the given argument.
Double floor double x.