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