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 double not float.
Here x is the floating point value.
This kind of rounding is sometimes called.
The largest representable floating point values are exact integers in all standard floating point formats so this function never overflows on its own.
Java floor method the method floor gives the largest integer that is less than or equal to the argument.
C library function floor the c library function double floor double x returns the largest integer value less than or equal to x.
All that noise a floor makes comes from one main reason.
The floor function takes a single argument and returns a value of type double float or long double type.
Returns the largest integer that is smaller than or equal to x i e.
This method returns the largest integer that is less than or equal to the argument.
This is due to the pressure applied on the top of the flooring when it meets pockets of air beneath the surface caused by the unevenness of the subflooring.
Floor has an implementation that uses streaming simd extensions 2 sse2.
This function is defined in cmath header file.
Additional overloads for integral types round down value rounds x downward returning the largest integral value that is not greater than x.
Floor double returns the largest integral value less than or equal to the specified double precision floating point number.
The behavior of this method follows ieee standard 754 section 4.
Float floor float x.
Rounds downs the nearest integer.
Rounds downs the nearest integer.
In the c programming language the floor function returns the largest integer that is smaller than or equal to x ie.
However the result may overflow any integer type including std intmax t when stored in an integer variable.
Returned as a double.
In a c program unless you re using the tgmath h macro to call this function floor always takes and returns.
Long double floor long double x.
Double floor t x.
C allows overloading so you can call overloads of floor that take and return float and long double values.
Floor decimal returns the largest integral value less than or equal to the specified decimal number.
For information and restrictions about using the sse2 implementation see set sse2 enable.