Programming-Idioms

Implementation
PHP

Be concise.

Be useful.

All contributions dictatorially edited by webmasters to match personal tastes.

Please do not paste any copyright violating resource.

Please try to avoid dependencies to third-party libraries and frameworks.

Other implementations
long y = Math.round(x);
y = (x + 1/2r).floor
import std.math: round;
int y = cast(int) x.round;
y = floor (x + 1/2)
import "math"
y := int(math.Floor(x + 0.5))
var
  y: integer;
  x: double;
begin
  y := round(x);
end.
#include <math.h>
int y = (int)floorf(x + 0.5f);
#include <cmath>
int y = static_cast<int>(std::floor(x + 0.5f));
my $y = int($x + 1/2);
let y = x.round() as i64;
y = Float.round x
function round(float)
    local int, part = math.modf(float)
    if float == math.abs(float) and part >= .5 then return int+1    -- positive float
    elseif part <= -.5 then return int-1                            -- negative float
    end
    return int
end
var y = Math.round(x);
function round(float)
    return math.floor(float + .5)
end
y = int(x + 0.5)
int x = Math.Round(y);
integer :: y

y = nint(x)
(define y (round x))