• Rust

let y = x as f64;

• Ada

Y : constant Float := Float (X);

• C

float y = (float)x;

• Caml

let y = float_of_int(x)

• Clojure

(def y (float x))

• C++

float y = static_cast<float>(x);

• C#

float y = x;

• D

int x;
float y = to!float(x);
// or
float y = cast(float) x;

• Dart

double y = x.toDouble();

• Elixir

y = x / 1

• Fortran

real :: y
y = x

• Go

y := float64(x)

• Haskell

y = fromInteger x :: Double

• JS

let y = x + .0

• Java

int x = 10
float y = (float)x;
System.out.println(y);

• Java

Float y = Float.parseFloat(String.valueOf(x));

• Java

float y = x;

• Java

float y = new BigDecimal(x).floatValue();

• Lisp

(defparameter *y* (float x))

• Lua

y = x + .0

• Lua

y = (16 ^ 13) + x - (16 ^ 13)

• PHP

$y = (float) $x;

• Pascal

var
  y: single;
begin
  y := x;
end;

• Perl

my $y = $x;

• Python

y = float(x)

• Ruby

y = x.to_f