Average Error: 29.3 → 0
Time: 1.4s
Precision: binary64
Cost: 192
\[\left(x + y\right) - x \]
↓
\[-\left(-y\right) \]
(FPCore (x y) :precision binary64 (- (+ x y) x))
↓
(FPCore (x y) :precision binary64 (- (- y)))
double code(double x, double y) {
	return (x + y) - x;
}
↓
double code(double x, double y) {
	return -(-y);
}

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = (x + y) - x
end function
↓
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = -(-y)
end function

public static double code(double x, double y) {
	return (x + y) - x;
}
↓
public static double code(double x, double y) {
	return -(-y);
}

def code(x, y):
	return (x + y) - x
↓
def code(x, y):
	return -(-y)

function code(x, y)
	return Float64(Float64(x + y) - x)
end
↓
function code(x, y)
	return Float64(-Float64(-y))
end

function tmp = code(x, y)
	tmp = (x + y) - x;
end
↓
function tmp = code(x, y)
	tmp = -(-y);
end

code[x_, y_] := N[(N[(x + y), $MachinePrecision] - x), $MachinePrecision]
↓
code[x_, y_] := (-(-y))

\left(x + y\right) - x
↓
-\left(-y\right)

Error

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original29.3
Target0
Herbie0
\[y - 0 \]

Derivation

  1. Initial program 29.3

    \[\left(x + y\right) - x \]

  2. Simplified0

    \[\leadsto \color{blue}{-\left(-y\right)} \]
    Proof

Reproduce

herbie shell --seed 2023010 
(FPCore (x y)
  :name "Graphics.Rendering.Chart.Plot.Pie:renderPie from Chart-1.5.3"
  :precision binary64

  :herbie-target
  (- y 0.0)

  (- (+ x y) x))