Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, A

Average Error: 0.0 → 0

Time: 3.6s

Precision: binary64

Cost: 320

Math

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

↓

\[y - x \cdot -2 \]

FPCore

(FPCore (x y) :precision binary64 (+ (+ x y) x))

↓

(FPCore (x y) :precision binary64 (- y (* x -2.0)))

C

double code(double x, double y) {
	return (x + y) + x;
}

↓

double code(double x, double y) {
	return y - (x * -2.0);
}

Fortran

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 - (x * (-2.0d0))
end function

Java

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

↓

public static double code(double x, double y) {
	return y - (x * -2.0);
}

Python

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

↓

def code(x, y):
	return y - (x * -2.0)

Julia

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

↓

function code(x, y)
	return Float64(y - Float64(x * -2.0))
end

MATLAB

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

↓

function tmp = code(x, y)
	tmp = y - (x * -2.0);
end

Wolfram

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

↓

code[x_, y_] := N[(y - N[(x * -2.0), $MachinePrecision]), $MachinePrecision]

Target

Original	0.0
Target	0
Herbie	0

\[y + 2 \cdot x \]

Derivation

1. Initial program 0.0

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

2. Applied egg-rr 0

   \[\leadsto \color{blue}{y - x \cdot -2} \]

3. Final simplification 0

   \[\leadsto y - x \cdot -2 \]

Alternatives

Alternative 1
Error	17.5
Cost	456

\[\begin{array}{l} \mathbf{if}\;y \leq -5 \cdot 10^{+20}:\\ \;\;\;\;y\\ \mathbf{elif}\;y \leq 5.8 \cdot 10^{-86}:\\ \;\;\;\;2 \cdot x\\ \mathbf{else}:\\ \;\;\;\;y\\ \end{array} \]

Alternative 2
Error	0.0
Cost	320

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

Alternative 3
Error	31.8
Cost	64

\[y \]

Reproduce

herbie shell --seed 2023077 
(FPCore (x y)
  :name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, A"
  :precision binary64

  :herbie-target
  (+ y (* 2.0 x))

  (+ (+ x y) x))