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

Average Error: 0.0 → 0

Time: 8.8s

Precision: binary64

Cost: 320

Math

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

↓

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

FPCore

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

↓

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

C

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

↓

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

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 = (x + x) + y
end function

Java

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

↓

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

Python

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

↓

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

Julia

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

↓

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

MATLAB

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

↓

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

Wolfram

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

↓

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

   \[\leadsto \color{blue}{\left(x + x\right) + y} \]

Alternatives

Alternative 1
Error	16.3
Cost	720

\[\begin{array}{l} \mathbf{if}\;x \leq -9.5 \cdot 10^{-46}:\\ \;\;\;\;x \cdot 2\\ \mathbf{elif}\;x \leq 7 \cdot 10^{-5}:\\ \;\;\;\;y\\ \mathbf{elif}\;x \leq 3.4 \cdot 10^{+86}:\\ \;\;\;\;x \cdot 2\\ \mathbf{elif}\;x \leq 1.6 \cdot 10^{+107}:\\ \;\;\;\;y\\ \mathbf{else}:\\ \;\;\;\;x \cdot 2\\ \end{array} \]

Alternative 2
Error	31.5
Cost	64

\[y \]

Reproduce

herbie shell --seed 2023033 
(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))