Average Error: 0.0 → 0.0
Time: 8.5s
Precision: 64
\[\frac{x - y}{x + y}\]
↓
\[\frac{x - y}{y + x}\]
\frac{x - y}{x + y}
↓
\frac{x - y}{y + x}
double f(double x, double y) {
        double r21689077 = x;
        double r21689078 = y;
        double r21689079 = r21689077 - r21689078;
        double r21689080 = r21689077 + r21689078;
        double r21689081 = r21689079 / r21689080;
        return r21689081;
}
↓
double f(double x, double y) {
        double r21689082 = x;
        double r21689083 = y;
        double r21689084 = r21689082 - r21689083;
        double r21689085 = r21689083 + r21689082;
        double r21689086 = r21689084 / r21689085;
        return r21689086;
}

Error

Bits error versus x

Bits error versus y

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Your Program's Arguments

Results

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Target

Original0.0
Target0.0
Herbie0.0
\[\frac{x}{x + y} - \frac{y}{x + y}\]

Derivation

  1. Initial program 0.0

    \[\frac{x - y}{x + y}\]

  2. Final simplification0.0

    \[\leadsto \frac{x - y}{y + x}\]

Reproduce

herbie shell --seed 2019171 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGB:hslsv from colour-2.3.3, D"

  :herbie-target
  (- (/ x (+ x y)) (/ y (+ x y)))

  (/ (- x y) (+ x y)))