Average Error: 0.0 → 0.0
Time: 917.0ms
Precision: 64
\[\frac{x}{y \cdot 2.0}\]
\[\frac{x}{2.0 \cdot y}\]
\frac{x}{y \cdot 2.0}
\frac{x}{2.0 \cdot y}
double f(double x, double y) {
        double r9418381 = x;
        double r9418382 = y;
        double r9418383 = 2.0;
        double r9418384 = r9418382 * r9418383;
        double r9418385 = r9418381 / r9418384;
        return r9418385;
}

double f(double x, double y) {
        double r9418386 = x;
        double r9418387 = 2.0;
        double r9418388 = y;
        double r9418389 = r9418387 * r9418388;
        double r9418390 = r9418386 / r9418389;
        return r9418390;
}

Error

Bits error versus x

Bits error versus y

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Results

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Derivation

  1. Initial program 0.0

    \[\frac{x}{y \cdot 2.0}\]
  2. Final simplification0.0

    \[\leadsto \frac{x}{2.0 \cdot y}\]

Reproduce

herbie shell --seed 2019162 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Solve.Polynomial:quadForm from diagrams-solve-0.1, C"
  (/ x (* y 2.0)))