Average Error: 0.0 → 0.0
Time: 2.5s
Precision: 64
\[x \cdot \left(x - 1\right)\]
↓
\[x \cdot \left(x - 1\right)\]
x \cdot \left(x - 1\right)
↓
x \cdot \left(x - 1\right)
double f(double x) {
        double r170137 = x;
        double r170138 = 1.0;
        double r170139 = r170137 - r170138;
        double r170140 = r170137 * r170139;
        return r170140;
}
↓
double f(double x) {
        double r170141 = x;
        double r170142 = 1.0;
        double r170143 = r170141 - r170142;
        double r170144 = r170141 * r170143;
        return r170144;
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[x \cdot x - x\]

Derivation

  1. Initial program 0.0

    \[x \cdot \left(x - 1\right)\]

  2. Final simplification0.0

    \[\leadsto x \cdot \left(x - 1\right)\]

Reproduce

herbie shell --seed 2019209 +o rules:numerics
(FPCore (x)
  :name "Statistics.Correlation.Kendall:numOfTiesBy from math-functions-0.1.5.2"
  :precision binary64

  :herbie-target
  (- (* x x) x)

  (* x (- x 1)))