Average Error: 0.0 → 0.0
Time: 6.2s
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 r14616265 = x;
        double r14616266 = 1.0;
        double r14616267 = r14616265 - r14616266;
        double r14616268 = r14616265 * r14616267;
        return r14616268;
}
↓
double f(double x) {
        double r14616269 = x;
        double r14616270 = 1.0;
        double r14616271 = r14616269 - r14616270;
        double r14616272 = r14616269 * r14616271;
        return r14616272;
}

Error

Bits error versus x

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Results

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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 2019192 
(FPCore (x)
  :name "Statistics.Correlation.Kendall:numOfTiesBy from math-functions-0.1.5.2"

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

  (* x (- x 1.0)))