Average Error: 0.0 → 0.0
Time: 2.1s
Precision: 64
\[200 \cdot \left(x - y\right)\]
↓
\[200 \cdot x + 200 \cdot \left(-y\right)\]
200 \cdot \left(x - y\right)
↓
200 \cdot x + 200 \cdot \left(-y\right)
double f(double x, double y) {
        double r255047 = 200.0;
        double r255048 = x;
        double r255049 = y;
        double r255050 = r255048 - r255049;
        double r255051 = r255047 * r255050;
        return r255051;
}
↓
double f(double x, double y) {
        double r255052 = 200.0;
        double r255053 = x;
        double r255054 = r255052 * r255053;
        double r255055 = y;
        double r255056 = -r255055;
        double r255057 = r255052 * r255056;
        double r255058 = r255054 + r255057;
        return r255058;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[200 \cdot \left(x - y\right)\]
  2. Using strategy rm

  3. Applied sub-neg0.0

    \[\leadsto 200 \cdot \color{blue}{\left(x + \left(-y\right)\right)}\]

  4. Applied distribute-lft-in0.0

    \[\leadsto \color{blue}{200 \cdot x + 200 \cdot \left(-y\right)}\]

  5. Final simplification0.0

    \[\leadsto 200 \cdot x + 200 \cdot \left(-y\right)\]

Reproduce

herbie shell --seed 2020021 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.CIE:cieLABView from colour-2.3.3, C"
  :precision binary64
  (* 200 (- x y)))