Average Error: 0.0 → 0.0
Time: 6.9s
Precision: 64
\[x + \left(y - z\right) \cdot \left(t - x\right)\]
\[x + \left(\left(y - z\right) \cdot t + \left(y - z\right) \cdot \left(-x\right)\right)\]
x + \left(y - z\right) \cdot \left(t - x\right)
x + \left(\left(y - z\right) \cdot t + \left(y - z\right) \cdot \left(-x\right)\right)
double f(double x, double y, double z, double t) {
        double r747246 = x;
        double r747247 = y;
        double r747248 = z;
        double r747249 = r747247 - r747248;
        double r747250 = t;
        double r747251 = r747250 - r747246;
        double r747252 = r747249 * r747251;
        double r747253 = r747246 + r747252;
        return r747253;
}

double f(double x, double y, double z, double t) {
        double r747254 = x;
        double r747255 = y;
        double r747256 = z;
        double r747257 = r747255 - r747256;
        double r747258 = t;
        double r747259 = r747257 * r747258;
        double r747260 = -r747254;
        double r747261 = r747257 * r747260;
        double r747262 = r747259 + r747261;
        double r747263 = r747254 + r747262;
        return r747263;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Bits error versus t

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[x + \left(t \cdot \left(y - z\right) + \left(-x\right) \cdot \left(y - z\right)\right)\]

Derivation

  1. Initial program 0.0

    \[x + \left(y - z\right) \cdot \left(t - x\right)\]
  2. Using strategy rm
  3. Applied sub-neg0.0

    \[\leadsto x + \left(y - z\right) \cdot \color{blue}{\left(t + \left(-x\right)\right)}\]
  4. Applied distribute-lft-in0.0

    \[\leadsto x + \color{blue}{\left(\left(y - z\right) \cdot t + \left(y - z\right) \cdot \left(-x\right)\right)}\]
  5. Final simplification0.0

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

Reproduce

herbie shell --seed 2020056 
(FPCore (x y z t)
  :name "Data.Metrics.Snapshot:quantile from metrics-0.3.0.2"
  :precision binary64

  :herbie-target
  (+ x (+ (* t (- y z)) (* (- x) (- y z))))

  (+ x (* (- y z) (- t x))))