Average Error: 2.3 → 2.3
Time: 15.7s
Precision: 64
\[\frac{x - y}{z - y} \cdot t\]
↓
\[\frac{x - y}{z - y} \cdot t\]
\frac{x - y}{z - y} \cdot t
↓
\frac{x - y}{z - y} \cdot t
double f(double x, double y, double z, double t) {
        double r26548871 = x;
        double r26548872 = y;
        double r26548873 = r26548871 - r26548872;
        double r26548874 = z;
        double r26548875 = r26548874 - r26548872;
        double r26548876 = r26548873 / r26548875;
        double r26548877 = t;
        double r26548878 = r26548876 * r26548877;
        return r26548878;
}
↓
double f(double x, double y, double z, double t) {
        double r26548879 = x;
        double r26548880 = y;
        double r26548881 = r26548879 - r26548880;
        double r26548882 = z;
        double r26548883 = r26548882 - r26548880;
        double r26548884 = r26548881 / r26548883;
        double r26548885 = t;
        double r26548886 = r26548884 * r26548885;
        return r26548886;
}

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

Original2.3
Target2.3
Herbie2.3
\[\frac{t}{\frac{z - y}{x - y}}\]

Derivation

  1. Initial program 2.3

    \[\frac{x - y}{z - y} \cdot t\]

  2. Final simplification2.3

    \[\leadsto \frac{x - y}{z - y} \cdot t\]

Reproduce

herbie shell --seed 2019164 
(FPCore (x y z t)
  :name "Numeric.Signal.Multichannel:$cput from hsignal-0.2.7.1"

  :herbie-target
  (/ t (/ (- z y) (- x y)))

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