Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisLine from plot-0.2.3.4, A

Average Error: 1.3 → 1.3

Time: 23.3s

Precision: 64

Math

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

↓

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

C

double f(double x, double y, double z, double t, double a) {
        double r32692565 = x;
        double r32692566 = y;
        double r32692567 = z;
        double r32692568 = t;
        double r32692569 = r32692567 - r32692568;
        double r32692570 = a;
        double r32692571 = r32692567 - r32692570;
        double r32692572 = r32692569 / r32692571;
        double r32692573 = r32692566 * r32692572;
        double r32692574 = r32692565 + r32692573;
        return r32692574;
}

↓

double f(double x, double y, double z, double t, double a) {
        double r32692575 = x;
        double r32692576 = y;
        double r32692577 = z;
        double r32692578 = t;
        double r32692579 = r32692577 - r32692578;
        double r32692580 = a;
        double r32692581 = r32692577 - r32692580;
        double r32692582 = r32692579 / r32692581;
        double r32692583 = r32692576 * r32692582;
        double r32692584 = r32692575 + r32692583;
        return r32692584;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Bits error versus t

Bits error versus a

Target

Original	1.3
Target	1.3
Herbie	1.3

\[x + \frac{y}{\frac{z - a}{z - t}}\]

Derivation

1. Initial program 1.3

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

2. Final simplification 1.3

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

Reproduce

herbie shell --seed 2019169 
(FPCore (x y z t a)
  :name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisLine from plot-0.2.3.4, A"

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

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