Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1, A

Average Error: 0.0 → 0.0

Time: 317.0ms

Precision: 64

• Falling back on racket egraph because egg-herbie package not installed

Math

\[x \cdot x + 1\]

↓

\[x \cdot x + 1\]

C

double f(double x) {
        double r192789 = x;
        double r192790 = r192789 * r192789;
        double r192791 = 1.0;
        double r192792 = r192790 + r192791;
        return r192792;
}

↓

double f(double x) {
        double r192793 = x;
        double r192794 = r192793 * r192793;
        double r192795 = 1.0;
        double r192796 = r192794 + r192795;
        return r192796;
}

Error

Bits error versus x

Derivation

1. Initial program 0.0

   \[x \cdot x + 1\]

2. Final simplification 0.0

   \[\leadsto x \cdot x + 1\]

Reproduce

herbie shell --seed 2020047 
(FPCore (x)
  :name "Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1, A"
  :precision binary64
  (+ (* x x) 1))