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

Average Error: 0.0 → 0.0

Time: 4.3s

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 r174845 = x;
        double r174846 = r174845 * r174845;
        double r174847 = 1.0;
        double r174848 = r174846 + r174847;
        return r174848;
}

↓

double f(double x) {
        double r174849 = x;
        double r174850 = r174849 * r174849;
        double r174851 = 1.0;
        double r174852 = r174850 + r174851;
        return r174852;
}

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 2020045 
(FPCore (x)
  :name "Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1, A"
  :precision binary64
  (+ (* x x) 1))