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

Average Error: 0.0 → 0.0

Time: 4.4s

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 r215709 = x;
        double r215710 = r215709 * r215709;
        double r215711 = 1.0;
        double r215712 = r215710 + r215711;
        return r215712;
}

↓

double f(double x) {
        double r215713 = x;
        double r215714 = r215713 * r215713;
        double r215715 = 1.0;
        double r215716 = r215714 + r215715;
        return r215716;
}

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 2019350 
(FPCore (x)
  :name "Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1, A"
  :precision binary64
  (+ (* x x) 1))