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

Average Error: 0.0 → 0.0

Time: 331.0ms

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 r195222 = x;
        double r195223 = r195222 * r195222;
        double r195224 = 1.0;
        double r195225 = r195223 + r195224;
        return r195225;
}

↓

double f(double x) {
        double r195226 = x;
        double r195227 = r195226 * r195226;
        double r195228 = 1.0;
        double r195229 = r195227 + r195228;
        return r195229;
}

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 2020042 
(FPCore (x)
  :name "Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1, A"
  :precision binary64
  (+ (* x x) 1))