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

Average Error: 0.0 → 0.0

Time: 321.0ms

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 r185463 = x;
        double r185464 = r185463 * r185463;
        double r185465 = 1.0;
        double r185466 = r185464 + r185465;
        return r185466;
}

↓

double f(double x) {
        double r185467 = x;
        double r185468 = r185467 * r185467;
        double r185469 = 1.0;
        double r185470 = r185468 + r185469;
        return r185470;
}

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))