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

Average Error: 0.0 → 0.0

Time: 301.0ms

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 r180491 = x;
        double r180492 = r180491 * r180491;
        double r180493 = 1.0;
        double r180494 = r180492 + r180493;
        return r180494;
}

↓

double f(double x) {
        double r180495 = x;
        double r180496 = r180495 * r180495;
        double r180497 = 1.0;
        double r180498 = r180496 + r180497;
        return r180498;
}

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))