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

Average Error: 0.0 → 0.0

Time: 2.5s

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 r174577 = x;
        double r174578 = r174577 * r174577;
        double r174579 = 1.0;
        double r174580 = r174578 + r174579;
        return r174580;
}

↓

double f(double x) {
        double r174581 = x;
        double r174582 = r174581 * r174581;
        double r174583 = 1.0;
        double r174584 = r174582 + r174583;
        return r174584;
}

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))