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

Average Error: 0.0 → 0.0

Time: 4.0s

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 r217480 = x;
        double r217481 = r217480 * r217480;
        double r217482 = 1.0;
        double r217483 = r217481 + r217482;
        return r217483;
}

↓

double f(double x) {
        double r217484 = x;
        double r217485 = r217484 * r217484;
        double r217486 = 1.0;
        double r217487 = r217485 + r217486;
        return r217487;
}

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 2020046 
(FPCore (x)
  :name "Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1, A"
  :precision binary64
  (+ (* x x) 1))