Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2

Average Error: 0 → 0

Time: 320.0ms

Precision: 64

• Falling back on racket egraph because egg-herbie package not installed

Math

\[\left(x + x\right) - 1\]

↓

\[\left(x + x\right) - 1\]

C

double f(double x) {
        double r478781 = x;
        double r478782 = r478781 + r478781;
        double r478783 = 1.0;
        double r478784 = r478782 - r478783;
        return r478784;
}

↓

double f(double x) {
        double r478785 = x;
        double r478786 = r478785 + r478785;
        double r478787 = 1.0;
        double r478788 = r478786 - r478787;
        return r478788;
}

Error

Bits error versus x

Derivation

1. Initial program 0

   \[\left(x + x\right) - 1\]

2. Final simplification 0

   \[\leadsto \left(x + x\right) - 1\]

Reproduce

herbie shell --seed 2020042 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))