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

Average Error: 0 → 0

Time: 306.0ms

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 r311718 = x;
        double r311719 = r311718 + r311718;
        double r311720 = 1.0;
        double r311721 = r311719 - r311720;
        return r311721;
}

↓

double f(double x) {
        double r311722 = x;
        double r311723 = r311722 + r311722;
        double r311724 = 1.0;
        double r311725 = r311723 - r311724;
        return r311725;
}

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 2020046 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))