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

Average Error: 0 → 0

Time: 310.0ms

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 r217977 = x;
        double r217978 = r217977 + r217977;
        double r217979 = 1.0;
        double r217980 = r217978 - r217979;
        return r217980;
}

↓

double f(double x) {
        double r217981 = x;
        double r217982 = r217981 + r217981;
        double r217983 = 1.0;
        double r217984 = r217982 - r217983;
        return r217984;
}

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 2020045 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))