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

Average Error: 0 → 0

Time: 349.0ms

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 r264893 = x;
        double r264894 = r264893 + r264893;
        double r264895 = 1.0;
        double r264896 = r264894 - r264895;
        return r264896;
}

↓

double f(double x) {
        double r264897 = x;
        double r264898 = r264897 + r264897;
        double r264899 = 1.0;
        double r264900 = r264898 - r264899;
        return r264900;
}

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 2020047 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))