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

Average Error: 0 → 0

Time: 337.0ms

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 r333305 = x;
        double r333306 = r333305 + r333305;
        double r333307 = 1.0;
        double r333308 = r333306 - r333307;
        return r333308;
}

↓

double f(double x) {
        double r333309 = x;
        double r333310 = r333309 + r333309;
        double r333311 = 1.0;
        double r333312 = r333310 - r333311;
        return r333312;
}

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))