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

Average Error: 0 → 0

Time: 356.0ms

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 r206000 = x;
        double r206001 = r206000 + r206000;
        double r206002 = 1.0;
        double r206003 = r206001 - r206002;
        return r206003;
}

↓

double f(double x) {
        double r206004 = x;
        double r206005 = r206004 + r206004;
        double r206006 = 1.0;
        double r206007 = r206005 - r206006;
        return r206007;
}

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 2019350 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))