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

Average Error: 0 → 0

Time: 304.0ms

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 r73363 = x;
        double r73364 = r73363 + r73363;
        double r73365 = 1.0;
        double r73366 = r73364 - r73365;
        return r73366;
}

↓

double f(double x) {
        double r73367 = x;
        double r73368 = r73367 + r73367;
        double r73369 = 1.0;
        double r73370 = r73368 - r73369;
        return r73370;
}

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))