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

Average Error: 0 → 0

Time: 314.0ms

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 r302529 = x;
        double r302530 = r302529 + r302529;
        double r302531 = 1.0;
        double r302532 = r302530 - r302531;
        return r302532;
}

↓

double f(double x) {
        double r302533 = x;
        double r302534 = r302533 + r302533;
        double r302535 = 1.0;
        double r302536 = r302534 - r302535;
        return r302536;
}

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 2020046 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))