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

Average Error: 0 → 0

Time: 311.0ms

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 r287263 = x;
        double r287264 = r287263 + r287263;
        double r287265 = 1.0;
        double r287266 = r287264 - r287265;
        return r287266;
}

↓

double f(double x) {
        double r287267 = x;
        double r287268 = r287267 + r287267;
        double r287269 = 1.0;
        double r287270 = r287268 - r287269;
        return r287270;
}

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))