Average Error: 0 → 0
Time: 565.0ms
Precision: 64
\[\left(x + x\right) - 1\]
↓
\[\left(x + x\right) - 1\]
\left(x + x\right) - 1
↓
\left(x + x\right) - 1
double f(double x) {
        double r118287 = x;
        double r118288 = r118287 + r118287;
        double r118289 = 1.0;
        double r118290 = r118288 - r118289;
        return r118290;
}
↓
double f(double x) {
        double r118291 = x;
        double r118292 = r118291 + r118291;
        double r118293 = 1.0;
        double r118294 = r118292 - r118293;
        return r118294;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\left(x + x\right) - 1\]

  2. Final simplification0

    \[\leadsto \left(x + x\right) - 1\]

Reproduce

herbie shell --seed 2019322 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))