Average Error: 0 → 0
Time: 267.0ms
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 r200215 = x;
        double r200216 = r200215 + r200215;
        double r200217 = 1.0;
        double r200218 = r200216 - r200217;
        return r200218;
}
↓
double f(double x) {
        double r200219 = x;
        double r200220 = r200219 + r200219;
        double r200221 = 1.0;
        double r200222 = r200220 - r200221;
        return r200222;
}

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 2020064 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))