Average Error: 0 → 0
Time: 294.0ms
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 r183655 = x;
        double r183656 = r183655 + r183655;
        double r183657 = 1.0;
        double r183658 = r183656 - r183657;
        return r183658;
}
↓
double f(double x) {
        double r183659 = x;
        double r183660 = r183659 + r183659;
        double r183661 = 1.0;
        double r183662 = r183660 - r183661;
        return r183662;
}

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 2020001 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))