Average Error: 0 → 0
Time: 272.0ms
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 r186413 = x;
        double r186414 = r186413 + r186413;
        double r186415 = 1.0;
        double r186416 = r186414 - r186415;
        return r186416;
}
↓
double f(double x) {
        double r186417 = x;
        double r186418 = r186417 + r186417;
        double r186419 = 1.0;
        double r186420 = r186418 - r186419;
        return r186420;
}

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 2020057 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))