Average Error: 0 → 0
Time: 452.0ms
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 r29803 = x;
        double r29804 = r29803 + r29803;
        double r29805 = 1.0;
        double r29806 = r29804 - r29805;
        return r29806;
}
↓
double f(double x) {
        double r29807 = x;
        double r29808 = r29807 + r29807;
        double r29809 = 1.0;
        double r29810 = r29808 - r29809;
        return r29810;
}

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 2019315 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))