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 r208851 = x;
        double r208852 = r208851 + r208851;
        double r208853 = 1.0;
        double r208854 = r208852 - r208853;
        return r208854;
}
↓
double f(double x) {
        double r208855 = x;
        double r208856 = r208855 + r208855;
        double r208857 = 1.0;
        double r208858 = r208856 - r208857;
        return r208858;
}

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 2020065 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))