Average Error: 0 → 0
Time: 539.0ms
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 r213985 = x;
        double r213986 = r213985 + r213985;
        double r213987 = 1.0;
        double r213988 = r213986 - r213987;
        return r213988;
}
↓
double f(double x) {
        double r213989 = x;
        double r213990 = r213989 + r213989;
        double r213991 = 1.0;
        double r213992 = r213990 - r213991;
        return r213992;
}

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 2020089 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))