Average Error: 0 → 0
Time: 259.0ms
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 r239926 = x;
        double r239927 = r239926 + r239926;
        double r239928 = 1.0;
        double r239929 = r239927 - r239928;
        return r239929;
}
↓
double f(double x) {
        double r239930 = x;
        double r239931 = r239930 + r239930;
        double r239932 = 1.0;
        double r239933 = r239931 - r239932;
        return r239933;
}

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 2020060 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))