Average Error: 0 → 0
Time: 262.0ms
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 r202812 = x;
        double r202813 = r202812 + r202812;
        double r202814 = 1.0;
        double r202815 = r202813 - r202814;
        return r202815;
}
↓
double f(double x) {
        double r202816 = x;
        double r202817 = r202816 + r202816;
        double r202818 = 1.0;
        double r202819 = r202817 - r202818;
        return r202819;
}

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 2020039 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))