Average Error: 0 → 0
Time: 318.0ms
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 r260747 = x;
        double r260748 = r260747 + r260747;
        double r260749 = 1.0;
        double r260750 = r260748 - r260749;
        return r260750;
}
↓
double f(double x) {
        double r260751 = x;
        double r260752 = r260751 + r260751;
        double r260753 = 1.0;
        double r260754 = r260752 - r260753;
        return r260754;
}

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 2020083 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))