Average Error: 0 → 0
Time: 2.0s
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 r172101 = x;
        double r172102 = r172101 + r172101;
        double r172103 = 1.0;
        double r172104 = r172102 - r172103;
        return r172104;
}
↓
double f(double x) {
        double r172105 = x;
        double r172106 = r172105 + r172105;
        double r172107 = 1.0;
        double r172108 = r172106 - r172107;
        return r172108;
}

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 2019194 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  (- (+ x x) 1.0))