Average Error: 0 → 0
Time: 288.0ms
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 r245582 = x;
        double r245583 = r245582 + r245582;
        double r245584 = 1.0;
        double r245585 = r245583 - r245584;
        return r245585;
}
↓
double f(double x) {
        double r245586 = x;
        double r245587 = r245586 + r245586;
        double r245588 = 1.0;
        double r245589 = r245587 - r245588;
        return r245589;
}

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 2020001 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))