Average Error: 0 → 0
Time: 298.0ms
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 r228783 = x;
        double r228784 = r228783 + r228783;
        double r228785 = 1.0;
        double r228786 = r228784 - r228785;
        return r228786;
}
↓
double f(double x) {
        double r228787 = x;
        double r228788 = r228787 + r228787;
        double r228789 = 1.0;
        double r228790 = r228788 - r228789;
        return r228790;
}

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 2020002 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))