Average Error: 0 → 0
Time: 622.0ms
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 r248822 = x;
        double r248823 = r248822 + r248822;
        double r248824 = 1.0;
        double r248825 = r248823 - r248824;
        return r248825;
}
↓
double f(double x) {
        double r248826 = x;
        double r248827 = r248826 + r248826;
        double r248828 = 1.0;
        double r248829 = r248827 - r248828;
        return r248829;
}

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 2019303 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))