Average Error: 0 → 0
Time: 1.8s
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 r200265 = x;
        double r200266 = r200265 + r200265;
        double r200267 = 1.0;
        double r200268 = r200266 - r200267;
        return r200268;
}
↓
double f(double x) {
        double r200269 = x;
        double r200270 = r200269 + r200269;
        double r200271 = 1.0;
        double r200272 = r200270 - r200271;
        return r200272;
}

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 2019209 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))