Average Error: 0 → 0
Time: 7.8s
Precision: 64
\[\left(x + x\right) - 1.0\]
↓
\[\left(x + x\right) - 1.0\]
\left(x + x\right) - 1.0
↓
\left(x + x\right) - 1.0
double f(double x) {
        double r9968422 = x;
        double r9968423 = r9968422 + r9968422;
        double r9968424 = 1.0;
        double r9968425 = r9968423 - r9968424;
        return r9968425;
}
↓
double f(double x) {
        double r9968426 = x;
        double r9968427 = r9968426 + r9968426;
        double r9968428 = 1.0;
        double r9968429 = r9968427 - r9968428;
        return r9968429;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\left(x + x\right) - 1.0\]

  2. Final simplification0

    \[\leadsto \left(x + x\right) - 1.0\]

Reproduce

herbie shell --seed 2019164 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  (- (+ x x) 1.0))