Average Error: 0 → 0
Time: 651.0ms
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 r148244 = x;
        double r148245 = r148244 + r148244;
        double r148246 = 1.0;
        double r148247 = r148245 - r148246;
        return r148247;
}
↓
double f(double x) {
        double r148248 = x;
        double r148249 = r148248 + r148248;
        double r148250 = 1.0;
        double r148251 = r148249 - r148250;
        return r148251;
}

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 2019325 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))