Average Error: 0 → 0
Time: 258.0ms
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 r247214 = x;
        double r247215 = r247214 + r247214;
        double r247216 = 1.0;
        double r247217 = r247215 - r247216;
        return r247217;
}
↓
double f(double x) {
        double r247218 = x;
        double r247219 = r247218 + r247218;
        double r247220 = 1.0;
        double r247221 = r247219 - r247220;
        return r247221;
}

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 2020027 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))