Average Error: 0 → 0
Time: 305.0ms
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 r239436 = x;
        double r239437 = r239436 + r239436;
        double r239438 = 1.0;
        double r239439 = r239437 - r239438;
        return r239439;
}
↓
double f(double x) {
        double r239440 = x;
        double r239441 = r239440 + r239440;
        double r239442 = 1.0;
        double r239443 = r239441 - r239442;
        return r239443;
}

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 2019362 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))