Average Error: 0 → 0
Time: 403.0ms
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 r243018 = x;
        double r243019 = r243018 + r243018;
        double r243020 = 1.0;
        double r243021 = r243019 - r243020;
        return r243021;
}
↓
double f(double x) {
        double r243022 = x;
        double r243023 = r243022 + r243022;
        double r243024 = 1.0;
        double r243025 = r243023 - r243024;
        return r243025;
}

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 2020036 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))