Average Error: 0 → 0
Time: 512.0ms
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 r198531 = x;
        double r198532 = r198531 + r198531;
        double r198533 = 1.0;
        double r198534 = r198532 - r198533;
        return r198534;
}
↓
double f(double x) {
        double r198535 = x;
        double r198536 = r198535 + r198535;
        double r198537 = 1.0;
        double r198538 = r198536 - r198537;
        return r198538;
}

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 2019303 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))