Average Error: 0 → 0
Time: 268.0ms
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 r310199 = x;
        double r310200 = r310199 + r310199;
        double r310201 = 1.0;
        double r310202 = r310200 - r310201;
        return r310202;
}
↓
double f(double x) {
        double r310203 = x;
        double r310204 = r310203 + r310203;
        double r310205 = 1.0;
        double r310206 = r310204 - r310205;
        return r310206;
}

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 2020024 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))