Average Error: 0 → 0
Time: 289.0ms
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 r186210 = x;
        double r186211 = r186210 + r186210;
        double r186212 = 1.0;
        double r186213 = r186211 - r186212;
        return r186213;
}
↓
double f(double x) {
        double r186214 = x;
        double r186215 = r186214 + r186214;
        double r186216 = 1.0;
        double r186217 = r186215 - r186216;
        return r186217;
}

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 2020001 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))