Average Error: 0 → 0
Time: 592.0ms
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 r21191 = x;
        double r21192 = r21191 + r21191;
        double r21193 = 1.0;
        double r21194 = r21192 - r21193;
        return r21194;
}
↓
double f(double x) {
        double r21195 = x;
        double r21196 = r21195 + r21195;
        double r21197 = 1.0;
        double r21198 = r21196 - r21197;
        return r21198;
}

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 2019310 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))