Average Error: 0 → 0
Time: 284.0ms
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 r233929 = x;
        double r233930 = r233929 + r233929;
        double r233931 = 1.0;
        double r233932 = r233930 - r233931;
        return r233932;
}
↓
double f(double x) {
        double r233933 = x;
        double r233934 = r233933 + r233933;
        double r233935 = 1.0;
        double r233936 = r233934 - r233935;
        return r233936;
}

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 2019353 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))