Average Error: 0 → 0
Time: 292.0ms
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 r256264 = x;
        double r256265 = r256264 + r256264;
        double r256266 = 1.0;
        double r256267 = r256265 - r256266;
        return r256267;
}
↓
double f(double x) {
        double r256268 = x;
        double r256269 = r256268 + r256268;
        double r256270 = 1.0;
        double r256271 = r256269 - r256270;
        return r256271;
}

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 2020021 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))