Average Error: 0 → 0
Time: 978.0ms
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 r174514 = x;
        double r174515 = r174514 + r174514;
        double r174516 = 1.0;
        double r174517 = r174515 - r174516;
        return r174517;
}
↓
double f(double x) {
        double r174518 = x;
        double r174519 = r174518 + r174518;
        double r174520 = 1.0;
        double r174521 = r174519 - r174520;
        return r174521;
}

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 2019323 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))