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 r253637 = x;
        double r253638 = r253637 + r253637;
        double r253639 = 1.0;
        double r253640 = r253638 - r253639;
        return r253640;
}
↓
double f(double x) {
        double r253641 = x;
        double r253642 = r253641 + r253641;
        double r253643 = 1.0;
        double r253644 = r253642 - r253643;
        return r253644;
}

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 2020002 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))