Average Error: 0 → 0
Time: 253.0ms
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 r271455 = x;
        double r271456 = r271455 + r271455;
        double r271457 = 1.0;
        double r271458 = r271456 - r271457;
        return r271458;
}
↓
double f(double x) {
        double r271459 = x;
        double r271460 = r271459 + r271459;
        double r271461 = 1.0;
        double r271462 = r271460 - r271461;
        return r271462;
}

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 2020047 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))