Average Error: 0 → 0
Time: 338.0ms
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 r207758 = x;
        double r207759 = r207758 + r207758;
        double r207760 = 1.0;
        double r207761 = r207759 - r207760;
        return r207761;
}
↓
double f(double x) {
        double r207762 = x;
        double r207763 = r207762 + r207762;
        double r207764 = 1.0;
        double r207765 = r207763 - r207764;
        return r207765;
}

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 2020100 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))