Average Error: 0 → 0
Time: 288.0ms
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 r193737 = x;
        double r193738 = r193737 + r193737;
        double r193739 = 1.0;
        double r193740 = r193738 - r193739;
        return r193740;
}
↓
double f(double x) {
        double r193741 = x;
        double r193742 = r193741 + r193741;
        double r193743 = 1.0;
        double r193744 = r193742 - r193743;
        return r193744;
}

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 2020001 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))