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 r216963 = x;
        double r216964 = r216963 + r216963;
        double r216965 = 1.0;
        double r216966 = r216964 - r216965;
        return r216966;
}
↓
double f(double x) {
        double r216967 = x;
        double r216968 = r216967 + r216967;
        double r216969 = 1.0;
        double r216970 = r216968 - r216969;
        return r216970;
}

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 2020060 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))