Average Error: 0 → 0
Time: 313.0ms
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 r184897 = x;
        double r184898 = r184897 + r184897;
        double r184899 = 1.0;
        double r184900 = r184898 - r184899;
        return r184900;
}
↓
double f(double x) {
        double r184901 = x;
        double r184902 = r184901 + r184901;
        double r184903 = 1.0;
        double r184904 = r184902 - r184903;
        return r184904;
}

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