Average Error: 0 → 0
Time: 260.0ms
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 r195145 = x;
        double r195146 = r195145 + r195145;
        double r195147 = 1.0;
        double r195148 = r195146 - r195147;
        return r195148;
}
↓
double f(double x) {
        double r195149 = x;
        double r195150 = r195149 + r195149;
        double r195151 = 1.0;
        double r195152 = r195150 - r195151;
        return r195152;
}

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))