Average Error: 0 → 0
Time: 614.0ms
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 r20075 = x;
        double r20076 = r20075 + r20075;
        double r20077 = 1.0;
        double r20078 = r20076 - r20077;
        return r20078;
}
↓
double f(double x) {
        double r20079 = x;
        double r20080 = r20079 + r20079;
        double r20081 = 1.0;
        double r20082 = r20080 - r20081;
        return r20082;
}

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 2019310 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))