Average Error: 0 → 0
Time: 9.0s
Precision: 64
\[\left(x + x\right) - 1.0\]
↓
\[\left(x + x\right) - 1.0\]
\left(x + x\right) - 1.0
↓
\left(x + x\right) - 1.0
double f(double x) {
        double r11180647 = x;
        double r11180648 = r11180647 + r11180647;
        double r11180649 = 1.0;
        double r11180650 = r11180648 - r11180649;
        return r11180650;
}
↓
double f(double x) {
        double r11180651 = x;
        double r11180652 = r11180651 + r11180651;
        double r11180653 = 1.0;
        double r11180654 = r11180652 - r11180653;
        return r11180654;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\left(x + x\right) - 1.0\]

  2. Final simplification0

    \[\leadsto \left(x + x\right) - 1.0\]

Reproduce

herbie shell --seed 2019163 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  (- (+ x x) 1.0))