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 r216001 = x;
        double r216002 = r216001 + r216001;
        double r216003 = 1.0;
        double r216004 = r216002 - r216003;
        return r216004;
}
↓
double f(double x) {
        double r216005 = x;
        double r216006 = r216005 + r216005;
        double r216007 = 1.0;
        double r216008 = r216006 - r216007;
        return r216008;
}

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 2020062 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))