Average Error: 0 → 0
Time: 256.0ms
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 r196227 = x;
        double r196228 = r196227 + r196227;
        double r196229 = 1.0;
        double r196230 = r196228 - r196229;
        return r196230;
}
↓
double f(double x) {
        double r196231 = x;
        double r196232 = r196231 + r196231;
        double r196233 = 1.0;
        double r196234 = r196232 - r196233;
        return r196234;
}

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 2020025 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))