Average Error: 0 → 0
Time: 529.0ms
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 r1170 = x;
        double r1171 = r1170 + r1170;
        double r1172 = 1.0;
        double r1173 = r1171 - r1172;
        return r1173;
}
↓
double f(double x) {
        double r1174 = x;
        double r1175 = r1174 + r1174;
        double r1176 = 1.0;
        double r1177 = r1175 - r1176;
        return r1177;
}

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))