Average Error: 62.0 → 62.0
Time: 3.0s
Precision: 64
\[lo \lt -1 \cdot 10^{+308} \land hi \gt 10^{+308}\]
\[\frac{x - lo}{hi - lo}\]
↓
\[\frac{x - lo}{hi - lo}\]
\frac{x - lo}{hi - lo}
↓
\frac{x - lo}{hi - lo}
double f(double lo, double hi, double x) {
        double r1244066 = x;
        double r1244067 = lo;
        double r1244068 = r1244066 - r1244067;
        double r1244069 = hi;
        double r1244070 = r1244069 - r1244067;
        double r1244071 = r1244068 / r1244070;
        return r1244071;
}
↓
double f(double lo, double hi, double x) {
        double r1244072 = x;
        double r1244073 = lo;
        double r1244074 = r1244072 - r1244073;
        double r1244075 = hi;
        double r1244076 = r1244075 - r1244073;
        double r1244077 = r1244074 / r1244076;
        return r1244077;
}

Error

Bits error versus lo

Bits error versus hi

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 62.0

    \[\frac{x - lo}{hi - lo}\]

  2. Final simplification62.0

    \[\leadsto \frac{x - lo}{hi - lo}\]

Reproduce

herbie shell --seed 2019151 +o rules:numerics
(FPCore (lo hi x)
  :name "(/ (- x lo) (- hi lo))"
  :pre (and (< lo -1e+308) (> hi 1e+308))
  (/ (- x lo) (- hi lo)))