Average Error: 0.3 → 0
Time: 1.0s
Precision: 64
\[d \cdot 10 + d \cdot 20\]
↓
\[d \cdot \left(10 + 20\right)\]
d \cdot 10 + d \cdot 20
↓
d \cdot \left(10 + 20\right)
double f(double d) {
        double r14658918 = d;
        double r14658919 = 10.0;
        double r14658920 = r14658918 * r14658919;
        double r14658921 = 20.0;
        double r14658922 = r14658918 * r14658921;
        double r14658923 = r14658920 + r14658922;
        return r14658923;
}
↓
double f(double d) {
        double r14658924 = d;
        double r14658925 = 10.0;
        double r14658926 = 20.0;
        double r14658927 = r14658925 + r14658926;
        double r14658928 = r14658924 * r14658927;
        return r14658928;
}

Error

Bits error versus d

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.3
Target0
Herbie0
\[d \cdot 30\]

Derivation

  1. Initial program 0.3

    \[d \cdot 10 + d \cdot 20\]

  2. Simplified0

    \[\leadsto \color{blue}{d \cdot \left(10 + 20\right)}\]

  3. Final simplification0

    \[\leadsto d \cdot \left(10 + 20\right)\]

Reproduce

herbie shell --seed 2019174 
(FPCore (d)
  :name "FastMath test1"

  :herbie-target
  (* d 30.0)

  (+ (* d 10.0) (* d 20.0)))