Average Error: 0.3 → 0
Time: 955.0ms
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 r12321100 = d;
        double r12321101 = 10.0;
        double r12321102 = r12321100 * r12321101;
        double r12321103 = 20.0;
        double r12321104 = r12321100 * r12321103;
        double r12321105 = r12321102 + r12321104;
        return r12321105;
}
↓
double f(double d) {
        double r12321106 = d;
        double r12321107 = 10.0;
        double r12321108 = 20.0;
        double r12321109 = r12321107 + r12321108;
        double r12321110 = r12321106 * r12321109;
        return r12321110;
}

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 2019173 
(FPCore (d)
  :name "FastMath test1"

  :herbie-target
  (* d 30.0)

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