Average Error: 0.0 → 0.0
Time: 1.6s
Precision: 64
\[a \cdot a - b \cdot b\]
↓
\[a \cdot a - b \cdot b\]
a \cdot a - b \cdot b
↓
a \cdot a - b \cdot b
double f(double a, double b) {
        double r42665472 = a;
        double r42665473 = r42665472 * r42665472;
        double r42665474 = b;
        double r42665475 = r42665474 * r42665474;
        double r42665476 = r42665473 - r42665475;
        return r42665476;
}
↓
double f(double a, double b) {
        double r42665477 = a;
        double r42665478 = r42665477 * r42665477;
        double r42665479 = b;
        double r42665480 = r42665479 * r42665479;
        double r42665481 = r42665478 - r42665480;
        return r42665481;
}

Error

Bits error versus a

Bits error versus b

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[\left(a + b\right) \cdot \left(a - b\right)\]

Derivation

  1. Initial program 0.0

    \[a \cdot a - b \cdot b\]

  2. Final simplification0.0

    \[\leadsto a \cdot a - b \cdot b\]

Reproduce

herbie shell --seed 2019128 
(FPCore (a b)
  :name "Difference of squares"

  :herbie-target
  (* (+ a b) (- a b))

  (- (* a a) (* b b)))