jblazevic

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  COPYRIGHT 1975 BY BILL GATES AND PAUL ALLEN
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  ORIGINALLY WRITTEN ON THE PDP-10 FROM
  FEBRUARY 9 TO  APRIL 9 1975
  
  BILL GATES WROTE A LOT OF STUFF.
  PAUL ALLEN WROTE A LOT OF OTHER STUFF AND FAST CODE.

    fn multiply_safe(a : Vec<f64>, b : Vec<f64>) -> Vec<f64> {
        if a.len() != b.len() {
            panic!("The two vectors differ in length!");
        }
        return a.iter().zip(b.iter()).map(|(x, y)| x * y).collect()
    }