sum

Undocumented in source. Be warned that the author may not have intended to support it.
  1. void sum(Row!T[] rows, size_t target, size_t[] cols)
  2. S sum(size_t col)
  3. S sum(Row!T rows, size_t col, size_t start, size_t end)
    S
    sum
    (
    S = double
    T
    )
    (
    Row!T rows
    ,
    size_t col
    ,
    size_t start = 0
    ,
    size_t end = size_t.max
    )

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