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)abbrev domain IIARRAY2 InnerIndexedTwoDimensionalArray
++ Author: Mark Botch
++ Description:
++ There is no description for this domain

InnerIndexedTwoDimensionalArray(R,mnRow,mnCol,Row,Col) : SIG == CODE where
  R : Type
  mnRow : Integer
  mnCol : Integer

  Row : FiniteLinearAggregate R
  Col : FiniteLinearAggregate R

  SIG ==> TwoDimensionalArrayCategory(R,Row,Col)

  CODE ==> add

    Rep := PrimitiveArray PrimitiveArray R

--% Predicates

    empty? m == empty?(m)$Rep

--% Primitive array creation

    empty() == empty()$Rep

    new(rows,cols,a) ==
      rows = 0 =>
        error "new: arrays with zero rows are not supported"
      arr : PrimitiveArray PrimitiveArray R := new(rows,empty())
      for i in minIndex(arr)..maxIndex(arr) repeat
        qsetelt_!(arr,i,new(cols,a))
      arr

--% Size inquiries

    minRowIndex m == mnRow

    minColIndex m == mnCol

    maxRowIndex m == nrows m + mnRow - 1

    maxColIndex m == ncols m + mnCol - 1

    nrows m == (# m)$Rep

    ncols m ==
      empty? m => 0
      # m(minIndex(m)$Rep)

--% Part selection/assignment

    qelt(m,i,j) ==
      qelt(qelt(m,i - minRowIndex m)$Rep,j - minColIndex m)

    elt(m:%,i:Integer,j:Integer) ==
      i < minRowIndex(m) or i > maxRowIndex(m) =>
        error "elt: index out of range"
      j < minColIndex(m) or j > maxColIndex(m) =>
        error "elt: index out of range"
      qelt(m,i,j)

    qsetelt_!(m,i,j,r) ==
      setelt(qelt(m,i - minRowIndex m)$Rep,j - minColIndex m,r)

    setelt(m:%,i:Integer,j:Integer,r:R) ==
      i < minRowIndex(m) or i > maxRowIndex(m) =>
        error "setelt: index out of range"
      j < minColIndex(m) or j > maxColIndex(m) =>
        error "setelt: index out of range"
      qsetelt_!(m,i,j,r)

    if R has SetCategory then
        latex(m : %) : String ==
          s : String := "\left[ \begin{array}{"
          j : Integer
          for j in minColIndex(m)..maxColIndex(m) repeat
            s := concat(s,"c")$String
          s := concat(s,"} ")$String
          i : Integer
          for i in minRowIndex(m)..maxRowIndex(m) repeat
            for j in minColIndex(m)..maxColIndex(m) repeat
              s := concat(s, latex(qelt(m,i,j))$R)$String
              if j < maxColIndex(m) then s := concat(s, " & ")$String
            if i < maxRowIndex(m) then s := concat(s, " \\ ")$String
          concat(s, "\end{array} \right]")$String