Data.Array.Accelerate.Arithmetic.Sparse

Documentation

data ColumnMatrix ix a

Sparse matrix with a definite number of non-zero entries per column.

Constructors

ColumnMatrix

Fields

numRows :: Exp Int

columnMatrix :: Matrix ix (Int, a)

realIndex :: (Shape ix, Slice ix, Elt a) => Matrix ix (Int, a) -> Matrix ix (ix :. Int)

multiplyColumnMatrixVector :: (Shape ix, Slice ix, IsNum a, Elt a) => ColumnMatrix ix a -> Vector ix a -> Vector ix a

transposeColumnMatrix :: (Shape ix, Slice ix, IsNum a, Elt a) => ColumnMatrix ix a -> RowMatrix ix a

data RowMatrix ix a

Sparse matrix with a definite number of non-zero entries per row.

Constructors

RowMatrix

Fields

numCols :: Exp Int

rowMatrix :: Matrix ix (Int, a)

multiplyRowMatrixVector :: (Shape ix, Slice ix, IsNum a, Elt a) => RowMatrix ix a -> Vector ix a -> Vector ix a

transposeRowMatrix :: (Shape ix, Slice ix, IsNum a, Elt a) => RowMatrix ix a -> ColumnMatrix ix a

multiplyMatrixMatrix :: (Shape ix, Slice ix, IsNum a, Elt a) => ColumnMatrix ix a -> RowMatrix ix a -> Matrix ix a

matchMatrices :: (Shape ix, Slice ix, IsNum a, Elt a) => Matrix ix (Int, a) -> Matrix ix (Int, a) -> Matrix (ix :. Int) ((Int, Int), a)

scaleRowRows :: (Slice ix, Shape ix, Elt a, IsNum a) => Vector ix a -> RowMatrix ix a -> RowMatrix ix a