lapack-0.2.2: src/Numeric/LAPACK/Matrix/Shape/Box.hs

{-# LANGUAGE TypeFamilies #-}
module Numeric.LAPACK.Matrix.Shape.Box where

import qualified Data.Array.Comfort.Shape as Shape


class (Shape.C shape) => Box shape where
   type HeightOf shape
   type WidthOf shape
   height :: shape -> HeightOf shape
   width :: shape -> WidthOf shape

indices ::
   (Box shape,
    HeightOf shape ~ height, Shape.Indexed height,
    WidthOf shape ~ width, Shape.Indexed width) =>
   shape -> [(Shape.Index height, Shape.Index width)]
indices sh = Shape.indices (height sh, width sh)