-- Area.hs -- hgeometric: A geometric library with bindings to GPC. -- Area.hs is part of hgeometric. -- Copyright (C) 2007 Marco TĂșlio Gontijo e Silva -- hgeometric is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; either version 2 of the License, or -- (at your option) any later version. -- hgeometric is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- You should have received a copy of the GNU General Public License -- along with hgeometric; if not, write to the Free Software -- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -- | 'Area' calculation. module Algebra.Geometric.Area (Area (area)) where -- | Calculates the 'area' of an geometric object. class Area a where area :: a -> Double