From 8f27e65bddd7d4b8515ce620fb485fdd78fcdf89 Mon Sep 17 00:00:00 2001 From: Constantin Jucovschi Date: Fri, 24 Apr 2009 07:20:22 -0400 Subject: Initial commit --- rasodmg/dirdecompose.hh | 114 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 rasodmg/dirdecompose.hh (limited to 'rasodmg/dirdecompose.hh') diff --git a/rasodmg/dirdecompose.hh b/rasodmg/dirdecompose.hh new file mode 100644 index 0000000..c183fd0 --- /dev/null +++ b/rasodmg/dirdecompose.hh @@ -0,0 +1,114 @@ +/* +* This file is part of rasdaman community. +* +* Rasdaman community 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 3 of the License, or +* (at your option) any later version. +* +* Rasdaman community 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 rasdaman community. If not, see . +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see +* or contact Peter Baumann via . +/ +/** + * INCLUDE: dirdecomp.hh + * + * MODULE: rasodmg + * CLASS: r_Dir_Decompose + * + * COMMENTS: + * None +*/ + +#ifndef _R_DIRDECOMPOSE_HH_ +#define _R_DIRDECOMPOSE_HH_ + +// Include statements + +#include +using std::cout; + +#include "raslib/error.hh" +#include "raslib/sinterval.hh" + +//@ManMemo: Module {\bf rasodmg} + +/*@Doc: + + The {\tt r_Dir_Decompose} class is used to specify a decomposition on + an n-dimensional cube (for use in {\tt r_Dir_Tiling}). For instance, to + specify a tiling restriction on a dimension with the form: [0, 2, 4, 5], + the following code would apply: + + r_Dir_Decompose decomp; + + decomp << 0 << 2 << 4 << 5; + + Note that the first and the last elements input into the object must be + the origin and limit of that dimension or else a cross-section of the domain + will occur (as if the elements outside the specification wouldn't mind). + + If one dimension is considered to be a prefered access direction, then + the r_Dir_Decompose should be empty, this is, no restriction should be + entered. +*/ + +class r_Dir_Decompose +{ + public: + + r_Dir_Decompose(); + + virtual ~r_Dir_Decompose(); + + /// Copy constructor + r_Dir_Decompose(const r_Dir_Decompose& other); + + /// Assigment operator + const r_Dir_Decompose& operator=(const r_Dir_Decompose& other); + + /// Reads a new limit for the current dimension + r_Dir_Decompose& operator<<(r_Range limit); + + /// Gets the number of intervals the dimension is to be split into + int get_num_intervals() const; + + /// Gets a restriction + r_Range get_partition(int number) const throw (r_Eindex_violation); + + /// Prints the current status of the object + virtual void print_status(std::ostream& os = cout ) const; + +protected: + r_Sinterval get_total_interval( ); + + /// Initial number of intervals of the buffer + const static r_Dimension DEFAULT_INTERVALS; + + /// The number of intervals that this object can currently suport + r_Dimension num_intervals; + + /// The current interval that is being used for input + r_Dimension current_interval; + + /// The buffer that holds the information + r_Range* intervals; +}; + +//@ManMemo: Module: {\bf rasodmg} +/** + Prints the status of an r_Dir_Decompose object to a stream +*/ +extern std::ostream& operator<<(std::ostream& os, const r_Dir_Decompose& d); + +#endif -- cgit