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author | Constantin Jucovschi <cj@ubuntu.localdomain> | 2009-04-24 07:20:22 -0400 |
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committer | Constantin Jucovschi <cj@ubuntu.localdomain> | 2009-04-24 07:20:22 -0400 |
commit | 8f27e65bddd7d4b8515ce620fb485fdd78fcdf89 (patch) | |
tree | bd328a4dd4f92d32202241b5e3a7f36177792c5f /rasodmg/dirdecompose.cc | |
download | rasdaman-upstream-8f27e65bddd7d4b8515ce620fb485fdd78fcdf89.tar.gz rasdaman-upstream-8f27e65bddd7d4b8515ce620fb485fdd78fcdf89.tar.xz rasdaman-upstream-8f27e65bddd7d4b8515ce620fb485fdd78fcdf89.zip |
Initial commitv8.0
Diffstat (limited to 'rasodmg/dirdecompose.cc')
-rw-r--r-- | rasodmg/dirdecompose.cc | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/rasodmg/dirdecompose.cc b/rasodmg/dirdecompose.cc new file mode 100644 index 0000000..d00b9b4 --- /dev/null +++ b/rasodmg/dirdecompose.cc @@ -0,0 +1,147 @@ +/* +* 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 <http://www.gnu.org/licenses/>. +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see <http://www.rasdaman.org> +* or contact Peter Baumann via <baumann@rasdaman.com>. +/ +/** + * SOURCE: dirdecomp.cc + * + * MODULE: rasodmg + * CLASS: r_DirDecomp + * + * COMMENTS: + * None + * +*/ + +#include "rasodmg/dirdecompose.hh" +#include <string.h> + +// Default size of the interval buffer for holding intervals +const r_Dimension r_Dir_Decompose::DEFAULT_INTERVALS = 5; + +r_Dir_Decompose::r_Dir_Decompose() +: num_intervals(0), current_interval(0), intervals(NULL) +{ + num_intervals = r_Dir_Decompose::DEFAULT_INTERVALS; + intervals = new r_Range[num_intervals]; +} + +r_Dir_Decompose::~r_Dir_Decompose() +{ + if ( intervals ) + { + delete [] intervals; + intervals = NULL; + } +} + +r_Dir_Decompose::r_Dir_Decompose(const r_Dir_Decompose& other) +: num_intervals(0), current_interval(0), intervals(NULL) +{ + num_intervals = other.num_intervals; + current_interval = other.current_interval; + + if(other.intervals) + { + intervals = new r_Range[num_intervals]; + memcpy(intervals, other.intervals, num_intervals*sizeof(r_Range)); + } +} + +const r_Dir_Decompose& r_Dir_Decompose::operator=(const r_Dir_Decompose& other) +{ + if (this != &other) + { + delete [] intervals; + + num_intervals = other.num_intervals; + current_interval = other.current_interval; + + if(other.intervals) + { + intervals = new r_Range[num_intervals]; + memcpy(intervals, other.intervals, num_intervals*sizeof(r_Range)); + } + } + + return *this; +} + +r_Dir_Decompose& r_Dir_Decompose::operator<<(r_Range limit) +{ + if (current_interval == num_intervals) + { + r_Range *aux = new r_Range[num_intervals*2]; + + for (int i=0; i<num_intervals; i++) + aux[i] = intervals[i]; + + delete [] intervals; + intervals = aux; + + num_intervals*= 2; + } + + intervals[current_interval++] = limit; + + return *this; +} + +int r_Dir_Decompose::get_num_intervals() const +{ + return current_interval; +} + +r_Range r_Dir_Decompose::get_partition(int number) const + throw (r_Eindex_violation) +{ + if (number >= current_interval) + { + r_Eindex_violation err(0, current_interval, number); + throw err; + } + + return intervals[number]; +} + +void r_Dir_Decompose::print_status(std::ostream& os) const +{ + os << "r_Dir_Decompose[ num intervals = " << num_intervals << " current interval = " << current_interval << " intervals = {"; + + for (int i=0; i<current_interval; i++) + os << intervals[i] << " "; + + os << "} ]"; +} + +std::ostream& operator<<(std::ostream& os, const r_Dir_Decompose& d) +{ + d.print_status(os); + + return os; +} + +r_Sinterval +r_Dir_Decompose::get_total_interval( ) +{ + return r_Sinterval( intervals[0], intervals[current_interval - 1]); +} + |