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Diffstat (limited to 'relcatalogif/doubletype.C')
| -rw-r--r-- | relcatalogif/doubletype.C | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/relcatalogif/doubletype.C b/relcatalogif/doubletype.C new file mode 100644 index 0000000..0258c1a --- /dev/null +++ b/relcatalogif/doubletype.C @@ -0,0 +1,154 @@ +/* +* 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>. +*/ +/************************************************************* + * + * + * PURPOSE: + * uses ODMG-conformant O2 classes + * + * + * COMMENTS: + * none + * + ************************************************************/ + +static const char rcsid[] = "@(#)catalogif,DoubleType: $Header: /home/rasdev/CVS-repository/rasdaman/relcatalogif/doubletype.C,v 1.8 2003/12/27 23:23:04 rasdev Exp $"; + +#include "doubletype.hh" +#include <iomanip> +#include <string.h> + +DoubleType::DoubleType(const OId& id) throw (r_Error) + : RealType(id) + { + readFromDb(); + } + +/************************************************************* + * Method name...: DoubleType(); + * + * Arguments.....: none + * Return value..: none + * Description...: initializes member variables for an + * DoubleType. + ************************************************************/ + +DoubleType::DoubleType() + : RealType(DoubleType::Name, 8) + { + myType = DOUBLE; + myOId = OId(DOUBLE, OId::ATOMICTYPEOID); + } + +/************************************************************* + * Method name...: DoubleType(const DoubleType& old); + * + * Arguments.....: none + * Return value..: none + * Description...: copy constructor + ************************************************************/ + +DoubleType::DoubleType(const DoubleType& old) : + RealType(old) +{ +} + +/************************************************************* + * Method name...: operator=(const DoubleType&); + * + * Arguments.....: none + * Return value..: none + * Description...: copy constructor + ************************************************************/ + +DoubleType& +DoubleType::operator=(const DoubleType& old) + { + // Gracefully handle self assignment + if (this == &old) + return *this; + AtomicType::operator=(old); + return *this; + } + +/************************************************************* + * Method name...: ~DoubleType(); + * + * Arguments.....: none + * Return value..: none + * Description...: virtual destructor + ************************************************************/ + +DoubleType::~DoubleType() +{ +} + +void +DoubleType::readFromDb() throw (r_Error) + { + size = 8; + setName(DoubleType::Name); + myType = DOUBLE; + myOId = OId(DOUBLE, OId::ATOMICTYPEOID); + } + +/************************************************************* + * Method name...: void printCell( ostream& stream, + * const char* cell ) + * + * Arguments.....: + * stream: stream to print on + * cell: pointer to cell to print + * Return value..: none + * Description...: prints a cell cell in hex on stream + * followed by a space. + * Assumes that Double is stored MSB..LSB + * on HP. + ************************************************************/ + +void +DoubleType::printCell( ostream& stream, const char* cell ) const +{ + // !!!! HP specific, assumes 4 Byte double and MSB..LSB + // byte order + stream << *(double*)cell << " "; +} + +double* +DoubleType::convertToCDouble(const char* cell, double* value) const +{ + // !!!! HP specific, assumes 8 Byte double + // byte order + *value = *(double*)cell; + return value; +} + + +char* +DoubleType::makeFromCDouble(char* cell, const double* value) const +{ + // !!!! HP specific, assumes 4 Byte double and MSB..LSB + // byte order + *(double*)(cell) = *value; + return cell; +} |