64 lines
2.6 KiB
C++
64 lines
2.6 KiB
C++
#ifndef SHRINK_TO_FIT_H
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#define SHRINK_TO_FIT_H
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/*
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* Legal Notice
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*
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* This document and associated source code (the "Work") is a part of a
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* benchmark specification maintained by the TPC.
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*
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* The TPC reserves all right, title, and interest to the Work as provided
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* under U.S. and international laws, including without limitation all patent
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* and trademark rights therein.
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*
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* No Warranty
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*
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* 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
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* CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
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* AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
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* WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
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* INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
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* DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
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* PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
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* WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
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* ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
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* QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
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* WITH REGARD TO THE WORK.
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* 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
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* ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
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* COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
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* OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
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* INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
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* OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
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* RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
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* ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* Contributors
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* - Doug Johnson
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*/
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namespace TPCE {
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// Utility functions for tightening up STL containers and strings.
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// With C++11 STL containers and strings have a
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// shrink_to_fit method. But since C++11 features
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// are not supported equally well by all compilers we'll use a
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// general trick that works well but just isn't as obvious to the
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// casual reader of the code. This way, for now, everyone executes
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// the smae code path. When C++11 support is more ubiquitous calls
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// to this function can be replaced by calls to the shrink_to_fit
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// method associated with the object.
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template <class T> void shrink_to_fit(T &container) {
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T(container).swap(container);
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}
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template <class T> void shrink_to_fit(T &container, const std::string &name) {
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printf("%s: shrinking from %d to ", name.c_str(), container.capacity());
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T(container).swap(container);
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printf("%d.\n", container.capacity());
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}
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} // namespace TPCE
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#endif // SHRINK_TO_FIT_H
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