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https://github.com/YosysHQ/yosys
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84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
/*******************************************************************************************[Alg.h]
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Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
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Copyright (c) 2007-2010, Niklas Sorensson
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
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associated documentation files (the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge, publish, distribute,
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sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or
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substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
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OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************************************/
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#ifndef Minisat_Alg_h
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#define Minisat_Alg_h
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#include "Vec.h"
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namespace Minisat {
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//=================================================================================================
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// Useful functions on vector-like types:
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//=================================================================================================
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// Removing and searching for elements:
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//
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template<class V, class T>
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static inline void remove(V& ts, const T& t)
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{
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int j = 0;
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for (; j < (int)ts.size() && ts[j] != t; j++);
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assert(j < (int)ts.size());
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for (; j < (int)ts.size()-1; j++) ts[j] = ts[j+1];
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ts.pop();
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}
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template<class V, class T>
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static inline bool find(V& ts, const T& t)
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{
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int j = 0;
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for (; j < (int)ts.size() && ts[j] != t; j++);
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return j < (int)ts.size();
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}
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//=================================================================================================
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// Copying vectors with support for nested vector types:
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//
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// Base case:
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template<class T>
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static inline void copy(const T& from, T& to)
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{
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to = from;
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}
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// Recursive case:
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template<class T>
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static inline void copy(const vec<T>& from, vec<T>& to, bool append = false)
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{
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if (!append)
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to.clear();
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for (int i = 0; i < from.size(); i++){
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to.push();
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copy(from[i], to.last());
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}
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}
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template<class T>
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static inline void append(const vec<T>& from, vec<T>& to){ copy(from, to, true); }
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//=================================================================================================
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}
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#endif
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