Alg.h

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/*******************************************************************************************[Alg.h]
Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
Copyright (c) 2007-2010, Niklas Sorensson
 
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
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#ifndef Minisat_Alg_h
#define Minisat_Alg_h
 
#include "Vec.h"
 
namespace Minisat
{
    //=================================================================================================
    // Useful functions on vector-like types:
 
    //=================================================================================================
    // Removing and searching for elements:
    //
 
    template<class V, class T>
    static inline void remove( V& ts, const T& t )
    {
        int j = 0;
        for( ; j < ts.size() && ts[j] != t; j++ );
        assert( j < ts.size() );
        for( ; j < ts.size() - 1; j++ )
            ts[j] = ts[j + 1];
        ts.pop();
    }
 
    template<class V, class T>
    static inline bool find( V& ts, const T& t )
    {
        int j = 0;
        for( ; j < ts.size() && ts[j] != t; j++ );
        return j < ts.size();
    }
 
    //=================================================================================================
    // Copying vectors with support for nested vector types:
    //
 
    // Base case:
    template<class T>
    static inline void copy( const T& from, T& to )
    {
        to = from;
    }
 
    // Recursive case:
    template<class T>
    static inline void copy( const vec<T>& from, vec<T>& to, bool append = false )
    {
        if( !append )
            to.clear();
        for( int i = 0; i < from.size(); i++ )
        {
            to.push();
            copy( from[i], to.last() );
        }
    }
 
    template<class T>
    static inline void append( const vec<T>& from, vec<T>& to )
    {
        copy( from, to, true );
    }
 
    //=================================================================================================
}
 
#endif