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AbstractLinAlgPack_COOMatrixClass.cpp
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00001 #if 0
00002 
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00043 
00044 #include <sstream>
00045 
00046 #include "AbstractLinAlgPack_COOMatrixClass.hpp"
00047 #include "AbstractLinAlgPack_SparseCOOReadMatrix.hpp"
00048 #include "DenseLinAlgPack_IVector.hpp"
00049 
00050 // Junk, test compilation
00051 //#include "MemMngPackDef.h"
00052 //MemMngPack::RefCount<double> ref1;
00053 
00054 //#include "SequentialAllocatorPack.hpp"
00055 //template SequentialAllocatorPack::SequentialAllocator<double>;
00056 
00057 // ///////////////////////////////////////////////////////////////////////////////////
00058 // COOMatrix
00059 
00060 AbstractLinAlgPack::COOMatrix& AbstractLinAlgPack::COOMatrix::operator=(const COOMatrix& coom)
00061 {
00062   if(this == &coom) return *this; // assignment to self
00063 
00064   val_.resize(coom.nz_);  // must resize, this is why you can't use default assignment.
00065 
00066   // Now assign the members(this is what the default would have done).
00067   rows_       = coom.rows_;
00068   cols_       = coom.cols_;
00069   nz_         = coom.nz_;
00070   val_        = coom.val_;
00071   ivect_ref_      = coom.ivect_ref_;
00072   jvect_ref_      = coom.jvect_ref_;
00073 
00074   return *this;
00075 }
00076 
00077 void AbstractLinAlgPack::COOMatrix::resize(size_type rows, size_type cols, size_type nz)
00078 {
00079    // don't resize if you don't have to to presearve row and column access just in case.
00080   if(rows == rows_ && cols == cols_ && nz == nz_) return;
00081   
00082   rows_ = rows;
00083   cols_ = cols;
00084   nz_ = nz;
00085   val_.resize(nz);
00086   ivect_ref_.obj().resize(nz);
00087   jvect_ref_.obj().resize(nz);
00088 }
00089 
00090 void AbstractLinAlgPack::COOMatrix::initialize(std::istream& istrm) {
00091   // Read COO matrix into val, ivect, jvect
00092   read_coo_into_valarrays(istrm,rows_,cols_,nz_,val_,ivect_ref_.obj()
00093     ,jvect_ref_.obj());
00094 }
00095 
00096 #endif // 0
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