FastMatrixElim.h File Reference

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Classes
class	FastMatrixElim

Functions
void	sortByColumn (vector< unsigned int > &col, vector< double > &entry)

Function Documentation

void sortByColumn	(	vector< unsigned int > &	col,
		vector< double > &	entry
	)

Definition at line 223 of file FastMatrixElim.cpp.

Referenced by FastElim::shuffleRows(), FastMatrixElim::shuffleRows(), and testSorting().

{
    unsigned int num = col.size();
    assert( num == entry.size() );
    // Stupid bubble sort, as we only have up to 5 entries and need to
    // sort both the col and reorder the entries by the same sequence.
    for ( unsigned int i = 0; i < num; ++i ) {
        for ( unsigned int j = 1; j < num; ++j ) {
            if ( col[j] < col[j-1] ) {
                unsigned int temp = col[j];
                col[j] = col[j-1];
                col[j-1] = temp;
                double v = entry[j];
                entry[j] = entry[j-1];
                entry[j-1] = v;
            }
        }
    }
}

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