public static CholmodInfo cConverter(ref SparseMatrixComplex A, CholmodInfo.CholmodMatrixStorage storage)
{
CholmodInfo info = new CholmodInfo();
info.MatrixType = CholmodInfo.CholmodMatrixType.Sparse;
info.MatrixStorageType = storage;
info.MatrixStorageMethod = CholmodInfo.CholmodMatrixStoageMethod.Normal;
info.MatrixItemType = CholmodInfo.CholmodMatrixItemType.Complex;
info.RowCount = A.RowCount;
info.ColumnCount = A.ColumnCount;
switch (storage)
{
case CholmodInfo.CholmodMatrixStorage.CRS:
A.ToCRS(out info.colIndex, out info.rowIndex, out info.values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.CCS:
A.ToCCS(out info.colIndex, out info.rowIndex, out info.values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.Triplet:
A.ToTriplet(out info.colIndex, out info.rowIndex, out info.values, out info.z, out info.nnz);
break;
default:
A.ToTriplet(out info.colIndex, out info.rowIndex, out info.values, out info.z, out info.nnz);
break;
}
return(info);
}
public static CholmodInfo cConverter(ref SparseMatrixComplex A, CholmodInfo.CholmodMatrixStorage storage)
{
CholmodInfo info = new CholmodInfo();
info.MatrixType = CholmodInfo.CholmodMatrixType.Sparse;
info.MatrixStorageType = storage;
info.MatrixStorageMethod = CholmodInfo.CholmodMatrixStoageMethod.Normal;
info.MatrixItemType = CholmodInfo.CholmodMatrixItemType.Complex;
info.RowCount = A.RowCount;
info.ColumnCount = A.ColumnCount;
switch (storage)
{
case CholmodInfo.CholmodMatrixStorage.CRS:
A.ToCRS(out info.colIndex, out info.rowIndex, out info.values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.CCS:
A.ToCCS(out info.colIndex, out info.rowIndex, out info.values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.Triplet:
A.ToTriplet(out info.colIndex, out info.rowIndex, out info.values, out info.z, out info.nnz);
break;
default:
A.ToTriplet(out info.colIndex, out info.rowIndex, out info.values, out info.z, out info.nnz);
break;
}
return info;
}
public static CholmodInfo cConverter(ref SparseMatrixComplex A, CholmodInfo.CholmodMatrixStorage storage, CholmodInfo.CholmodMatrixStoageMethod method)
{
CholmodInfo info = new CholmodInfo();
info.MatrixType = CholmodInfo.CholmodMatrixType.Sparse;
info.MatrixStorageType = storage;
info.MatrixStorageMethod = method;
info.MatrixItemType = CholmodInfo.CholmodMatrixItemType.Complex;
info.RowCount = A.RowCount;
info.ColumnCount = A.ColumnCount;
double[] values = null;
switch (storage)
{
case CholmodInfo.CholmodMatrixStorage.CRS:
A.ToCRS(out info.colIndex, out info.rowIndex, out values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.CCS:
A.ToCCS(out info.colIndex, out info.rowIndex, out values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.Triplet:
A.ToTriplet(out info.colIndex, out info.rowIndex, out values, out info.z, out info.nnz);
break;
default:
A.ToTriplet(out info.colIndex, out info.rowIndex, out values, out info.z, out info.nnz);
break;
}
switch (method)
{
case CholmodInfo.CholmodMatrixStoageMethod.Normal:
info.values = values;
break;
case CholmodInfo.CholmodMatrixStoageMethod.Divided:
double[] realParts = new double[info.nnz];
double[] imgParts = new double[info.nnz];
for (int i = 0; i < info.nnz; i++)
{
realParts[i] = values[2 * i];
imgParts[i] = values[2 * i + 1];
}
info.values = realParts;
info.z = imgParts;
values = null;
break;
default:
break;
}
GC.Collect();
return info;
}
public static CholmodInfo cConverter(ref SparseMatrixComplex A, CholmodInfo.CholmodMatrixStorage storage, CholmodInfo.CholmodMatrixStoageMethod method)
{
CholmodInfo info = new CholmodInfo();
info.MatrixType = CholmodInfo.CholmodMatrixType.Sparse;
info.MatrixStorageType = storage;
info.MatrixStorageMethod = method;
info.MatrixItemType = CholmodInfo.CholmodMatrixItemType.Complex;
info.RowCount = A.RowCount;
info.ColumnCount = A.ColumnCount;
double[] values = null;
switch (storage)
{
case CholmodInfo.CholmodMatrixStorage.CRS:
A.ToCRS(out info.colIndex, out info.rowIndex, out values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.CCS:
A.ToCCS(out info.colIndex, out info.rowIndex, out values, out info.nnz);
break;
case CholmodInfo.CholmodMatrixStorage.Triplet:
A.ToTriplet(out info.colIndex, out info.rowIndex, out values, out info.z, out info.nnz);
break;
default:
A.ToTriplet(out info.colIndex, out info.rowIndex, out values, out info.z, out info.nnz);
break;
}
switch (method)
{
case CholmodInfo.CholmodMatrixStoageMethod.Normal:
info.values = values;
break;
case CholmodInfo.CholmodMatrixStoageMethod.Divided:
double[] realParts = new double[info.nnz];
double[] imgParts = new double[info.nnz];
for (int i = 0; i < info.nnz; i++)
{
realParts[i] = values[2 * i];
imgParts[i] = values[2 * i + 1];
}
info.values = realParts;
info.z = imgParts;
values = null;
break;
default:
break;
}
GC.Collect();
return(info);
}
