/// <summary>
/// </summary>
public CudaSparseSolveAnalysisInfo()
{
_info = new cusparseSolveAnalysisInfo();
res = CudaSparseNativeMethods.cusparseCreateSolveAnalysisInfo(ref _info);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateSolveAnalysisInfo", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
}
/// <summary>
/// When the matrix descriptor is created, its fields are initialized to:
/// CUSPARSE_MATRIXYPE_GENERAL
/// CUSPARSE_INDEX_BASE_ZERO
/// All other fields are uninitialized
/// </summary>
public CudaSparseMatrixDescriptor()
{
_descr = new cusparseMatDescr();
res = CudaSparseNativeMethods.cusparseCreateMatDescr(ref _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateMatDescr", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
}
/// <summary>
/// </summary>
public CudaSparseHybMat()
{
_hyb = new cusparseHybMat();
res = CudaSparseNativeMethods.cusparseCreateHybMat(ref _hyb);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateHybMat", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
}
/// <summary>
/// SetColorAlgs
/// </summary>
public void SetColorAlgs(cusparseColorAlg alg)
{
res = CudaSparseNativeMethods.cusparseSetColorAlgs(_info, alg);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSetColorAlgs", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
public void SetAttribute(cusparseDiagType diagType)
{
res = CudaSparseNativeMethods.cusparseSpMatSetAttribute(descr, cusparseSpMatAttribute.DiagType, ref diagType, sizeof(cusparseDiagType));
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpMatSetAttribute", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
public void SetValues(CudaDeviceVariable <dataT> data)
{
res = CudaSparseNativeMethods.cusparseDnVecSetValues(descr, data.DevicePointer);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseDnVecSetValues", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// Sets matrix index base
/// </summary>
/// <param name="indexBase"></param>
public void SetMatIndexBase(IndexBase indexBase)
{
res = CudaSparseNativeMethods.cusparseSetMatIndexBase(_descr, indexBase);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSetMatIndexBase", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
///
/// </summary>
public void SetStridedBatch(int batchCount)
{
res = CudaSparseNativeMethods.cusparseSpMatSetStridedBatch(descr, batchCount);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpMatSetStridedBatch", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
///
/// </summary>
public void GetSize()
{
res = CudaSparseNativeMethods.cusparseSpMatGetSize(descr, ref rows, ref cols, ref nnz);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpMatGetSize", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// When the matrix descriptor is created, its fields are initialized to:
/// CUSPARSE_MATRIXYPE_GENERAL
/// CUSPARSE_INDEX_BASE_ZERO
/// All other fields are uninitialized
/// </summary>
public CudaSparseMatrixDescriptor()
{
_descr = new cusparseMatDescr();
res = CudaSparseNativeMethods.cusparseCreateMatDescr(ref _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateMatDescr", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// </summary>
public SpGEMMDescr()
{
descr = new cusparseSpGEMMDescr();
res = CudaSparseNativeMethods.cusparseSpGEMM_createDescr(ref descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpGEMM_createDescr", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
///
/// </summary>
public void SetStridedBatchCsr(int batchCount,
long offsetsBatchStride, long columnsValuesBatchStride)
{
res = CudaSparseNativeMethods.cusparseCsrSetStridedBatch(descr, batchCount, offsetsBatchStride, columnsValuesBatchStride);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCsrSetStridedBatch", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
public void GetAttribute(out cusparseFillMode fillMode)
{
fillMode = cusparseFillMode.Lower;
res = CudaSparseNativeMethods.cusparseSpMatGetAttribute(descr, cusparseSpMatAttribute.FillMode, ref fillMode, sizeof(cusparseFillMode));
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpMatGetAttribute", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// </summary>
public CudaSparseCsrsm2Info()
{
_info = new csrsm2Info();
res = CudaSparseNativeMethods.cusparseCreateCsrsm2Info(ref _info);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateCsrsm2Info", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// </summary>
public CudaSparseHybMat()
{
_hyb = new cusparseHybMat();
res = CudaSparseNativeMethods.cusparseCreateHybMat(ref _hyb);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateHybMat", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// For IDisposable
/// </summary>
/// <param name="fDisposing"></param>
protected virtual void Dispose(bool fDisposing)
{
if (fDisposing && !disposed)
{
//Ignore if failing
res = CudaSparseNativeMethods.cusparseDestroySolveAnalysisInfo(_info);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseDestroySolveAnalysisInfo", res));
disposed = true;
}
if (!fDisposing && !disposed)
Debug.WriteLine(String.Format("ManagedCUDA not-disposed warning: {0}", this.GetType()));
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CudaDeviceVariable <dataT> GetValues()
{
CUdeviceptr devPtr = new CUdeviceptr();
res = CudaSparseNativeMethods.cusparseDnVecGetValues(descr, ref devPtr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseDnVecGetValues", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
return(new CudaDeviceVariable <dataT>(devPtr));
}
/// <summary>
/// </summary>
public DenseVector(long aSize, CudaDeviceVariable <dataT> values)
{
size = aSize;
descr = new cusparseDnVecDescr();
typeData = CudaDataTypeTranslator.GetType(typeof(dataT));
res = CudaSparseNativeMethods.cusparseCreateDnVec(ref descr, size, values.DevicePointer, typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateDnVec", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// Creates a new CudaSparseMatrixDescriptor
/// </summary>
public CudaSparseMatrixDescriptor(cusparseMatrixType matrixType, cusparseFillMode fillMode, cusparseDiagType diagType, cusparseIndexBase indexBase)
{
_descr = new cusparseMatDescr();
res = CudaSparseNativeMethods.cusparseCreateMatDescr(ref _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateMatDescr", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
SetMatType(matrixType);
SetMatFillMode(fillMode);
SetMatDiagType(diagType);
SetMatIndexBase(indexBase);
}
/// <summary>
/// GetColorAlgs
/// </summary>
public cusparseColorAlg GetColorAlgs()
{
cusparseColorAlg retVal = new cusparseColorAlg();
res = CudaSparseNativeMethods.cusparseGetColorAlgs(_info, ref retVal);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseGetColorAlgs", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
return(retVal);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CudaSparseMatrixDescriptor Copy()
{
CudaSparseMatrixDescriptor retVal = new CudaSparseMatrixDescriptor();
res = CudaSparseNativeMethods.cusparseCopyMatDescr(retVal.Descriptor, _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCopyMatDescr", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
return(retVal);
}
/// <summary>
///
/// </summary>
public CudaDeviceVariable <dataT> Get()
{
CUdeviceptr ptrValues = new CUdeviceptr();
res = CudaSparseNativeMethods.cusparseDnMatGet(descr, ref rows, ref cols, ref ld, ref ptrValues, ref typeData, ref order);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseDnMatGet", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
return(new CudaDeviceVariable <dataT>(ptrValues));
}
/// <summary>
///
/// </summary>
public void CooSet(CudaDeviceVariable <indexT> cooRows,
CudaDeviceVariable <indexT> cooColumns,
CudaDeviceVariable <dataT> cooValues)
{
res = CudaSparseNativeMethods.cusparseCooSetPointers(descr, cooRows.DevicePointer,
cooColumns.DevicePointer, cooValues.DevicePointer);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCooSetPointers", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// For IDisposable
/// </summary>
/// <param name="fDisposing"></param>
protected virtual void Dispose(bool fDisposing)
{
if (fDisposing && !disposed)
{
//Ignore if failing
res = CudaSparseNativeMethods.cusparseDestroyCsrsm2Info(_info);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseDestroyCsrsm2Info", res));
disposed = true;
}
if (!fDisposing && !disposed)
{
Debug.WriteLine(String.Format("ManagedCUDA not-disposed warning: {0}", this.GetType()));
}
}
/// <summary>
/// Creates a new CudaSparseMatrixDescriptor
/// </summary>
public CudaSparseMatrixDescriptor(cusparseMatrixType matrixType, cusparseFillMode fillMode, cusparseDiagType diagType, IndexBase indexBase)
{
_descr = new cusparseMatDescr();
res = CudaSparseNativeMethods.cusparseCreateMatDescr(ref _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateMatDescr", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
SetMatType(matrixType);
SetMatFillMode(fillMode);
SetMatDiagType(diagType);
SetMatIndexBase(indexBase);
}
/// <summary>
///
/// </summary>
public void Get(out CudaDeviceVariable <indexT> indices, out CudaDeviceVariable <dataT> values)
{
CUdeviceptr ptrIndices = new CUdeviceptr();
CUdeviceptr ptrValues = new CUdeviceptr();
res = CudaSparseNativeMethods.cusparseSpVecGet(descr, ref size, ref nnz, ref ptrIndices, ref ptrValues, ref typeIndices, ref idxBase, ref typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpVecGet", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
indices = new CudaDeviceVariable <indexT>(ptrIndices);
values = new CudaDeviceVariable <dataT>(ptrValues);
}
/// <summary>
/// </summary>
public SparseVector(long aSize, long aNnz, CudaDeviceVariable <indexT> indices, CudaDeviceVariable <dataT> values, IndexBase aIdxBase)
{
size = aSize;
nnz = aNnz;
idxBase = aIdxBase;
descr = new cusparseSpVecDescr();
typeIndices = IndexTypeTranslator.GetType(typeof(indexT));
typeData = CudaDataTypeTranslator.GetType(typeof(dataT));
res = CudaSparseNativeMethods.cusparseCreateSpVec(ref descr, size, nnz, indices.DevicePointer, values.DevicePointer, typeIndices, idxBase, typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateSpVec", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// </summary>
public DenseMatrix(long aRows, long aCols, long aLd, Order aOrder, CudaDeviceVariable <dataT> values)
{
rows = aRows;
cols = aCols;
ld = aLd;
order = aOrder;
descr = new cusparseDnMatDescr();
typeData = CudaDataTypeTranslator.GetType(typeof(dataT));
res = CudaSparseNativeMethods.cusparseCreateDnMat(ref descr, rows, cols, ld, values.DevicePointer, typeData, order);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateDnMat", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
/// <summary>
/// </summary>
private SparseMatrix(cusparseSpMatDescr aDescr, long aRows, long aCols, long aNnz, IndexBase aIdxBase, IndexType aTypeIndices, cudaDataType aTypeData)
{
rows = aRows;
cols = aCols;
nnz = aNnz;
idxBase = aIdxBase;
descr = aDescr;
typeIndices = aTypeIndices;
typeData = aTypeData;
format = Format.COO;
res = CudaSparseNativeMethods.cusparseSpMatGetFormat(descr, ref format);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSpMatGetFormat", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
}
public void CooAoSGet(out CudaDeviceVariable <indexT> cooInd,
out CudaDeviceVariable <dataT> cooValues)
{
CUdeviceptr ptrIdx = new CUdeviceptr();
CUdeviceptr ptrValues = new CUdeviceptr();
res = CudaSparseNativeMethods.cusparseCooAoSGet(descr, ref rows, ref cols, ref nnz, ref ptrIdx, ref ptrValues, ref typeIndices, ref idxBase, ref typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCooAoSGet", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
cooInd = new CudaDeviceVariable <indexT>(ptrIdx);
cooValues = new CudaDeviceVariable <dataT>(ptrValues);
}
/// <summary>
///
/// </summary>
public void BlockedEllGet(out CudaDeviceVariable <indexT> ellColInd,
out CudaDeviceVariable <dataT> ellValue, out long ellBlockSize, out long ellCols)
{
ellBlockSize = 0;
ellCols = 0;
CUdeviceptr ptrIdx = new CUdeviceptr();
CUdeviceptr ptrValues = new CUdeviceptr();
res = CudaSparseNativeMethods.cusparseBlockedEllGet(descr, ref rows, ref cols, ref ellBlockSize, ref ellCols, ref ptrIdx, ref ptrValues, ref typeIndices, ref idxBase, ref typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseBlockedEllGet", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
ellColInd = new CudaDeviceVariable <indexT>(ptrIdx);
ellValue = new CudaDeviceVariable <dataT>(ptrValues);
}
/// <summary>
///
/// </summary>
public void CsrGet(out CudaDeviceVariable <indexT> csrRowOffsets,
out CudaDeviceVariable <indexT> csrColInd,
out CudaDeviceVariable <dataT> csrValues)
{
CUdeviceptr ptrRowOffsets = new CUdeviceptr();
CUdeviceptr ptrColIdx = new CUdeviceptr();
CUdeviceptr ptrValues = new CUdeviceptr();
IndexType indexTypeOffset = IndexType.Index32I;
res = CudaSparseNativeMethods.cusparseCsrGet(descr, ref rows, ref cols, ref nnz, ref ptrRowOffsets,
ref ptrColIdx, ref ptrValues, ref indexTypeOffset, ref typeIndices, ref idxBase, ref typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCsrGet", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
csrRowOffsets = new CudaDeviceVariable <indexT>(ptrRowOffsets);
csrColInd = new CudaDeviceVariable <indexT>(ptrColIdx);
csrValues = new CudaDeviceVariable <dataT>(ptrValues);
}
public static SparseMatrix <indexT1, dataT1> CreateCooAoS <indexT1, dataT1>(
long rows,
long cols,
long nnz,
CudaDeviceVariable <indexT1> cooInd,
CudaDeviceVariable <dataT1> cooValues,
IndexBase idxBase) where indexT1 : struct where dataT1 : struct
{
cusparseSpMatDescr descr = new cusparseSpMatDescr();
IndexType typeIndices = IndexTypeTranslator.GetType(typeof(indexT1));
cudaDataType typeData = CudaDataTypeTranslator.GetType(typeof(dataT1));
cusparseStatus res = CudaSparseNativeMethods.cusparseCreateCooAoS(ref descr, rows, cols, nnz, cooInd.DevicePointer,
cooValues.DevicePointer, typeIndices, idxBase, typeData);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCreateCooAoS", res));
if (res != cusparseStatus.Success)
{
throw new CudaSparseException(res);
}
return(new SparseMatrix <indexT1, dataT1>(descr, rows, cols, nnz, idxBase, typeIndices, typeData));
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
/// <param name="message"></param>
/// <param name="exception"></param>
public CudaSparseException(cusparseStatus error, string message, Exception exception)
: base(message, exception)
{
this._cudaSparseError = error;
}
private static string GetErrorMessageFromCUResult(cusparseStatus error)
{
string message = string.Empty;
switch (error)
{
case cusparseStatus.Success:
message = "Any CUSPARSE operation is successful.";
break;
case cusparseStatus.NotInitialized:
message = "The CUSPARSE library was not initialized. This is usually caused by the lack of a prior "+
"cusparseCreate() call, an error in the CUDA Runtime API called by the CUSPARSE routine, or an "+
"error in the hardware setup. To correct: call cusparseCreate() prior to the function call; and"+
" check that the hardware, an appropriate version of the driver, and the CUSPARSE library are "+
"correctly installed.";
break;
case cusparseStatus.AllocFailed:
message = "Resource allocation failed inside the CUSPARSE library. This is usually caused by a "+
"cudaMalloc() failure. To correct: prior to the function call, deallocate previously allocated " +
"memory as much as possible.";
break;
case cusparseStatus.InvalidValue:
message = "An unsupported value or parameter was passed to the function (a negative vector size, "+
"for example). To correct: ensure that all the parameters being passed have valid values.";
break;
case cusparseStatus.ArchMismatch:
message = "The function requires a feature absent from the device architecture; usually caused by "+
"the lack of support for atomic operations or double precision. To correct: compile and run the"+
" application on a device with appropriate compute capability, which is 1.1 for 32-bit atomic "+
"operations and 1.3 for double precision.";
break;
case cusparseStatus.MappingError:
message = "An access to GPU memory space failed, which is usually caused by a failure to bind a texture. "+
"To correct: prior to the function call, unbind any previously bound textures.";
break;
case cusparseStatus.ExecutionFailed:
message = "The GPU program failed to execute. This is often caused by a launch failure of the kernel on "+
"the GPU, which can be caused by multiple reasons. To correct: check that the hardware, an appropriate"+
" version of the driver, and the CUSPARSE library are correctly installed.";
break;
case cusparseStatus.InternalError:
message = "An internal CUSPARSE operation failed. This error is usually caused by a cudaMemcpyAsync() "+
"failure. To correct: check that the hardware, an appropriate version of the driver, and the CUSPARSE"+
" library are correctly installed. Also, check that the memory passed as a parameter to the routine "+
"is not being deallocated prior to the routine’s completion.";
break;
case cusparseStatus.MatrixTypeNotSupported:
message = "The matrix type is not supported by this function. This is usually caused by passing an invalid "+
"matrix descriptor to the function. To correct: check that the fields in cusparseMatDescr_t descrA were "+
"set correctly.";
break;
default:
break;
}
return error.ToString() + ": " + message;
}
/// <summary>
/// GetColorAlgs
/// </summary>
public cusparseColorAlg GetColorAlgs()
{
cusparseColorAlg retVal = new cusparseColorAlg();
res = CudaSparseNativeMethods.cusparseGetColorAlgs(_info, ref retVal);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseGetColorAlgs", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
return retVal;
}
/// <summary>
/// SetColorAlgs
/// </summary>
public void SetColorAlgs(cusparseColorAlg alg)
{
res = CudaSparseNativeMethods.cusparseSetColorAlgs(_info, alg);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSetColorAlgs", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
public CudaSparseException(cusparseStatus error)
: base(GetErrorMessageFromCUResult(error))
{
this._cudaSparseError = error;
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
/// <param name="message"></param>
/// <param name="exception"></param>
public CudaSparseException(cusparseStatus error, string message, Exception exception)
: base(message, exception)
{
this._cudaSparseError = error;
}
/// <summary>
/// Sets matrix index base
/// </summary>
/// <param name="indexBase"></param>
public void SetMatIndexBase(cusparseIndexBase indexBase)
{
res = CudaSparseNativeMethods.cusparseSetMatIndexBase(_descr, indexBase);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseSetMatIndexBase", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public CudaSparseMatrixDescriptor Copy()
{
CudaSparseMatrixDescriptor retVal = new CudaSparseMatrixDescriptor();
res = CudaSparseNativeMethods.cusparseCopyMatDescr(retVal.Descriptor, _descr);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cusparseCopyMatDescr", res));
if (res != cusparseStatus.Success)
throw new CudaSparseException(res);
return retVal;
}
/// <summary>
///
/// </summary>
/// <param name="error"></param>
public CudaSparseException(cusparseStatus error)
: base(GetErrorMessageFromCUResult(error))
{
this._cudaSparseError = error;
}
