Commit aa336ffb authored by Tomáš Oberhuber's avatar Tomáš Oberhuber
Browse files

Writting documentation on SparseMatrixView.

parent 4220d2ef

Documentation/Examples/Matrices/SparseMatrix/CMakeLists.txt

+119 −131
Original line number Diff line number Diff line
@@ -84,65 +84,60 @@ IF( BUILD_CUDA ) 
                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixExample_forAllRows.out

                       OUTPUT SparseMatrixExample_forAllRows.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_constructor_cuda SparseMatrixViewExample_constructor.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_constructor_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_constructor.out

#                       OUTPUT SparseMatrixViewExample_constructor.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getCompressedRowLengths_cuda SparseMatrixViewExample_getCompressedRowLengths.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getCompressedRowLengths_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getCompressedRowLengths.out

#                       OUTPUT SparseMatrixViewExample_getCompressedRowLengths.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getElementsCount_cuda SparseMatrixViewExample_getElementsCount.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getElementsCount_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getElementsCount.out

#                       OUTPUT SparseMatrixViewExample_getElementsCount.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getConstRow_cuda SparseMatrixViewExample_getConstRow.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getConstRow_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getConstRow.out

#                       OUTPUT SparseMatrixViewExample_getConstRow.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getRow_cuda SparseMatrixViewExample_getRow.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getRow_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getRow.out

#                       OUTPUT SparseMatrixViewExample_getRow.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_setElement_cuda SparseMatrixViewExample_setElement.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_setElement_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_setElement.out

#                       OUTPUT SparseMatrixViewExample_setElement.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_addElement_cuda SparseMatrixViewExample_addElement.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_addElement_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_addElement.out

#                       OUTPUT SparseMatrixViewExample_addElement.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getElement_cuda SparseMatrixViewExample_getElement.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getElement_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getElement.out

#                       OUTPUT SparseMatrixViewExample_getElement.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_rowsReduction_cuda SparseMatrixViewExample_rowsReduction.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_rowsReduction_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_rowsReduction.out

#                       OUTPUT SparseMatrixViewExample_rowsReduction.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_allRowsReduction_cuda SparseMatrixViewExample_allRowsReduction.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_allRowsReduction_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_allRowsReduction.out

#                       OUTPUT SparseMatrixViewExample_allRowsReduction.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_forRows_cuda SparseMatrixViewExample_forRows.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forRows_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forRows.out

#                       OUTPUT SparseMatrixViewExample_forRows.out )



#   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_forAllRows_cuda SparseMatrixViewExample_forAllRows.cu )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forAllRows_cuda >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forAllRows.out

#                       OUTPUT SparseMatrixViewExample_forAllRows.out )

   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getSerializationType_cuda SparseMatrixViewExample_getSerializationType.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getSerializationType_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getSerializationType.out

                       OUTPUT SparseMatrixViewExample_getSerializationType.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getCompressedRowLengths_cuda SparseMatrixViewExample_getCompressedRowLengths.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getCompressedRowLengths_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getCompressedRowLengths.out

                       OUTPUT SparseMatrixViewExample_getCompressedRowLengths.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getConstRow_cuda SparseMatrixViewExample_getConstRow.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getConstRow_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getConstRow.out

                       OUTPUT SparseMatrixViewExample_getConstRow.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getRow_cuda SparseMatrixViewExample_getRow.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getRow_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getRow.out

                       OUTPUT SparseMatrixViewExample_getRow.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_setElement_cuda SparseMatrixViewExample_setElement.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_setElement_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_setElement.out

                       OUTPUT SparseMatrixViewExample_setElement.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_addElement_cuda SparseMatrixViewExample_addElement.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_addElement_cuda >

                       ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_addElement.out

                       OUTPUT SparseMatrixViewExample_addElement.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_getElement_cuda SparseMatrixViewExample_getElement.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getElement_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getElement.out

                       OUTPUT SparseMatrixViewExample_getElement.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_rowsReduction_cuda SparseMatrixViewExample_rowsReduction.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_rowsReduction_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_rowsReduction.out

                       OUTPUT SparseMatrixViewExample_rowsReduction.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_allRowsReduction_cuda SparseMatrixViewExample_allRowsReduction.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_allRowsReduction_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_allRowsReduction.out

                       OUTPUT SparseMatrixViewExample_allRowsReduction.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_forRows_cuda SparseMatrixViewExample_forRows.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forRows_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forRows.out

                       OUTPUT SparseMatrixViewExample_forRows.out )



   CUDA_ADD_EXECUTABLE( SparseMatrixViewExample_forAllRows_cuda SparseMatrixViewExample_forAllRows.cu )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forAllRows_cuda >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forAllRows.out

                       OUTPUT SparseMatrixViewExample_forAllRows.out )



ELSE()

   ADD_EXECUTABLE( SparseMatrixExample_Constructor_init_list_1 SparseMatrixExample_Constructor_init_list_1.cpp )
@@ -230,65 +225,60 @@ ELSE() 
                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixExample_forAllRows.out

                       OUTPUT SparseMatrixExample_forAllRows.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_constructor SparseMatrixViewExample_constructor.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_constructor >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_constructor.out

#                       OUTPUT SparseMatrixViewExample_constructor.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_getCompressedRowLengths SparseMatrixViewExample_getCompressedRowLengths.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getCompressedRowLengths >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getCompressedRowLengths.out

#                       OUTPUT SparseMatrixViewExample_getCompressedRowLengths.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_getElementsCount SparseMatrixViewExample_getElementsCount.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getElementsCount >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getElementsCount.out

#                       OUTPUT SparseMatrixViewExample_getElementsCount.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_getConstRow SparseMatrixViewExample_getConstRow.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getConstRow >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getConstRow.out

#                       OUTPUT SparseMatrixViewExample_getConstRow.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_getRow SparseMatrixViewExample_getRow.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getRow >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getRow.out

#                       OUTPUT SparseMatrixViewExample_getRow.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_setElement SparseMatrixViewExample_setElement.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_setElement >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_setElement.out

#                       OUTPUT SparseMatrixViewExample_setElement.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_addElement SparseMatrixViewExample_addElement.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_addElement >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_addElement.out

#                       OUTPUT SparseMatrixViewExample_addElement.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_getElement SparseMatrixViewExample_getElement.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getElement >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getElement.out

#                       OUTPUT SparseMatrixViewExample_getElement.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_rowsReduction SparseMatrixViewExample_rowsReduction.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_rowsReduction >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_rowsReduction.out

#                       OUTPUT SparseMatrixViewExample_rowsReduction.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_allRowsReduction SparseMatrixViewExample_allRowsReduction.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_allRowsReduction >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_allRowsReduction.out

#                       OUTPUT SparseMatrixViewExample_allRowsReduction.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_forRows SparseMatrixViewExample_forRows.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forRows >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forRows.out

#                       OUTPUT SparseMatrixViewExample_forRows.out )



#   ADD_EXECUTABLE( SparseMatrixViewExample_forAllRows SparseMatrixViewExample_forAllRows.cpp )

#   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forAllRows >

#                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forAllRows.out

#                       OUTPUT SparseMatrixViewExample_forAllRows.out )

   ADD_EXECUTABLE( SparseMatrixViewExample_getSerializationType SparseMatrixViewExample_getSerializationType.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getSerializationType >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getSerializationType.out

                       OUTPUT SparseMatrixViewExample_getSerializationType.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_getCompressedRowLengths SparseMatrixViewExample_getCompressedRowLengths.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getCompressedRowLengths >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getCompressedRowLengths.out

                       OUTPUT SparseMatrixViewExample_getCompressedRowLengths.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_getConstRow SparseMatrixViewExample_getConstRow.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getConstRow >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getConstRow.out

                       OUTPUT SparseMatrixViewExample_getConstRow.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_getRow SparseMatrixViewExample_getRow.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getRow >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getRow.out

                       OUTPUT SparseMatrixViewExample_getRow.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_setElement SparseMatrixViewExample_setElement.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_setElement >

                       ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_setElement.out

                       OUTPUT SparseMatrixViewExample_setElement.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_addElement SparseMatrixViewExample_addElement.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_addElement >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_addElement.out

                       OUTPUT SparseMatrixViewExample_addElement.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_getElement SparseMatrixViewExample_getElement.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_getElement >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_getElement.out

                       OUTPUT SparseMatrixViewExample_getElement.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_rowsReduction SparseMatrixViewExample_rowsReduction.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_rowsReduction >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_rowsReduction.out

                       OUTPUT SparseMatrixViewExample_rowsReduction.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_allRowsReduction SparseMatrixViewExample_allRowsReduction.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_allRowsReduction >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_allRowsReduction.out

                       OUTPUT SparseMatrixViewExample_allRowsReduction.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_forRows SparseMatrixViewExample_forRows.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forRows >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forRows.out

                       OUTPUT SparseMatrixViewExample_forRows.out )



   ADD_EXECUTABLE( SparseMatrixViewExample_forAllRows SparseMatrixViewExample_forAllRows.cpp )

   ADD_CUSTOM_COMMAND( COMMAND SparseMatrixViewExample_forAllRows >

                        ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SparseMatrixViewExample_forAllRows.out

                       OUTPUT SparseMatrixViewExample_forAllRows.out )



ENDIF()
@@ -310,18 +300,16 @@ ADD_CUSTOM_TARGET( RunSparseMatricesExamples ALL DEPENDS 
   SparseMatrixExample_allRowsReduction.out

   SparseMatrixExample_forRows.out

   SparseMatrixExample_forAllRows.out

#   SparseMatrixViewExample_constructor.out

#   SparseMatrixViewExample_getCompressedRowLengths.out

#   SparseMatrixViewExample_getElementsCount.out

#   SparseMatrixViewExample_getConstRow.out

#   SparseMatrixViewExample_getRow.out

#   SparseMatrixViewExample_setElement.out

#   SparseMatrixViewExample_addElement.out

#   SparseMatrixViewExample_getElement.out

#   SparseMatrixViewExample_rowsReduction.out

#   SparseMatrixViewExample_allRowsReduction.out

#   SparseMatrixViewExample_forRows.out

#   SparseMatrixViewExample_forAllRows.out



   SparseMatrixViewExample_getSerializationType.out

   SparseMatrixViewExample_getCompressedRowLengths.out

   SparseMatrixViewExample_getConstRow.out

   SparseMatrixViewExample_getRow.out

   SparseMatrixViewExample_setElement.out

   SparseMatrixViewExample_addElement.out

   SparseMatrixViewExample_getElement.out

   SparseMatrixViewExample_rowsReduction.out

   SparseMatrixViewExample_allRowsReduction.out

   SparseMatrixViewExample_forRows.out

   SparseMatrixViewExample_forAllRows.out

)

Documentation/Examples/Matrices/SparseMatrix/SparseMatrixViewExample_addElement.cpp

0 → 100644
+31 −0
Original line number Diff line number Diff line 
#include <iostream>

#include <TNL/Matrices/SparseMatrix.h>

#include <TNL/Devices/Host.h>



template< typename Device >

void addElements()

{

   TNL::Matrices::SparseMatrix< double, Device > matrix( { 5, 5, 5, 5, 5 }, 5 );

   auto view = matrix.getView();

   for( int i = 0; i < 5; i++ )

      view.setElement( i, i, i );



   std::cout << "Initial matrix is: " << std::endl << matrix << std::endl;



   for( int i = 0; i < 5; i++ )

      for( int j = 0; j < 5; j++ )

         view.addElement( i, j, 1.0, 5.0 );



   std::cout << "Matrix after addition is: " << std::endl << matrix << std::endl;

}



int main( int argc, char* argv[] )

{

   std::cout << "Add elements on host:" << std::endl;

   addElements< TNL::Devices::Host >();



#ifdef HAVE_CUDA

   std::cout << "Add elements on CUDA device:" << std::endl;

   addElements< TNL::Devices::Cuda >();

#endif

}

Documentation/Examples/Matrices/SparseMatrix/SparseMatrixViewExample_addElement.cu

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+1 −0
Original line number Diff line number Diff line 
SparseMatrixViewExample_addElement.cpp
 
 No newline at end of file

Documentation/Examples/Matrices/SparseMatrix/SparseMatrixViewExample_allRowsReduction.cpp

0 → 100644
+68 −0
Original line number Diff line number Diff line 
#include <iostream>

#include <iomanip>

#include <functional>

#include <TNL/Matrices/SparseMatrix.h>

#include <TNL/Devices/Host.h>

#include <TNL/Devices/Cuda.h>



template< typename Device >

void allRowsReduction()

{

   TNL::Matrices::SparseMatrix< double, Device > matrix ( 5, 5, {

      { 0, 0, 1 },

      { 1, 1, 1 }, { 1, 2, 8 },

      { 2, 2, 1 }, { 2, 3, 9 },

      { 3, 3, 1 }, { 3, 4, 9 },

      { 4, 4, 1 } } );

   auto matrixView = matrix.getView();



   /***

    * Find largest element in each row.

    */

   TNL::Containers::Vector< double, Device > rowMax( matrix.getRows() );



   /***

    * Prepare vector view and matrix view for lambdas.

    */

   auto rowMaxView = rowMax.getView();



   /***

    * Fetch lambda just returns absolute value of matrix elements.

    */

   auto fetch = [=] __cuda_callable__ ( int rowIdx, int columnIdx, const double& value ) -> double {

      return TNL::abs( value );

   };



   /***

    * Reduce lambda return maximum of given values.

    */

   auto reduce = [=] __cuda_callable__ ( double& a, const double& b ) -> double {

      return TNL::max( a, b );

   };



   /***

    * Keep lambda store the largest value in each row to the vector rowMax.

    */

   auto keep = [=] __cuda_callable__ ( int rowIdx, const double& value ) mutable {

      rowMaxView[ rowIdx ] = value;

   };



   /***

    * Compute the largest values in each row.

    */

   matrixView.allRowsReduction( fetch, reduce, keep, std::numeric_limits< double >::lowest() );



   std::cout << "The matrix reads as: " << std::endl << matrix << std::endl;

   std::cout << "Max. elements in rows are: " << rowMax << std::endl;

}



int main( int argc, char* argv[] )

{

   std::cout << "All rows reduction on host:" << std::endl;

   allRowsReduction< TNL::Devices::Host >();



#ifdef HAVE_CUDA

   std::cout << "All rows reduction on CUDA device:" << std::endl;

   allRowsReduction< TNL::Devices::Cuda >();

#endif

}

Documentation/Examples/Matrices/SparseMatrix/SparseMatrixViewExample_allRowsReduction.cu

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Original line number Diff line number Diff line 
SparseMatrixViewExample_allRowsReduction.cpp
 
 No newline at end of file