Commit ab81368e authored by Tomáš Oberhuber's avatar Tomáš Oberhuber Committed by Tomáš Oberhuber
Browse files

Added and updated File examples.

parent 6f411470

src/Examples/CMakeLists.txt

+19 −0
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@@ -21,7 +21,19 @@ add_subdirectory( flow-vl ) 
ADD_EXECUTABLE( ArrayExample ArrayExample.cpp )



ADD_EXECUTABLE( ConfigDescriptionExample ConfigDescriptionExample.cpp )



ADD_EXECUTABLE( FileExample FileExample.cpp )

ADD_CUSTOM_COMMAND( COMMAND FileExample > FileExample.out OUTPUT FileExample.out )



IF( BUILD_CUDA )

   CUDA_ADD_EXECUTABLE(FileExampleCuda FileExampleCuda.cu)

   ADD_CUSTOM_COMMAND( COMMAND FileExampleCuda > FileExampleCuda.out OUTPUT FileExampleCuda.out )

ENDIF()



ADD_EXECUTABLE( FileExampleSaveAndLoad FileExampleSaveAndLoad.cpp )

ADD_CUSTOM_COMMAND( COMMAND FileExampleSaveAndLoad > FileExampleSaveAndLoad.out OUTPUT FileExampleSaveAndLoad.out )





ADD_EXECUTABLE( ListExample ListExample.cpp )

ADD_EXECUTABLE( LoggerExample LoggerExample.cpp )

ADD_EXECUTABLE( MathExample MathExample.cpp )
@@ -61,6 +73,8 @@ ADD_CUSTOM_COMMAND( COMMAND TimerExampleLogger > TimerExampleLogger.out OUTPUT T 
ADD_EXECUTABLE( VectorExample VectorExample.cpp )



ADD_CUSTOM_TARGET( run ALL DEPENDS

   FileExample.out

   FileExampleSaveAndLoad.out

   ObjectExample_getType.out

   ParseObjectTypeExample.out

   StringExample.out
@@ -70,3 +84,8 @@ ADD_CUSTOM_TARGET( run ALL DEPENDS 
   StringExampleStrip.out

   TimerExample.out

   TimerExampleLogger.out )



if( BUILD_CUDA )

   ADD_CUSTOM_TARGET( run-cuda ALL DEPENDS

      FileExampleCuda.out )

ENDIF()
 
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src/Examples/FileExampleCuda.cpp

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FileExampleCuda.cu
 
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src/Examples/FileExampleCuda.cu

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+57 −0
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#include <iostream>

#include <TNL/File.h>

#include <cuda.h>



using namespace TNL;

using namespace std;



int main()

{

   const int size = 3;

   double doubleArray[] = {  3.1415926535897932384626433,

                             2.7182818284590452353602874,

                             1.6180339887498948482045868 };



   /***

    * Save array to file.

    */

   File file;

   file.open( "test-file.tnl", File::Mode::Out | File::Mode::Truncate );

   file.save< double, double, Devices::Host >( doubleArray, size );

   file.close();



   /***

    * Allocate arrays on host and device

    */

   double *deviceArray, *hostArray;

   cudaMalloc( ( void** ) &deviceArray, size * sizeof( double ) );

   hostArray = new double[ 3 ];



   /***

    * Read array from the file to device

    */

   file.open( "test-file.tnl", File::Mode::In );

   file.load< double, double, Devices::Cuda >( deviceArray, size );

   file.close();



   /***

    * Copy array from device to host

    */

   cudaMemcpy( ( void* ) hostArray, ( const void* ) deviceArray, size * sizeof( double), cudaMemcpyDeviceToHost );



   /***

    * Print the array on host

    */

   std::cout.precision( 15 );

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

      std::cout << hostArray[ i ] << std::endl;



   /***

    * Free allocated memory

    */

   cudaFree( deviceArray );

   delete[] hostArray;

}

src/Examples/FileExampleSaveAndLoad.cpp

0 → 100644
+48 −0
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#include <iostream>

#include <TNL/File.h>



using namespace TNL;

using namespace std;



int main()

{

   const int size = 3;

   double doubleArray[] = {  3.1415926535897932384626433,

                             2.7182818284590452353602874,

                             1.6180339887498948482045868 };

   float floatArray[ 3 ];

   int intArray[ 3 ];



   /***

    * Save the array of doubles as floats.

    */

   File file;

   file.open( "test-file.tnl", File::Mode::Out | File::Mode::Truncate );

   file.save< double, float, Devices::Host >( doubleArray, size );

   file.close();



   /***

    * Load the array of floats from the file.

    */

   file.open( "test-file.tnl", File::Mode::In );

   file.load< float, float, Devices::Host >( floatArray, size );

   file.close();



   /***

    * Load the array of floats from the file and convert them to integers.

    */

   file.open( "test-file.tnl", File::Mode::In );

   file.load< int, float, Devices::Host >( intArray, size );

   file.close();



   /***

    * Print all arrays.

    */

   std::cout.precision( 15 );

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

      std::cout << doubleArray[ i ] << " -- "

                << floatArray[ i ] << " -- "

                << intArray[ i ] << std::endl;

}

src/Examples/StringExample.cpp

+4 −4
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@@ -46,12 +46,12 @@ int main( int argc, char* argv[] ) 
   if( string1 )

      cout << "string1 is not empty" << endl;



   /*File myFile;

   myFile.open( "string_save.out", File::out );

   File myFile;

   myFile.open( "string_save.out", File::Mode::Out );

   myFile << string1;

   myFile.close();



   myFile.open( "string_save.out", File::in );

   myFile.open( "string_save.out", File::Mode::In );

   myFile >> string3;

   cout << "string 3 after loading = " << string3 << endl;*/

   cout << "string 3 after loading = " << string3 << endl;

}