Implementing CUDA parallel reduction.

TODO: implementovat tridu tnlFileName pro generovani jmen souboru

TODO: metodu pro tnlString pro nahrazeni napr. podretezce XXXXX indexem 00001 tj. uXXXXX.bin -> u00001.bin

      to by melo byt robustnejsi, nez doposavadni pristup 

TODO: implementovat tridu tnlParabolicSolver pro odvozovani resicu k casove promennym uloham

TODO: Nahradit mGrid2D, mGrid3D za mGrid obecne dimenze

TODO: implementovat Mersona v CUDA

TODO: metoda Test do tnlObject

TODO: trida tnlTester pro rizeni testu   

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TODO: objekt pro osetreni chyb - zavedeni funkce tnlGetError   

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            AS_HELP_STRING([--with-cuda-libdir],

                           [says where the CUDA libraries can be found, default is /usr/local/cuda/lib]),

            CUDA_LIBS=$withval)

AC_ARG_WITH(cuda_arch,

            AS_HELP_STRING([--with-cuda-arch],

                           [specifies the CUDA architecture, can be 1.0, 1.1, 1.2 or 1.3 - default is 1.3]),

            CUDA_ARCH=$withval,

            CUDA_ARCH="1.3")

working_nvcc="no"  

if test x$with_cuda = xyes;

then

      CUDA_LDFLAGS="$CUDA_LDFLAGS -lcudart"

      CC="nvcc"

      CXX="nvcc"

      case "$CUDA_ARCH"  in

         1.0 )

            CUDA_CXXFLAGS="$CUDA_CXXFLAGS -arch=sm_10"

         ;;

         1.1 )

            CUDA_CXXFLAGS="$CUDA_CXXFLAGS -arch=sm_11"

         ;;

         1.2 )

            CUDA_CXXFLAGS="$CUDA_CXXFLAGS -arch=sm_12"

         ;;

         1.3 )

            CUDA_CXXFLAGS="$CUDA_CXXFLAGS -arch=sm_13"

         ;;

      esac  

      DBGCXXFLAGS="$DBGCXXFLAGS -deviceemu"    

   else

      CUDA_LDFLAGS=""

      CUDA_CXXFLAGS=""

dnl -----------------------------------------

AC_ARG_ENABLE(debug,[  --enable-debug=[no/yes]	turn on debugging [default=no]] )

if test x"$enable_debug" = xyes; then

   DBGCXXFLAGS="-O0 -DDEBUG"

   DBGCXXFLAGS="$DBGCXXFLAGS -O0 -DDEBUG"

   if test x$CXX != xnvcc;

   then

      DBGCXXFLAGS="$DBGCXXFLAGS -g3 -Wall -W -ansi -Wno-unused"