Compile a file using Cuda or OpenCL language.
bin = gpuBuild(filename);
Name of file without extention.
gpuBuild(filename)
compiles a OpenCL or Cuda file, to be passed to gpuLoadFunction.
In the return value, "bin", we find the file name of kernel compiled and if it's Cuda or OpenCL compiled file.
The use of Cuda or OpenCL is determinate at the compilation of the toolbox and gpuUseCuda function.