static ViennaCLStatus init_host_vector(viennacl::backend::mem_handle & h, ViennaCLVector x)
{
h.switch_active_handle_id(viennacl::MAIN_MEMORY);
h.ram_handle().reset(x->host_mem);
h.ram_handle().inc();
if (x->precision == ViennaCLFloat)
h.raw_size(static_cast<viennacl::vcl_size_t>(x->inc) * static_cast<viennacl::vcl_size_t>(x->size) * sizeof(float)); // not necessary, but still set for conciseness
else if (x->precision == ViennaCLDouble)
h.raw_size(static_cast<viennacl::vcl_size_t>(x->inc) * static_cast<viennacl::vcl_size_t>(x->size) * sizeof(double)); // not necessary, but still set for conciseness
else
return ViennaCLGenericFailure;
return ViennaCLSuccess;
}
static ViennaCLStatus init_opencl_vector(viennacl::backend::mem_handle & h, ViennaCLVector x)
{
#ifdef VIENNACL_WITH_OPENCL
h.switch_active_handle_id(viennacl::OPENCL_MEMORY);
h.opencl_handle() = x->opencl_mem;
h.opencl_handle().inc();
if (x->precision == ViennaCLFloat)
h.raw_size(static_cast<viennacl::vcl_size_t>(x->inc) * static_cast<viennacl::vcl_size_t>(x->size) * sizeof(float)); // not necessary, but still set for conciseness
else if (x->precision == ViennaCLDouble)
h.raw_size(static_cast<viennacl::vcl_size_t>(x->inc) * static_cast<viennacl::vcl_size_t>(x->size) * sizeof(double)); // not necessary, but still set for conciseness
else
return ViennaCLGenericFailure;
return ViennaCLSuccess;
#else
(void)h;
(void)x;
return ViennaCLGenericFailure;
#endif
}
static ViennaCLStatus init_cuda_vector(viennacl::backend::mem_handle & h, ViennaCLVector x)
{
#ifdef VIENNACL_WITH_CUDA
h.switch_active_handle_id(viennacl::CUDA_MEMORY);
h.cuda_handle().reset(x->cuda_mem);
h.cuda_handle().inc();
if (x->precision == ViennaCLFloat)
h.raw_size(x->inc * x->size * sizeof(float)); // not necessary, but still set for conciseness
else if (x->precision == ViennaCLDouble)
h.raw_size(x->inc * x->size * sizeof(double)); // not necessary, but still set for conciseness
else
return ViennaCLGenericFailure;
return ViennaCLSuccess;
#else
(void)h;
(void)x;
return ViennaCLGenericFailure;
#endif
}