Reorder.h

Go to the documentation of this file.

#ifndef SHARK_CORE_IMAGE_CPU_REORDER_H
#define SHARK_CORE_IMAGE_CPU_REORDER_H
 
#include <shark/LinAlg/Base.h>
#include <shark/Core/Shape.h>
namespace shark{
 
namespace image{
template<class T>
void reorder_impl(
    blas::dense_vector_adaptor<T const, blas::continuous_dense_tag, blas::cpu_tag> inputs, 
    blas::dense_vector_adaptor<T, blas::continuous_dense_tag, blas::cpu_tag> outputs, 
    std::size_t sizes[4],
    std::size_t strides[4]
){
    std::size_t elem = 0;
    for(std::size_t i0 = 0; i0 != sizes[0]; ++i0){
        for(std::size_t i1 = 0; i1 != sizes[1]; ++i1){
            for(std::size_t i2 = 0; i2 != sizes[2]; ++i2){
                for(std::size_t i3 = 0; i3 != sizes[3]; ++i3, ++elem){
                    std::size_t index = strides[0] * i0 + strides[1] * i1 + strides[2] * i2 + strides[3] * i3;
                    outputs(elem) = inputs(index);
                }
            }
        }
    }
}
 
}}
 
#endif