Function shape_to_valid_region

tests/Utils.h:220–245

Create a valid region based on tensor shape, border mode and border size * * @param[in] a_shape Shape used as size of the valid region. * @param[in] border_undefined (Optional) Boolean indicating if the border mode is undefined. * @param[in] border_size (Optional) Border size used to specify the region to exclude. * * @return A valid region starting at (0, 0, ...) with size of

 *  return A valid region starting at (@p border_size.left, @p border_size.top, ...) with reduced size of @p shape.
 */
inline ValidRegion
shape_to_valid_region(const TensorShape &a_shape, bool border_undefined = false, BorderSize border_size = BorderSize(0))
{
    ValidRegion valid_region{Coordinates(), a_shape};

    Coordinates &anchor = valid_region.anchor;
    TensorShape &shape  = valid_region.shape;

    if (border_undefined)
    {
        ARM_COMPUTE_ERROR_ON(shape.num_dimensions() < 2);

        anchor.set(0, border_size.left);
        anchor.set(1, border_size.top);

        const int valid_shape_x = std::max(0, static_cast<int>(shape.x()) - static_cast<int>(border_size.left) -
                                                  static_cast<int>(border_size.right));
        const int valid_shape_y = std::max(0, static_cast<int>(shape.y()) - static_cast<int>(border_size.top) -
                                                  static_cast<int>(border_size.bottom));

        shape.set(0, valid_shape_x);
        shape.set(1, valid_shape_y);
    }

    return valid_region;
}

/** Write the value after casting the pointer according to @p data_type.
 *