Method is_constrained

backends/vulkan/utils.py:987–1008

A "constrained" RepSet is one that has either: 1. A single valid texture memory layout, and no valid buffer memory layouts 2. No valid texture memory layouts, and a single valid buffer memory layout 3. Is empty In this case, it is unambiguous which represent

(self)

            return TensorRepr(VkStorageType.BUFFER, self.first_valid_buffer_layout())

    def is_constrained(self) -> bool:
        """
        A "constrained" RepSet is one that has either:
        1. A single valid texture memory layout, and no valid buffer memory layouts
        2. No valid texture memory layouts, and a single valid buffer memory layout
        3. Is empty

        In this case, it is unambiguous which representation should be used for the
        tensor.
        """
        if self.is_empty():
            return True
        elif (
            len(self.valid_texture_layouts) == 1 and len(self.valid_buffer_layouts) == 0
        ):
            return True
        elif (
            len(self.valid_texture_layouts) == 0 and len(self.valid_buffer_layouts) == 1
        ):
            return True
        else:
            return False

    def is_ambiguous(self) -> bool:
        """