The tensor order axis of a quantity's character
Declared in <mp-units/framework/quantity_character.h>
enum class quantity_tensor_order : int8_t;A quantity's character splits into two orthogonal axes: its tensor order (scalar, vector, tensor) and its numeric field (real, complex). The enumerators are declared in increasing rank so that the underlying comparison orders them (scalar < vector < tensor, real < complex).
| Name | Description |
|---|---|
scalar | A quantity with magnitude but no direction. |
vector | A quantity with both magnitude and direction. |
tensor | A quantity that additionally carries orientation (e.g. the Cauchy stress tensor). |