coordinates()

template<std::integral Idx, auto... Desc>

constexpr auto kwk::coordinates ( Idx  idx, shape< Desc... > const  shp  )

constexprnoexcept

Computes a tuple of coordinates from a linear index and a shape.

Behavior is undefined if idx is out of the index space defined by shp.

Parameters

idx	Linear index to convert into a nD coordinate set
shp	Shape used as a reference

Returns

A std::array<shape<Desc>::value_type, shape<Desc>::static_order> containing the multi-dimensional position corresponding to idx