triqs::gfs::flatten_2d
#include <triqs/gfs.hpp>
Synopsis
template<int N, typename A>auto flatten_2d (A const & v)
Given an array a, creates a two-dimensional array whose first dimension is the n-th dimension of a and the second dimension are the flattening of the other dimensions, in the original order
Template parameters
N : the dimension to preserve
Parameters
a : array
Returns
: a two-dimensional array