Method ColGetSlice

basiclinalg/python_bla.cpp:290–297

          }

          static TNEW ColGetSlice( const TMAT & self,  py::slice inds ) {
            size_t start, step, n;
            InitSlice( inds, self.Width(), start, step, n );
            TNEW res(self.Height(),n);
            for (int i=0; i<n; i++, start+=step)
              res.Col(i) = self.Col(start);
            return res;
          }

          static void ColSetInt( TMAT & self,  int ind, const TCOL &r ) {
            self.Col(ind) = r;