lis_matrix_duplicate.3f - Man Page

subroutine lis_matrix_duplicate(MATRIX *Ain, LIS_MATRIX *Aout, LIS_INTEGER ierr);

Create matrix Aout which has the same information as Ain.

Ain

The source matrix

Aout

The destination matrix

The function lis_matrix_duplicate does not copy the elements of the matrix, but  allocates only the memory. To copy the values as well, the function lis_matrix_copy  must be called after this function.

lis(3)

http://www.ssisc.org/lis/