nag_opt_sparse_mps_free (e04myc) frees the memory allocated by nag_opt_sparse_mps_read (e04mzc)
nag_opt_sparse_mps_free (e04myc) should be used in conjunction with nag_opt_sparse_mps_read (e04mzc)
, which reads data for a sparse linear or quadratic programming problem from an MPSX file, allocates several arrays, and initializes them with the data contained in the file. nag_opt_sparse_mps_free (e04myc) is a utility provided for the convenient freeing of this memory. It should be called in order to conserve memory which is no longer required, e.g., following a call to nag_opt_sparse_convex_qp (e04nkc)
(which may be used to solve the problem defined by the MPSX file). Any memory not freed will, of course, be freed when your program terminates.
nag_opt_sparse_mps_free (e04myc) can be used to free a subset of the allocated arrays by passing null pointers for those arguments which you do not wish to free.
In addition to allocating the memory freed by this function, nag_opt_sparse_mps_read (e04mzc)
also allocates memory to the
member of the options
structure (if the structure is supplied as an argument). The function nag_opt_free (e04xzc)
should be used to free this memory. You must not
use the standard C function free()
for this purpose.
See Section 10
in nag_opt_sparse_mps_read (e04mzc).