public static int klu_defaults ( KLU_common Common ) { if ( Common == null ) { return ( FALSE ) ; } /* parameters */ Common . tol = 0.001 ; /* pivot tolerance for diagonal */ Common . memgrow = 1.2 ; /* realloc size ratio increase for LU factors */ Common . initmem_amd = 1.2 ; /* init. mem with AMD: c*nnz(L) + n */ Common . initmem = 10 ; /* init. mem otherwise: c*nnz(A) + n */ Common . btf = TRUE ; /* use BTF pre-ordering, or not */ Common . maxwork = 0 ; /* no limit to work done by btf_order */ Common . ordering = 0 ; /* 0: AMD, 1: COLAMD, 2: user-provided P and Q, * 3: user-provided function */ Common . scale = 2 ; /* scale: -1: none, and do not check for errors * in the input matrix in KLU_refactor. * 0: none, but check for errors, * 1: sum, 2: max */ Common . halt_if_singular = TRUE ; /* quick halt if matrix is singular */ /* memory management routines */ //Common.malloc_memory = malloc ; //Common.calloc_memory = calloc ; //Common.free_memory = free ; //Common.realloc_memory = realloc ; /* user ordering function and optional argument */ Common . user_order = null ; Common . user_data = null ; /* statistics */ Common . status = KLU_OK ; Common . nrealloc = 0 ; Common . structural_rank = EMPTY ; Common . numerical_rank = EMPTY ; Common . noffdiag = EMPTY ; Common . flops = EMPTY ; Common . rcond = EMPTY ; Common . condest = EMPTY ; Common . rgrowth = EMPTY ; Common . work = 0 ; /* work done by btf_order */ Common . memusage = 0 ; Common . mempeak = 0 ; return ( TRUE ) ; }
Sets default parameters for KLU .