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/* ========================================================================== */
/* === UMF_valid_symbolic =================================================== */
/* ========================================================================== */
/* -------------------------------------------------------------------------- */
/* UMFPACK Version 4.1 (Apr. 30, 2003), Copyright (c) 2003 by Timothy A. */
/* Davis. All Rights Reserved. See ../README for License. */
/* email: davis@cise.ufl.edu CISE Department, Univ. of Florida. */
/* web: http://www.cise.ufl.edu/research/sparse/umfpack */
/* -------------------------------------------------------------------------- */
#include "umf_internal.h"
/* Returns TRUE if the Symbolic object is valid, FALSE otherwise. */
/* The UMFPACK_report_symbolic routine does a more thorough check. */
GLOBAL Int UMF_valid_symbolic
(
SymbolicType *Symbolic
)
{
/* This routine does not check the contents of the individual arrays, so */
/* it can miss some errors. All it checks for is the presence of the */
/* arrays, and the Symbolic "valid" entry. */
if (!Symbolic)
{
return (FALSE) ;
}
if (Symbolic->valid != SYMBOLIC_VALID)
{
/* Symbolic does not point to a SymbolicType object */
return (FALSE) ;
}
if (!Symbolic->Cperm_init || !Symbolic->Rperm_init ||
!Symbolic->Front_npivcol || !Symbolic->Front_1strow ||
!Symbolic->Front_leftmostdesc ||
!Symbolic->Front_parent || !Symbolic->Chain_start ||
!Symbolic->Chain_maxrows || !Symbolic->Chain_maxcols ||
Symbolic->n_row <= 0 || Symbolic->n_col <= 0)
{
return (FALSE) ;
}
return (TRUE) ;
}
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