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/* setparams.c */
#include "../Bridge.h"
/*--------------------------------------------------------------------*/
/*
-------------------------------------------
purpose -- to set the matrix parameters
return value --
1 -- normal return
-1 -- bridge object is NULL
-2 -- neqns <= 0
-3 -- type is invalid
-4 -- symmetryflag is invalid
-5 -- matrix is hermitian but type is real
created -- 98sep25, cca
-------------------------------------------
*/
int
Bridge_setMatrixParams (
Bridge *bridge,
int neqns,
int type,
int symmetryflag
) {
if ( bridge == NULL ) {
fprintf(stderr, "\n\n error in Bridge_setMatrixParams()"
"\n bridge is NULL\n") ;
return(-1) ;
}
if ( neqns <= 0 ) {
fprintf(stderr, "\n\n error in Bridge_setMatrixParams()"
"\n neqns = %d\n", neqns) ;
return(-2) ;
}
if ( type != SPOOLES_REAL && type != SPOOLES_COMPLEX ) {
fprintf(stderr, "\n\n error in Bridge_setMatrixParams()"
"\n type = %d\n", type) ;
return(-3) ;
}
switch ( symmetryflag ) {
case SPOOLES_SYMMETRIC :
break ;
case SPOOLES_HERMITIAN :
if ( type != SPOOLES_COMPLEX ) {
fprintf(stderr, "\n\n error in Bridge_setMatrixParams()"
"\n type = %d\n", type) ;
return(-5) ;
}
break ;
case SPOOLES_NONSYMMETRIC :
break ;
default :
if ( type != SPOOLES_COMPLEX ) {
fprintf(stderr, "\n\n error in Bridge_setMatrixParams()"
"\n symmetryflag = %d\n", symmetryflag) ;
return(-4) ;
}
break ;
}
bridge->neqns = neqns ;
bridge->type = type ;
bridge->symmetryflag = symmetryflag ;
return(1) ; }
/*--------------------------------------------------------------------*/
/*
-------------------------------------------
purpose -- to set the ordering parameters
return value --
1 -- normal return
-1 -- bridge object is NULL
-2 -- maxdomainsize <= 0
-3 -- maxsize <= 0
-4 -- compressCutoff > 1.0
created -- 98sep25, cca
-------------------------------------------
*/
int
Bridge_setOrderingParams (
Bridge *bridge,
int maxdomainsize,
int maxnzeros,
int maxsize,
int seed,
double compressCutoff
) {
if ( bridge == NULL ) {
fprintf(stderr, "\n\n error in Bridge_setOrderingParams()"
"\n bridge is NULL\n") ;
return(-1) ;
}
if ( maxdomainsize <= 0 ) {
fprintf(stderr, "\n\n error in Bridge_setOrderingParams()"
"\n maxdomainsize = %d\n", maxdomainsize) ;
return(-2) ;
}
if ( maxsize <= 0 ) {
fprintf(stderr, "\n\n error in Bridge_setOrderingParams()"
"\n maxsize = %d\n", maxsize) ;
return(-3) ;
}
if ( compressCutoff > 1.0 ) {
fprintf(stderr, "\n\n error in Bridge_setOrderingParams()"
"\n compressCutoff = %f\n", compressCutoff) ;
return(-4) ;
}
bridge->maxdomainsize = maxdomainsize ;
bridge->maxnzeros = maxnzeros ;
bridge->maxsize = maxsize ;
bridge->seed = seed ;
bridge->compressCutoff = compressCutoff ;
return(1) ; }
/*--------------------------------------------------------------------*/
/*
----------------------------------------------
purpose -- to set the factorization parameters
return value --
1 -- normal return
-1 -- bridge object is NULL
-2 -- sparsityflag is invalid
-3 -- pivotingflag is invalid
-4 -- tau < 2.0
-5 -- droptol < 0.0
created -- 98sep25, cca
----------------------------------------------
*/
int
Bridge_setFactorParams (
Bridge *bridge,
int sparsityflag,
int pivotingflag,
double tau,
double droptol,
PatchAndGoInfo *patchinfo
) {
if ( bridge == NULL ) {
fprintf(stderr, "\n\n error in Bridge_setFactorParams()"
"\n bridge is NULL\n") ;
return(-1) ;
}
if ( sparsityflag != FRONTMTX_DENSE_FRONTS
&& sparsityflag != FRONTMTX_SPARSE_FRONTS ) {
fprintf(stderr, "\n\n error in Bridge_setFactorParams()"
"\n sparsityflag = %d\n", sparsityflag) ;
return(-2) ;
}
if ( pivotingflag != SPOOLES_PIVOTING
&& pivotingflag != SPOOLES_NO_PIVOTING ) {
fprintf(stderr, "\n\n error in Bridge_setFactorParams()"
"\n pivotingflag = %d\n", pivotingflag) ;
return(-3) ;
}
if ( tau < 2.0 ) {
fprintf(stderr, "\n\n error in Bridge_setFactorParams()"
"\n invalid value %f for tau", tau) ;
return(-4) ;
}
if ( droptol < 0.0 ) {
fprintf(stderr, "\n\n error in Bridge_setFactorParams()"
"\n invalid value %f for droptol", droptol) ;
return(-5) ;
}
bridge->sparsityflag = sparsityflag ;
bridge->pivotingflag = pivotingflag ;
bridge->tau = tau ;
bridge->droptol = droptol ;
bridge->patchinfo = patchinfo ;
return(1) ; }
/*--------------------------------------------------------------------*/
/*
-------------------------------------
purpose -- to set the message info
return value --
1 -- normal return
-1 -- bridge object is NULL
-2 -- msglvl > 0 and msgFile is NULL
created -- 98sep18, cca
-------------------------------------
*/
int
Bridge_setMessageInfo (
Bridge *bridge,
int msglvl,
FILE *msgFile
) {
if ( bridge == NULL ) {
fprintf(stderr, "\n\n error in Bridge_setMessageInfo()"
"\n bridge is NULL\n") ;
return(-1) ;
}
if ( msglvl > 0 && msgFile == NULL ) {
fprintf(stderr, "\n\n error in Bridge_setMessageInfo()"
"\n msglvl is > 0 and msgFile is NULL\n") ;
return(-2) ;
}
bridge->msglvl = msglvl ;
bridge->msgFile = msgFile ;
return(1) ; }
/*--------------------------------------------------------------------*/
|
