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/* testHeight.c */
#include "../../ETree.h"
#include "../../SymbFac.h"
#include "../../timings.h"
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-------------------------------------------------------
read in an ETree object. compute the height of the tree
w.r.t. an out-of-core forward sparse factorization
created -- 99jan07, cca
-------------------------------------------------------
*/
{
char *inETreeFileName ;
double nfops1, t1, t2 ;
IV *dmetricIV, *vmetricIV ;
int maxdepth, maxnent, msglvl, nfent1, nfind1,
nfront, nleaves1, nnode1, rc ;
ETree *etree ;
FILE *msgFile ;
Tree *tree ;
if ( argc != 4 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile inETreeFile "
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n inETreeFile -- input file, must be *.etreef or *.etreeb"
"\n", argv[0]) ;
return(0) ;
}
msglvl = atoi(argv[1]) ;
if ( strcmp(argv[2], "stdout") == 0 ) {
msgFile = stdout ;
} else if ( (msgFile = fopen(argv[2], "a")) == NULL ) {
fprintf(stderr, "\n fatal error in %s"
"\n unable to open file %s\n",
argv[0], argv[2]) ;
return(-1) ;
}
inETreeFileName = argv[3] ;
fprintf(msgFile,
"\n %s "
"\n msglvl -- %d"
"\n msgFile -- %s"
"\n inETreeFile -- %s"
"\n",
argv[0], msglvl, argv[2], inETreeFileName) ;
fflush(msgFile) ;
/*
------------------------
read in the ETree object
------------------------
*/
if ( strcmp(inETreeFileName, "none") == 0 ) {
fprintf(msgFile, "\n no file to read from") ;
exit(0) ;
}
etree = ETree_new() ;
MARKTIME(t1) ;
rc = ETree_readFromFile(etree, inETreeFileName) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : read in etree from file %s",
t2 - t1, inETreeFileName) ;
if ( rc != 1 ) {
fprintf(msgFile, "\n return value %d from ETree_readFromFile(%p,%s)",
rc, etree, inETreeFileName) ;
exit(-1) ;
}
fprintf(msgFile, "\n\n after reading ETree object from file %s",
inETreeFileName) ;
if ( msglvl > 2 ) {
ETree_writeForHumanEye(etree, msgFile) ;
} else {
ETree_writeStats(etree, msgFile) ;
}
ETree_leftJustify(etree) ;
fprintf(msgFile, "\n\n %d LU entries", ETree_nFactorEntries(etree, 2)) ;
fflush(msgFile) ;
/*
----------------------
compute the statistics
----------------------
*/
tree = etree->tree ;
nfront = etree->nfront ;
nnode1 = etree->tree->n ;
nfind1 = ETree_nFactorIndices(etree) ;
nfent1 = ETree_nFactorEntries(etree, 1) ;
nfops1 = ETree_nFactorOps(etree, SPOOLES_REAL, SPOOLES_SYMMETRIC) ;
nleaves1 = Tree_nleaves(etree->tree) ;
fprintf(msgFile, "\n root front %d has %d vertices",
etree->tree->root,
etree->nodwghtsIV->vec[etree->tree->root]) ;
fprintf(msgFile, "\n %d fronts, %d indices, %d entries, %.0f ops",
nfront, nfind1, nfent1, nfops1) ;
fprintf(msgFile, "\n max front size = %d",
IV_max(ETree_nodwghtsIV(etree))) ;
fprintf(msgFile, "\n max boundary size = %d",
IV_max(ETree_bndwghtsIV(etree))) ;
/*
------------------------------
get the # of entries per front
------------------------------
*/
vmetricIV = ETree_factorEntriesIV(etree, SPOOLES_SYMMETRIC) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n entries per front") ;
IV_writeForHumanEye(vmetricIV, msgFile) ;
fflush(msgFile) ;
}
maxnent = IV_max(vmetricIV) ;
fprintf(msgFile, "\n\n max entries per front = %d", maxnent) ;
fflush(msgFile) ;
/*
----------------------
get the height profile
----------------------
*/
dmetricIV = Tree_setDepthImetric(tree, vmetricIV) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n entries depth per front") ;
IV_writeForHumanEye(dmetricIV, msgFile) ;
fflush(msgFile) ;
}
maxdepth = IV_max(dmetricIV) ;
fprintf(msgFile, "\n\n max depth = %d, fraction of total = %8.3f",
maxdepth, ((double) maxdepth)/nfent1) ;
fflush(msgFile) ;
fprintf(msgFile, "\n\n STATS : %12d %12d %12d %8.3f %8.3f",
nfent1, maxnent, maxdepth, ((double) maxdepth)/maxnent,
((double) maxdepth)/nfent1) ;
{
int J ;
int *depth = IV_entries(dmetricIV) ;
int *par = Tree_par(tree) ;
int *fch = Tree_fch(tree) ;
int *sib = Tree_sib(tree) ;
int *nodwghts = ETree_nodwghts(etree) ;
int *bndwghts = ETree_bndwghts(etree) ;
fprintf(msgFile, "\n\n J par fch sib |J| |bndJ| depth/maxdepth") ;
for ( J = 0 ; J < nfront ; J++ ) {
fprintf(msgFile, "\n %7d %7d %7d %7d %7d %7d %8.3f",
J, par[J], fch[J], sib[J], nodwghts[J], bndwghts[J],
((double) depth[J])/maxdepth) ;
}
}
/*
----------------
free the objects
----------------
*/
ETree_free(etree) ;
IV_free(vmetricIV) ;
IV_free(dmetricIV) ;
fprintf(msgFile, "\n") ;
fclose(msgFile) ;
return(1) ; }
/*--------------------------------------------------------------------*/
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