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/* compressGraph.c */
#include "../Graph.h"
#include "../../timings.h"
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
-------------------------------------------------
1) read in graph
2) get the equivalence map
3) optionally write out equivalence map
4) get compressed graph
5) optionally write out compressed graph map
created -- 95mar02, cca
-------------------------------------------------
*/
{
char *inGraphFileName, *outIVfileName, *outGraphFileName ;
double t1, t2 ;
int coarseType, msglvl, rc ;
Graph *gc, *gf ;
FILE *msgFile ;
IV *mapIV ;
if ( argc != 7 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile inGraphFile "
"\n coarseType outMapFile outGraphFile"
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n inGraphFile -- input file for graph"
"\n must be *.graphf or *.graphb"
"\n coarseType -- type for compressed graph"
"\n outMapFile -- output file for map vector"
"\n must be *.ivf or *.ivb"
"\n outGraphFile -- output file for compressed graph"
"\n must be *.graphf or *.graphb"
"\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) ;
}
inGraphFileName = argv[3] ;
coarseType = atoi(argv[4]) ;
outIVfileName = argv[5] ;
outGraphFileName = argv[6] ;
fprintf(msgFile,
"\n %s "
"\n msglvl -- %d"
"\n msgFile -- %s"
"\n inGraphFile -- %s"
"\n coarseType -- %d"
"\n outMapFile -- %s"
"\n outGraphFile -- %s"
"\n",
argv[0], msglvl, argv[2], inGraphFileName,
coarseType, outIVfileName, outGraphFileName) ;
fflush(msgFile) ;
/*
------------------------
read in the Graph object
------------------------
*/
if ( strcmp(inGraphFileName, "none") == 0 ) {
fprintf(msgFile, "\n no file to read from") ;
exit(0) ;
}
MARKTIME(t1) ;
gf = Graph_new() ;
rc = Graph_readFromFile(gf, inGraphFileName) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : read in graph from file %s",
t2 - t1, inGraphFileName) ;
if ( rc != 1 ) {
fprintf(msgFile, "\n return value %d from Graph_readFromFile(%p,%s)",
rc, gf, inGraphFileName) ;
exit(-1) ;
}
if ( msglvl > 2 ) {
fprintf(msgFile, "\n\n after reading Graph object from file %s",
inGraphFileName) ;
Graph_writeForHumanEye(gf, msgFile) ;
fflush(msgFile) ;
} else {
Graph_writeStats(gf, msgFile) ;
fflush(msgFile) ;
}
/*
-----------------------
get the equivalence map
-----------------------
*/
MARKTIME(t1) ;
mapIV = Graph_equivMap(gf) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : create equivalence map", t2 - t1) ;
if ( msglvl > 1 ) {
fprintf(msgFile, "\n\n equivalence map IV object") ;
IV_writeForHumanEye(mapIV, msgFile) ;
fflush(msgFile) ;
}
/*
---------------------------
write out the map IV object
---------------------------
*/
if ( strcmp(outIVfileName, "none") != 0 ) {
MARKTIME(t1) ;
rc = IV_writeToFile(mapIV, outIVfileName) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : write map IV to file %s",
t2 - t1, outIVfileName) ;
if ( rc != 1 ) {
fprintf(msgFile, "\n return value %d from IV_writeToFile(%p,%s)",
rc, mapIV, outIVfileName) ;
}
}
/*
------------------------
get the compressed graph
------------------------
*/
MARKTIME(t1) ;
gc = Graph_compress(gf, IV_entries(mapIV), coarseType) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : compress the graph", t2 - t1) ;
fprintf(msgFile, "\n\n compressed graph") ;
if ( msglvl > 2 ) {
Graph_writeForHumanEye(gc, msgFile) ;
fflush(msgFile) ;
} else {
Graph_writeStats(gc, msgFile) ;
fflush(msgFile) ;
}
/*
--------------------------
write out the Graph object
--------------------------
*/
if ( strcmp(outGraphFileName, "none") != 0 ) {
MARKTIME(t1) ;
rc = Graph_writeToFile(gc, outGraphFileName) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : write compressed graph to file %s",
t2 - t1, outGraphFileName) ;
if ( rc != 1 ) {
fprintf(msgFile,
"\n return value %d from Graph_writeToFile(%p,%s)",
rc, gc, outGraphFileName) ;
exit(-1) ;
}
}
/*
----------------
free the objects
----------------
*/
Graph_free(gf) ;
Graph_free(gc) ;
IV_free(mapIV) ;
fprintf(msgFile, "\n") ;
fclose(msgFile) ;
return(1) ; }
/*--------------------------------------------------------------------*/
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