added -U option

diff --git a/cmd/tools/mm2gv.c b/cmd/tools/mm2gv.c
index 49811cb76b0f59380d3359154b3bc382e7fcd46e..01b0d384874bb9ddc6773a79f6807eb3674eaf4f 100644 (file)
--- a/cmd/tools/mm2gv.c
+++ b/cmd/tools/mm2gv.c
@@ -369,6 +369,7 @@ static Agraph_t *makeDotGraph(SparseMatrix A, char *name, int dim,
 
 static char* useString = "Usage: %s [-uvcl] [-o file] matrix_market_filename\n\
   -u - make graph undirected\n\
+  -U i whether to treat unsymmetric square matrix as a bipartite graph. 0 (never), 1 (default, pattern unsymmetric as bipartite), 2 (unsymmetric matrix always as bipartite. 3: always treat square matrix as bipartite.\n\
   -v - assign len to edges\n\
   -c - assign color and wt to edges\n\
   -l - add label\n\
@@ -399,6 +400,7 @@ typedef struct {
     int with_label;
     int with_color;
     int with_val;
+  int bipartite;
 } parms_t;
 
 static void init(int argc, char **argv, parms_t * p)
@@ -407,7 +409,7 @@ static void init(int argc, char **argv, parms_t * p)
 
     cmd = argv[0];
     opterr = 0;
-    while ((c = getopt(argc, argv, ":o:uvcl")) != -1) {
+    while ((c = getopt(argc, argv, ":o:uvclU:")) != -1) {
        switch (c) {
        case 'o':
            p->outf = openF(optarg, "w");
@@ -424,7 +426,16 @@ static void init(int argc, char **argv, parms_t * p)
        case 'c':
            p->with_color = 1;
            break;
-       case '?':
+       case 'U':{
+         int u;
+         if (sscanf(optarg,"%d",&u) <= 0 || u < 0 || u > BIPARTITE_ALWAYS) {
+           usage(1);
+         } else {
+           p->bipartite = u;
+         }
+         break;
+       }
+       case '?':
            if (optopt == '?')
                usage(0);
            else
@@ -458,6 +469,7 @@ int main(int argc, char *argv[])
     pv.with_label = 0;
     pv.with_color = 0;
     pv.with_val = 0;
+    pv.bipartite = BIPARTITE_PATTERN_UNSYM;
     init(argc, argv, &pv);
 
     /* ======================= read graph ==================== */
@@ -468,7 +480,7 @@ int main(int argc, char *argv[])
        usage(1);
     }
 
-    A = SparseMatrix_to_square_matrix(A, BIPARTITE_PATTERN_UNSYM);
+    A = SparseMatrix_to_square_matrix(A, pv.bipartite);
 
     if (!A) {
        fprintf(stderr, "cannot import from file %s\n", pv.infile);