remove dead writes to buf

It's unclear what the intention of this code was. It writes data to buf that is
then never read.

diff --git a/lib/sparse/DotIO.c b/lib/sparse/DotIO.c
index 57d9249649c73a484b95ab1d1fe74ab89dd09b0f..100ea284665d656809500dbbd18b59074f635945 100644 (file)
--- a/lib/sparse/DotIO.c
+++ b/lib/sparse/DotIO.c
@@ -540,17 +540,6 @@ makeDotGraph (SparseMatrix A, char *name, int dim, real *x, int with_color, int
     for (j = ia[i]; j < ia[i+1]; j++) {
       h = arr [ja[j]];
       if (val){
-       switch (A->type){
-       case MATRIX_TYPE_REAL:
-         snprintf(buf, sizeof(buf), "%f", ((real*)A->a)[j]);
-         break;
-       case MATRIX_TYPE_INTEGER:
-         snprintf(buf, sizeof(buf), "%d", ((int*)A->a)[j]);
-         break;
-       case MATRIX_TYPE_COMPLEX:/* take real part as weight */
-         snprintf(buf, sizeof(buf), "%f", ((real*)A->a)[2*j]);
-         break;
-       }
        if (with_color) {
           if (i != ja[j]){
             snprintf(buf2, sizeof(buf2), "%s", hue2rgb(.65*color[j], cstring));
@@ -559,7 +548,6 @@ makeDotGraph (SparseMatrix A, char *name, int dim, real *x, int with_color, int
           }
         }
       } else {
-       snprintf(buf, sizeof(buf), "%f", 1.);
         if (with_color) {
           if (i != ja[j]){
             snprintf(buf2, sizeof(buf2), "%s", hue2rgb(.65*color[j], cstring));