modified demo

Author: dperry17

experimental/algorithm/LAGr_MaxFlow.c

@@ -1,7 +1,3 @@
-//************************HOUSE RULES *******************
-// user defined typedefs are MF for Max Flow
-// when registered with GraphBLAS, replace MF with GrB
-// macros are all caps
 
 #include <LAGraphX.h>
 #include "LG_internal.h"
@@ -11,7 +7,9 @@
 // LG_augment_maxflow
 //------------------------------------------------------------------------------
 
-// FIXME: describe me
+// LG_augment_maxflow is a function used to sum the current excess flow of the
+// sink into the output variable f for each iteration.
+
 
 #undef  LG_FREE_ALL
 #define LG_FREE_ALL ;

experimental/benchmark/maxflow_demo.c

@@ -26,22 +26,11 @@ int main (int argc, char ** argv){
   LAGRAPH_TRY(LAGraph_Init(msg));
 
   //read in graph
-  double t = LAGraph_WallClockTime ( ) ;
-  //char *matrix_name = (argc > 1) ? argv [1] : "stdin" ;
-  
   LAGRAPH_TRY(readproblem(&G, NULL, false, true, false, NULL, true, argc, argv));
   LAGRAPH_TRY(LAGraph_Cached_AT(G, msg));
   LAGRAPH_TRY(LAGraph_Cached_EMin(G, msg));
-  
-  t = LAGraph_WallClockTime() - t;
-  printf ("Time to read the graph:      %g sec\n", t) ;
-
-  
-  //GRB_TRY(GrB_Matrix_nrows(&T, G->A));
-  //T--;
 
   char* end1, *end2;
-
   S = strtoul(argv[2], &end1, 10);
   T = strtoul(argv[3], &end2, 10);
   if(argc > 4){
@@ -52,22 +41,17 @@ int main (int argc, char ** argv){
   if(end1 == 0 || end2 == 0){
     printf("values for source and sink are incorrect.\n");
   }
-
-  
-
   printf("Starting max flow from %ld to %ld", S, T);
 
   //LG_SET_BURBLE(1);
   double time = LAGraph_WallClockTime();
   LAGRAPH_TRY(LAGr_MaxFlow(&flow, NULL, G, S, T, msg));
   time = LAGraph_WallClockTime() - time;
-  
   printf("Time for LAGraph_MaxFlow: %g sec\n", time);
   printf("Max Flow is: %lf\n", flow);
 
   LAGraph_Delete(&G, msg);
   LAGRAPH_TRY(LAGraph_Finalize(msg));
 
   return GrB_SUCCESS;
-  
 }