closure.c

   1 #include <assert.h>
   2 #include <isl/map.h>
   3 #include <isl/options.h>
   4
   5 int main(int argc, char **argv)
   6 {
   7         struct isl_ctx *ctx;
   8         struct isl_map *map;
   9         struct isl_options *options;
  10         isl_printer *p;
  11         isl_bool exact;
  12
  13         options = isl_options_new_with_defaults();
  14         assert(options);
  15         argc = isl_options_parse(options, argc, argv, ISL_ARG_ALL);
  16
  17         ctx = isl_ctx_alloc_with_options(&isl_options_args, options);
  18
  19         p = isl_printer_to_file(ctx, stdout);
  20
  21         map = isl_map_read_from_file(ctx, stdin);
  22         map = isl_map_transitive_closure(map, &exact);
  23         if (!exact)
  24                 p = isl_printer_print_str(p, "# NOT exact\n");
  25         p = isl_printer_print_map(p, map);
  26         p = isl_printer_end_line(p);
  27         map = isl_map_compute_divs(map);
  28         map = isl_map_coalesce(map);
  29         p = isl_printer_print_str(p, "# coalesced\n");
  30         p = isl_printer_print_map(p, map);
  31         p = isl_printer_end_line(p);
  32         isl_map_free(map);
  33
  34         isl_printer_free(p);
  35
  36         isl_ctx_free(ctx);
  37
  38         return 0;
  39 }