closure.c

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#include <assert.h>
#include <isl/map.h>
#include <isl/options.h>
 
int main(int argc, char **argv)
{
  struct isl_ctx *ctx;
  struct isl_map *map;
  struct isl_options *options;
  isl_printer *p;
  isl_bool exact;
 
  options = isl_options_new_with_defaults();
  assert(options);
  argc = isl_options_parse(options, argc, argv, ISL_ARG_ALL);
 
  ctx = isl_ctx_alloc_with_options(&isl_options_args, options);
 
  p = isl_printer_to_file(ctx, stdout);
 
  map = isl_map_read_from_file(ctx, stdin);
  map = isl_map_transitive_closure(map, &exact);
  if (!exact)
    p = isl_printer_print_str(p, "# NOT exact\n");
  p = isl_printer_print_map(p, map);
  p = isl_printer_end_line(p);
  map = isl_map_compute_divs(map);
  map = isl_map_coalesce(map);
  p = isl_printer_print_str(p, "# coalesced\n");
  p = isl_printer_print_map(p, map);
  p = isl_printer_end_line(p);
  isl_map_free(map);
 
  isl_printer_free(p);
 
  isl_ctx_free(ctx);
 
  return 0;
}