schedule_cmp.c

Go to the documentation of this file.

/*
 * Copyright 2017      Sven Verdoolaege
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege.
 */
 
#include <stdlib.h>
 
#include <isl/arg.h>
#include <isl/options.h>
#include <isl/schedule.h>
 
struct options {
  struct isl_options *isl;
  char *schedule1;
  char *schedule2;
};
 
ISL_ARGS_START(struct options, options_args)
ISL_ARG_CHILD(struct options, isl, "isl", &isl_options_args, "isl options")
ISL_ARG_ARG(struct options, schedule1, "schedule1", NULL)
ISL_ARG_ARG(struct options, schedule2, "schedule2", NULL)
ISL_ARGS_END
 
ISL_ARG_DEF(options, struct options, options_args)
 
static void die(const char *msg)
{
  fprintf(stderr, "%s\n", msg);
  exit(EXIT_FAILURE);
}
 
static FILE *open_or_die(const char *filename)
{
  FILE *file;
 
  file = fopen(filename, "r");
  if (!file) {
    fprintf(stderr, "Unable to open %s\n", filename);
    exit(EXIT_FAILURE);
  }
  return file;
}
 
/* Given two YAML descriptions of isl_schedule objects, check whether
 * they are equivalent.
 * Return EXIT_SUCCESS if they are and EXIT_FAILURE if they are not
 * or if anything else went wrong.
 */
int main(int argc, char **argv)
{
  isl_ctx *ctx;
  struct options *options;
  FILE *input1, *input2;
  isl_bool equal;
  isl_schedule *s1, *s2;
 
  options = options_new_with_defaults();
  if (!options)
    return EXIT_FAILURE;
 
  ctx = isl_ctx_alloc_with_options(&options_args, options);
  argc = options_parse(options, argc, argv, ISL_ARG_ALL);
 
  input1 = open_or_die(options->schedule1);
  input2 = open_or_die(options->schedule2);
  s1 = isl_schedule_read_from_file(ctx, input1);
  s2 = isl_schedule_read_from_file(ctx, input2);
 
  equal = isl_schedule_plain_is_equal(s1, s2);
  if (equal < 0)
    return EXIT_FAILURE;
  if (!equal)
    die("schedules differ");
 
  isl_schedule_free(s1);
  isl_schedule_free(s2);
  fclose(input1);
  fclose(input2);
  isl_ctx_free(ctx);
 
  return EXIT_SUCCESS;
}