+++ /dev/null
-/* A crash few tests for the maxmin library */
-
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-
-#include "surf/maxmin.h"
-#include "xbt/module.h"
-#include "xbt/xbt_os_time.h"
-#include "xbt/sysdep.h" /* time manipulation for benchmarking */
-
-#include <stdlib.h>
-#include <stdio.h>
-
-double date;
-
-double float_random(double max);
-double float_random(double max)
-{
- return ((max * rand()) / (RAND_MAX + 1.0));
-}
-
-int int_random(int max);
-int int_random(int max)
-{
- return (int) (((max * 1.0) * rand()) / (RAND_MAX + 1.0));
-}
-
-void test(int nb_cnst, int nb_var, int nb_elem);
-void test(int nb_cnst, int nb_var, int nb_elem)
-{
- lmm_system_t Sys = NULL;
- lmm_constraint_t *cnst = xbt_new0(lmm_constraint_t, nb_cnst);
- lmm_variable_t *var = xbt_new0(lmm_variable_t, nb_var);
- int *used = xbt_new0(int, nb_cnst);
- int i, j, k;
-
- Sys = lmm_system_new(1);
-
- for (i = 0; i < nb_cnst; i++) {
- cnst[i] = lmm_constraint_new(Sys, NULL, float_random(10.0));
- }
-
- for (i = 0; i < nb_var; i++) {
- var[i] = lmm_variable_new(Sys, NULL, 1.0, -1.0, nb_elem);
- for (j = 0; j < nb_cnst; j++)
- used[j] = 0;
- for (j = 0; j < nb_elem; j++) {
- k = int_random(nb_cnst);
- if (used[k]) {
- j--;
- continue;
- }
- lmm_expand(Sys, cnst[k], var[i], float_random(1.0));
- used[k] = 1;
- }
- }
-
- printf("Starting to solve\n");
- date = xbt_os_time() * 1000000;
- lmm_solve(Sys);
- date = xbt_os_time() * 1000000 - date;
-
- for (i = 0; i < nb_var; i++)
- lmm_variable_free(Sys, var[i]);
- lmm_system_free(Sys);
- free(cnst);
- free(var);
- free(used);
-}
-
-#ifdef __BORLANDC__
-#pragma argsused
-#endif
-
-
-int main(int argc, char **argv)
-{
- int nb_cnst = 2000;
- int nb_var = 2000;
- int nb_elem = 80;
- xbt_init(&argc, argv);
- date = xbt_os_time() * 1000000;
- test(nb_cnst, nb_var, nb_elem);
- printf("One shot execution time for a total of %d constraints, "
- "%d variables with %d active constraint each : %g microsecondes \n",
- nb_cnst, nb_var, nb_elem, date);
- return 0;
-}