-/* Authors: Arnaud Legrand */
+/* 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. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef _SURF_MAXMIN_PRIVATE_H
+#define _SURF_MAXMIN_PRIVATE_H
#include "surf/maxmin.h"
-#include "../src/xbt/fifo_private.h" /* Yeah! I know. It is very dirty. */
+#include "xbt/swag.h"
+#include "xbt/mallocator.h"
-typedef struct lmm_mat_element {
- s_xbt_fifo_item_t row;
- FLOAT value;
-} s_mat_element_t;
+typedef struct lmm_element {
+ /* hookup to constraint */
+ s_xbt_swag_hookup_t element_set_hookup;
+ s_xbt_swag_hookup_t active_element_set_hookup;
-typedef struct lmm_cnst_element {
- s_xbt_fifo_t row; /* in fact a list of lmm_mat_element_t */
- void *id;
- FLOAT bound;
- FLOAT usage;
-} s_lmm_cnst_element_t;
+ lmm_constraint_t constraint;
+ lmm_variable_t variable;
+ double value;
+} s_lmm_element_t;
+#define make_elem_active(elem) xbt_swag_insert_at_head(elem,&(elem->constraint->active_element_set))
+#define make_elem_inactive(elem) xbt_swag_remove(elem,&(elem->constraint->active_element_set))
+
+typedef struct lmm_constraint_light {
+ double remaining_over_usage;
+ lmm_constraint_t cnst;
+} s_lmm_constraint_light_t;
+
+typedef struct lmm_constraint {
+ /* hookup to system */
+ s_xbt_swag_hookup_t constraint_set_hookup;
+ s_xbt_swag_hookup_t active_constraint_set_hookup;
+ s_xbt_swag_hookup_t modified_constraint_set_hookup;
+ s_xbt_swag_hookup_t saturated_constraint_set_hookup;
-typedef struct lmm_var_element {
+ s_xbt_swag_t element_set; /* a list of lmm_element_t */
+ s_xbt_swag_t active_element_set; /* a list of lmm_element_t */
+ double remaining;
+ double usage;
+ double bound;
+ int shared;
void *id;
- s_mat_element_t *cnsts;
+ int id_int;
+ double lambda;
+ double new_lambda;
+ lmm_constraint_light_t cnst_light;
+} s_lmm_constraint_t;
+
+typedef struct lmm_variable {
+ /* hookup to system */
+ s_xbt_swag_hookup_t variable_set_hookup;
+ s_xbt_swag_hookup_t saturated_variable_set_hookup;
+
+ s_lmm_element_t *cnsts;
int cnsts_size;
- FLOAT value;
- FLOAT bound;
-} s_lmm_var_element_t;
+ int cnsts_number;
+ double weight;
+ double bound;
+ double value;
+ void *id;
+ int id_int;
+ unsigned visited; /* used by lmm_update_modified_set */
+ /* \begin{For Lagrange only} */
+ double mu;
+ double new_mu;
+ double (*func_f) (struct lmm_variable * var, double x); /* (f) */
+ double (*func_fp) (struct lmm_variable * var, double x); /* (f') */
+ double (*func_fpi) (struct lmm_variable * var, double x); /* (f')^{-1} */
+ /* \end{For Lagrange only} */
+} s_lmm_variable_t;
typedef struct lmm_system {
- s_xbt_fifo_item_t var_set; /* in fact a list of lmm_var_element_t */
- s_xbt_fifo_item_t cnst_set; /* in fact a list of lmm_cnst_element_t */
-};
+ int modified;
+ int selective_update_active; /* flag to update partially the system only selecting changed portions */
+ unsigned visited_counter; /* used by lmm_update_modified_set */
+ s_xbt_swag_t variable_set; /* a list of lmm_variable_t */
+ s_xbt_swag_t constraint_set; /* a list of lmm_constraint_t */
+
+ s_xbt_swag_t active_constraint_set; /* a list of lmm_constraint_t */
+ s_xbt_swag_t modified_constraint_set; /* a list of modified lmm_constraint_t */
+
+ s_xbt_swag_t saturated_variable_set; /* a list of lmm_variable_t */
+ s_xbt_swag_t saturated_constraint_set; /* a list of lmm_constraint_t_t */
+
+ xbt_swag_t keep_track;
+
+ xbt_mallocator_t variable_mallocator;
+} s_lmm_system_t;
+
+#define extract_variable(sys) xbt_swag_extract(&(sys->variable_set))
+#define extract_constraint(sys) xbt_swag_extract(&(sys->constraint_set))
+#define insert_constraint(sys,cnst) xbt_swag_insert(cnst,&(sys->constraint_set))
+#define remove_variable(sys,var) do {xbt_swag_remove(var,&(sys->variable_set));\
+ xbt_swag_remove(var,&(sys->saturated_variable_set));} while(0)
+#define remove_constraint(sys,cnst) do {xbt_swag_remove(cnst,&(sys->constraint_set));\
+ xbt_swag_remove(cnst,&(sys->saturated_constraint_set));} while(0)
+#define make_constraint_active(sys,cnst) xbt_swag_insert(cnst,&(sys->active_constraint_set))
+#define make_constraint_inactive(sys,cnst) \
+ do { xbt_swag_remove(cnst, &sys->active_constraint_set); \
+ xbt_swag_remove(cnst, &sys->modified_constraint_set); } while (0)
+
+void lmm_print(lmm_system_t sys);
+
+extern double (*func_f_def) (lmm_variable_t, double);
+extern double (*func_fp_def) (lmm_variable_t, double);
+extern double (*func_fpi_def) (lmm_variable_t, double);
+
+#endif /* _SURF_MAXMIN_PRIVATE_H */
