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Merge tag 'v3_9_90' into hypervisor
[simgrid.git] / src / include / surf / maxmin.h
index a522198..ab82103 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2004-2013. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -7,12 +7,13 @@
 #ifndef _SURF_MAXMIN_H
 #define _SURF_MAXMIN_H
 
-#include <math.h>
 #include "portable.h"
 #include "xbt/misc.h"
 #include "surf/datatypes.h"
+#include <math.h>
 
-#define MAXMIN_PRECISION 0.00001
+extern double sg_maxmin_precision;
+#define MAXMIN_PRECISION sg_maxmin_precision
 static XBT_INLINE void double_update(double *variable, double value)
 {
   *variable -= value;
@@ -30,7 +31,7 @@ static XBT_INLINE int double_equals(double value1, double value2)
   return (fabs(value1 - value2) < MAXMIN_PRECISION);
 }
 
-XBT_PUBLIC(lmm_system_t) lmm_system_new(void);
+XBT_PUBLIC(lmm_system_t) lmm_system_new(int selective_update);
 XBT_PUBLIC(void) lmm_system_free(lmm_system_t sys);
 void lmm_variable_disable(lmm_system_t sys, lmm_variable_t var);
 
@@ -41,14 +42,18 @@ int lmm_constraint_is_shared(lmm_constraint_t cnst);
 
 void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst);
 
+double lmm_constraint_get_usage(lmm_constraint_t cnst);
+
 XBT_PUBLIC(lmm_variable_t) lmm_variable_new(lmm_system_t sys, void *id,
                                             double weight_value,
                                             double bound,
                                             int number_of_constraints);
-void lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
+XBT_PUBLIC(void) lmm_variable_free(lmm_system_t sys, lmm_variable_t var);
 XBT_PUBLIC(double) lmm_variable_getvalue(lmm_variable_t var);
 XBT_PUBLIC(double) lmm_variable_getbound(lmm_variable_t var);
 
+XBT_PUBLIC(void) lmm_shrink(lmm_system_t sys, lmm_constraint_t cnst,
+                            lmm_variable_t var);
 XBT_PUBLIC(void) lmm_expand(lmm_system_t sys, lmm_constraint_t cnst,
                             lmm_variable_t var, double value);
 void lmm_expand_add(lmm_system_t sys, lmm_constraint_t cnst,
@@ -58,6 +63,8 @@ void lmm_elem_set_value(lmm_system_t sys, lmm_constraint_t cnst,
 
 lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys,
                                        lmm_variable_t var, int num);
+double lmm_get_cnst_weight_from_var(lmm_system_t sys, lmm_variable_t var,
+                                    int num);
 int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var);
 lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys,
                                      lmm_constraint_t cnst,