1 /* A few tests for the maxmin library */
3 /* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "simgrid/msg.h"
9 #include "src/kernel/lmm/maxmin.hpp"
10 #include "src/surf/surf_interface.hpp"
12 #include "xbt/module.h"
13 #include "xbt/sysdep.h"
17 XBT_LOG_NEW_DEFAULT_CATEGORY(surf_test, "Messages specific for surf example");
19 namespace lmm = simgrid::kernel::lmm;
21 #define PRINT_VAR(var) XBT_DEBUG(_XBT_STRINGIFY(var) " = %g", (var)->get_value())
22 #define SHOW_EXPR(expr) XBT_DEBUG(_XBT_STRINGIFY(expr) " = %g", expr)
25 /* ==l1== L2 ==L3== */
33 lmm::System* Sys = lmm::make_new_maxmin_system(false);
34 lmm::Constraint* L1 = Sys->constraint_new(nullptr, a);
35 lmm::Constraint* L2 = Sys->constraint_new(nullptr, b);
36 lmm::Constraint* L3 = Sys->constraint_new(nullptr, a);
38 lmm::Variable* R_1_2_3 = Sys->variable_new(nullptr, 1.0, -1.0, 3);
39 lmm::Variable* R_1 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
40 lmm::Variable* R_2 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
41 lmm::Variable* R_3 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
43 Sys->update_variable_penalty(R_1_2_3, 1.0);
44 Sys->update_variable_penalty(R_1, 1.0);
45 Sys->update_variable_penalty(R_2, 1.0);
46 Sys->update_variable_penalty(R_3, 1.0);
48 Sys->expand(L1, R_1_2_3, 1.0);
49 Sys->expand(L2, R_1_2_3, 1.0);
50 Sys->expand(L3, R_1_2_3, 1.0);
52 Sys->expand(L1, R_1, 1.0);
53 Sys->expand(L2, R_2, 1.0);
54 Sys->expand(L3, R_3, 1.0);
63 Sys->variable_free(R_1_2_3);
64 Sys->variable_free(R_1);
65 Sys->variable_free(R_2);
66 Sys->variable_free(R_3);
72 lmm::System* Sys = lmm::make_new_maxmin_system(false);
74 lmm::Constraint* CPU1 = Sys->constraint_new(nullptr, 200.0);
75 lmm::Constraint* CPU2 = Sys->constraint_new(nullptr, 100.0);
77 lmm::Variable* T1 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
78 lmm::Variable* T2 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
80 Sys->update_variable_penalty(T1, 1.0);
81 Sys->update_variable_penalty(T2, 1.0);
83 Sys->expand(CPU1, T1, 1.0);
84 Sys->expand(CPU2, T2, 1.0);
91 Sys->variable_free(T1);
92 Sys->variable_free(T2);
101 double** A = new double*[links + 5];
102 /* array to add the constraints of fictitious variables */
103 double B[15] = { 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1 };
105 for (int i = 0; i < links + 5; i++) {
106 A[i] = new double[flows + 5];
107 for (int j = 0; j < flows + 5; j++) {
110 if (i >= links || j >= flows) {
116 /*matrix that store the constraints/topology */
117 A[0][1] = A[0][7] = 1.0;
118 A[1][1] = A[1][7] = A[1][8] = 1.0;
119 A[2][1] = A[2][8] = 1.0;
121 A[4][0] = A[4][3] = A[4][9] = 1.0;
122 A[5][0] = A[5][3] = A[5][4] = A[5][9] = 1.0;
123 A[6][0] = A[6][4] = A[6][9] = A[6][10] = 1.0;
124 A[7][2] = A[7][4] = A[7][6] = A[7][9] = A[7][10] = 1.0;
125 A[8][2] = A[8][10] = 1.0;
126 A[9][5] = A[9][6] = A[9][9] = 1.0;
133 lmm::System* Sys = lmm::make_new_maxmin_system(false);
135 /* Creates the constraints */
136 lmm::Constraint** tmp_cnst = new lmm::Constraint*[15];
137 for (int i = 0; i < 15; i++)
138 tmp_cnst[i] = Sys->constraint_new(nullptr, B[i]);
140 /* Creates the variables */
141 lmm::Variable** tmp_var = new lmm::Variable*[16];
142 for (int j = 0; j < 16; j++) {
143 tmp_var[j] = Sys->variable_new(nullptr, 1.0, -1.0, 15);
144 Sys->update_variable_penalty(tmp_var[j], 1.0);
147 /* Link constraints and variables */
148 for (int i = 0; i < 15; i++)
149 for (int j = 0; j < 16; j++)
151 Sys->expand(tmp_cnst[i], tmp_var[j], 1.0);
155 for (int j = 0; j < 16; j++)
156 PRINT_VAR(tmp_var[j]);
158 for (int j = 0; j < 16; j++)
159 Sys->variable_free(tmp_var[j]);
163 for (int i = 0; i < links + 5; i++)
168 int main(int argc, char** argv)
170 MSG_init(&argc, argv);
171 XBT_INFO("***** Test 1");
174 XBT_INFO("***** Test 2");
177 XBT_INFO("***** Test 3");