1 /* Copyright (c) 2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/include/catch.hpp"
7 #include "src/kernel/lmm/maxmin.hpp"
8 #include "src/surf/surf_interface.hpp"
11 namespace lmm = simgrid::kernel::lmm;
13 TEST_CASE("kernel::lmm Single constraint shared systems", "[kernel-lmm-shared-single-sys]")
15 lmm::System* Sys = lmm::make_new_maxmin_system(false);
17 SECTION("Variable weight")
20 * System under consideration:
21 * 1\times\rho_1^{1} + 1\times\rho_2^{2} + 1\times\rho_3^{3} \le 10
24 lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 10);
25 lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 1, 0.0, 1);
26 lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 2, 0.0, 1);
27 lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 3, 0.0, 1);
29 Sys->expand(sys_cnst, sys_var_1, 1);
30 Sys->expand(sys_cnst, sys_var_2, 1);
31 Sys->expand(sys_cnst, sys_var_3, 1);
34 REQUIRE(double_equals(sys_var_1->get_value(), 5.45455, sg_maxmin_precision));
35 REQUIRE(double_equals(sys_var_2->get_value(), 2.72727, sg_maxmin_precision));
36 REQUIRE(double_equals(sys_var_3->get_value(), 1.81818, sg_maxmin_precision));
39 SECTION("Consumption weight")
42 * System under consideration:
43 * 1\times\rho_1^{1} + 2\times\rho_2^{1} + 3\times\rho_3^{1} \le 10
46 lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 10);
47 lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 1, 0.0, 1);
48 lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 1, 0.0, 1);
49 lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 1, 0.0, 1);
51 Sys->expand(sys_cnst, sys_var_1, 1);
52 Sys->expand(sys_cnst, sys_var_2, 2);
53 Sys->expand(sys_cnst, sys_var_3, 3);
56 REQUIRE(double_equals(sys_var_1->get_value(), 1.666667, sg_maxmin_precision));
57 REQUIRE(double_equals(sys_var_2->get_value(), 1.666667, sg_maxmin_precision));
58 REQUIRE(double_equals(sys_var_3->get_value(), 1.666667, sg_maxmin_precision));
61 SECTION("Consumption weight + variable weight")
64 * Strange system under consideration:
65 * 56\times\rho_1^{74} + 21\times\rho_2^{6} + 2\times\rho_3^{2} \le 123
68 lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 123);
69 lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 56, 0.0, 1);
70 lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 21, 0.0, 1);
71 lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 3, 0.0, 1);
73 Sys->expand(sys_cnst, sys_var_1, 74);
74 Sys->expand(sys_cnst, sys_var_2, 6);
75 Sys->expand(sys_cnst, sys_var_3, 2);
78 REQUIRE(double_equals(sys_var_1->get_value(), 0.9659686, sg_maxmin_precision));
79 REQUIRE(double_equals(sys_var_2->get_value(), 2.575916, sg_maxmin_precision));
80 REQUIRE(double_equals(sys_var_3->get_value(), 18.03141, sg_maxmin_precision));
84 TEST_CASE("kernel::lmm Multiple constraint shared systems", "[kernel-lmm-shared-multiple-sys]")
87 lmm::System* Sys = lmm::make_new_maxmin_system(false);
89 SECTION("3 Constraints system")
93 * System under consideration:
94 * 4\times\rho_1^{5.1} + 2.6\times\rho_2^{7} + 1.2\times\rho_3^{8.5} \le 14.6 \\
95 * 5\times\rho_4^{6.2} + 2\times\rho_2^{7} + 4.1\times\rho_3^{8.5} \le 40.7 \\
96 * 6\times\rho_5^1 \le 7
99 lmm::Constraint* sys_cnst_1 = Sys->constraint_new(nullptr, 14.6);
100 lmm::Constraint* sys_cnst_2 = Sys->constraint_new(nullptr, 10.7);
101 lmm::Constraint* sys_cnst_3 = Sys->constraint_new(nullptr, 7);
103 lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 5.1, 0.0, 1);
104 lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 7, 0.0, 2);
105 lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 8.5, 0.0, 2);
106 lmm::Variable* sys_var_4 = Sys->variable_new(nullptr, 6.2, 0.0, 1);
107 lmm::Variable* sys_var_5 = Sys->variable_new(nullptr, 1, 0.0, 1);
110 Sys->expand(sys_cnst_1, sys_var_1, 4);
111 Sys->expand(sys_cnst_1, sys_var_2, 2.6);
112 Sys->expand(sys_cnst_1, sys_var_3, 1.2);
114 Sys->expand(sys_cnst_2, sys_var_4, 5);
115 Sys->expand(sys_cnst_2, sys_var_2, 2);
116 Sys->expand(sys_cnst_2, sys_var_3, 4.1);
118 Sys->expand(sys_cnst_3, sys_var_5, 6);
121 REQUIRE(double_equals(sys_var_1->get_value(), 2.779119, sg_maxmin_precision));
122 REQUIRE(double_equals(sys_var_2->get_value(), 0.9708181, sg_maxmin_precision));
123 REQUIRE(double_equals(sys_var_3->get_value(), 0.7994973, sg_maxmin_precision));
124 REQUIRE(double_equals(sys_var_4->get_value(), 1.096085, sg_maxmin_precision));
125 REQUIRE(double_equals(sys_var_5->get_value(), 1.166667, sg_maxmin_precision));