X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d3532ee4558ad2997a36fa8739702a7ff4968916..8bc85164acb335cf909052b966b2ee4932e06cd7:/teshsuite/surf/lmm_usage/lmm_usage.cpp diff --git a/teshsuite/surf/lmm_usage/lmm_usage.cpp b/teshsuite/surf/lmm_usage/lmm_usage.cpp index 95644ca0d8..9ecc8e57ab 100644 --- a/teshsuite/surf/lmm_usage/lmm_usage.cpp +++ b/teshsuite/surf/lmm_usage/lmm_usage.cpp @@ -1,11 +1,11 @@ /* A few tests for the maxmin library */ -/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2020. 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. */ -#include "simgrid/msg.h" +#include "simgrid/s4u/Engine.hpp" #include "src/kernel/lmm/maxmin.hpp" #include "src/surf/surf_interface.hpp" #include "xbt/log.h" @@ -18,82 +18,19 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(surf_test, "Messages specific for surf example"); namespace lmm = simgrid::kernel::lmm; -#define PRINT_VAR(var) XBT_DEBUG(#var " = %g", (var)->get_value()) -#define SHOW_EXPR(expr) XBT_DEBUG(#expr " = %g",expr) +#define PRINT_VAR(var) XBT_DEBUG(_XBT_STRINGIFY(var) " = %g", (var)->get_value()) +#define SHOW_EXPR(expr) XBT_DEBUG(_XBT_STRINGIFY(expr) " = %g", (expr)) /* ______ */ /* ==l1== L2 ==L3== */ /* ------ */ -static lmm::System* new_system() -{ - return lmm::make_new_maxmin_system(false); -} - -double a_test_1 = 0; -double b_test_1 = 0; -static double diff_lagrange_test_1(double x) -{ - return -(3 / (1 + 3 * x * x / 2) - 3 / (2 * (3 * (a_test_1 - x) * (a_test_1 - x) / 2 + 1)) + - 3 / (2 * (3 * (b_test_1 - a_test_1 + x) * (b_test_1 - a_test_1 + x) / 2 + 1))); -} - -static double dichotomy(double min, double max, double min_error) -{ - double overall_error = 2 * min_error; - - double min_func = diff_lagrange_test_1(min); - double max_func = diff_lagrange_test_1(max); - - if (min_func > 0 && max_func > 0) - return min - 1.0; - if (min_func < 0 && max_func < 0) - return max + 1.0; - if (min_func > 0 && max_func < 0) - abort(); - - SHOW_EXPR(min_error); - - while (overall_error > min_error) { - SHOW_EXPR(overall_error); - xbt_assert(min_func <= 0 || max_func <= 0); - xbt_assert(min_func >= 0 || max_func >= 0); - xbt_assert(min_func <= 0 || max_func >= 0); - - SHOW_EXPR(min); - SHOW_EXPR(min_func); - SHOW_EXPR(max); - SHOW_EXPR(max_func); - - double middle = (max + min) / 2.0; - if (fabs(min - middle) < 1e-12 || fabs(max - middle) < 1e-12) { - break; - } - double middle_func = diff_lagrange_test_1(middle); - SHOW_EXPR(middle); - SHOW_EXPR(middle_func); - - if (middle_func < 0) { - min = middle; - min_func = middle_func; - overall_error = max_func - middle_func; - } else if (middle_func > 0) { - max = middle; - max_func = middle_func; - overall_error = middle_func - min_func; - } else { - overall_error = 0; - } - } - return ((min + max) / 2.0); -} - static void test1() { double a = 1.0; double b = 10.0; - lmm::System* Sys = new_system(); + lmm::System* Sys = lmm::make_new_maxmin_system(false); lmm::Constraint* L1 = Sys->constraint_new(nullptr, a); lmm::Constraint* L2 = Sys->constraint_new(nullptr, b); lmm::Constraint* L3 = Sys->constraint_new(nullptr, a); @@ -103,10 +40,10 @@ static void test1() lmm::Variable* R_2 = Sys->variable_new(nullptr, 1.0, -1.0, 1); lmm::Variable* R_3 = Sys->variable_new(nullptr, 1.0, -1.0, 1); - Sys->update_variable_weight(R_1_2_3, 1.0); - Sys->update_variable_weight(R_1, 1.0); - Sys->update_variable_weight(R_2, 1.0); - Sys->update_variable_weight(R_3, 1.0); + Sys->update_variable_penalty(R_1_2_3, 1.0); + Sys->update_variable_penalty(R_1, 1.0); + Sys->update_variable_penalty(R_2, 1.0); + Sys->update_variable_penalty(R_3, 1.0); Sys->expand(L1, R_1_2_3, 1.0); Sys->expand(L2, R_1_2_3, 1.0); @@ -132,7 +69,7 @@ static void test1() static void test2() { - lmm::System* Sys = new_system(); + lmm::System* Sys = lmm::make_new_maxmin_system(false); lmm::Constraint* CPU1 = Sys->constraint_new(nullptr, 200.0); lmm::Constraint* CPU2 = Sys->constraint_new(nullptr, 100.0); @@ -140,8 +77,8 @@ static void test2() lmm::Variable* T1 = Sys->variable_new(nullptr, 1.0, -1.0, 1); lmm::Variable* T2 = Sys->variable_new(nullptr, 1.0, -1.0, 1); - Sys->update_variable_weight(T1, 1.0); - Sys->update_variable_weight(T2, 1.0); + Sys->update_variable_penalty(T1, 1.0); + Sys->update_variable_penalty(T2, 1.0); Sys->expand(CPU1, T1, 1.0); Sys->expand(CPU2, T2, 1.0); @@ -193,7 +130,7 @@ static void test3() A[13][14] = 1.0; A[14][15] = 1.0; - lmm::System* Sys = new_system(); + lmm::System* Sys = lmm::make_new_maxmin_system(false); /* Creates the constraints */ lmm::Constraint** tmp_cnst = new lmm::Constraint*[15]; @@ -204,13 +141,13 @@ static void test3() lmm::Variable** tmp_var = new lmm::Variable*[16]; for (int j = 0; j < 16; j++) { tmp_var[j] = Sys->variable_new(nullptr, 1.0, -1.0, 15); - Sys->update_variable_weight(tmp_var[j], 1.0); + Sys->update_variable_penalty(tmp_var[j], 1.0); } /* Link constraints and variables */ for (int i = 0; i < 15; i++) for (int j = 0; j < 16; j++) - if (A[i][j]) + if (A[i][j] != 0.0) Sys->expand(tmp_cnst[i], tmp_var[j], 1.0); Sys->solve(); @@ -230,7 +167,7 @@ static void test3() int main(int argc, char** argv) { - MSG_init(&argc, argv); + simgrid::s4u::Engine e(&argc, argv); XBT_INFO("***** Test 1"); test1();