X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2e70818053960b18853a529d21d8151f8b2f3783..d3532ee4558ad2997a36fa8739702a7ff4968916:/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 7c7c8c6fd9..95644ca0d8 100644 --- a/teshsuite/surf/lmm_usage/lmm_usage.cpp +++ b/teshsuite/surf/lmm_usage/lmm_usage.cpp @@ -25,20 +25,9 @@ namespace lmm = simgrid::kernel::lmm; /* ==l1== L2 ==L3== */ /* ------ */ -enum method_t { MAXMIN, LAGRANGE_RENO, LAGRANGE_VEGAS }; - -static lmm::System* new_system(method_t method) +static lmm::System* new_system() { - /* selective update would need real actions instead of NULL as a first parameter to the variable constructor */ - switch (method) { - case MAXMIN: - return lmm::make_new_maxmin_system(false); - case LAGRANGE_VEGAS: - case LAGRANGE_RENO: - return lmm::make_new_lagrange_system(false); - default: - xbt_die("Invalid method"); - } + return lmm::make_new_maxmin_system(false); } double a_test_1 = 0; @@ -99,17 +88,12 @@ static double dichotomy(double min, double max, double min_error) return ((min + max) / 2.0); } -static void test1(method_t method) +static void test1() { double a = 1.0; double b = 10.0; - if (method == LAGRANGE_VEGAS) - lmm::Lagrange::set_default_protocol_function(lmm::func_vegas_f, lmm::func_vegas_fp, lmm::func_vegas_fpi); - else if (method == LAGRANGE_RENO) - lmm::Lagrange::set_default_protocol_function(lmm::func_reno_f, lmm::func_reno_fp, lmm::func_reno_fpi); - - lmm::System* Sys = new_system(method); + lmm::System* Sys = new_system(); lmm::Constraint* L1 = Sys->constraint_new(nullptr, a); lmm::Constraint* L2 = Sys->constraint_new(nullptr, b); lmm::Constraint* L3 = Sys->constraint_new(nullptr, a); @@ -132,49 +116,7 @@ static void test1(method_t method) Sys->expand(L2, R_2, 1.0); Sys->expand(L3, R_3, 1.0); - if (method == MAXMIN) { - Sys->solve(); - } else { - double x; - if (method == LAGRANGE_VEGAS) { - x = 3 * a / 4 - 3 * b / 8 + sqrt(9 * b * b + 4 * a * a - 4 * a * b) / 8; - /* Computed with mupad and D_f=1.0 */ - if (x > a) { - x = a; - } - if (x < 0) { - x = 0; - } - } else if (method == LAGRANGE_RENO) { - a_test_1 = a; - b_test_1 = b; - x = dichotomy(0, a, 1e-13); - - if (x < 0) - x = 0; - if (x > a) - x = a; - } else { - xbt_die( "Invalid method"); - } - - Sys->solve(); - - double max_deviation = 0.0; - max_deviation = std::max(max_deviation, fabs(R_1->get_value() - x)); - max_deviation = std::max(max_deviation, fabs(R_3->get_value() - x)); - max_deviation = std::max(max_deviation, fabs(R_2->get_value() - (b - a + x))); - max_deviation = std::max(max_deviation, fabs(R_1_2_3->get_value() - (a - x))); - - if (max_deviation > 0.00001) { // Legacy value used in lagrange.c - XBT_WARN("Max Deviation from optimal solution : %g", max_deviation); - XBT_WARN("Found x = %1.20f", x); - XBT_WARN("Deviation from optimal solution (R_1 = %g): %1.20f", x, R_1->get_value() - x); - XBT_WARN("Deviation from optimal solution (R_2 = %g): %1.20f", b - a + x, R_2->get_value() - (b - a + x)); - XBT_WARN("Deviation from optimal solution (R_3 = %g): %1.20f", x, R_3->get_value() - x); - XBT_WARN("Deviation from optimal solution (R_1_2_3 = %g): %1.20f", a - x, R_1_2_3->get_value() - (a - x)); - } - } + Sys->solve(); PRINT_VAR(R_1_2_3); PRINT_VAR(R_1); @@ -188,14 +130,9 @@ static void test1(method_t method) delete Sys; } -static void test2(method_t method) +static void test2() { - if (method == LAGRANGE_VEGAS) - lmm::Lagrange::set_default_protocol_function(lmm::func_vegas_f, lmm::func_vegas_fp, lmm::func_vegas_fpi); - if (method == LAGRANGE_RENO) - lmm::Lagrange::set_default_protocol_function(lmm::func_reno_f, lmm::func_reno_fp, lmm::func_reno_fpi); - - lmm::System* Sys = new_system(method); + lmm::System* Sys = new_system(); lmm::Constraint* CPU1 = Sys->constraint_new(nullptr, 200.0); lmm::Constraint* CPU2 = Sys->constraint_new(nullptr, 100.0); @@ -219,7 +156,7 @@ static void test2(method_t method) delete Sys; } -static void test3(method_t method) +static void test3() { int flows = 11; int links = 10; @@ -256,12 +193,7 @@ static void test3(method_t method) A[13][14] = 1.0; A[14][15] = 1.0; - if (method == LAGRANGE_VEGAS) - lmm::Lagrange::set_default_protocol_function(lmm::func_vegas_f, lmm::func_vegas_fp, lmm::func_vegas_fpi); - if (method == LAGRANGE_RENO) - lmm::Lagrange::set_default_protocol_function(lmm::func_reno_f, lmm::func_reno_fp, lmm::func_reno_fpi); - - lmm::System* Sys = new_system(method); + lmm::System* Sys = new_system(); /* Creates the constraints */ lmm::Constraint** tmp_cnst = new lmm::Constraint*[15]; @@ -299,26 +231,14 @@ static void test3(method_t method) int main(int argc, char** argv) { MSG_init(&argc, argv); - XBT_INFO("***** Test 1 (Max-Min)"); - test1(MAXMIN); - XBT_INFO("***** Test 1 (Lagrange - Vegas)"); - test1(LAGRANGE_VEGAS); - XBT_INFO("***** Test 1 (Lagrange - Reno)"); - test1(LAGRANGE_RENO); - - XBT_INFO("***** Test 2 (Max-Min)"); - test2(MAXMIN); - XBT_INFO("***** Test 2 (Lagrange - Vegas)"); - test2(LAGRANGE_VEGAS); - XBT_INFO("***** Test 2 (Lagrange - Reno)"); - test2(LAGRANGE_RENO); - - XBT_INFO("***** Test 3 (Max-Min)"); - test3(MAXMIN); - XBT_INFO("***** Test 3 (Lagrange - Vegas)"); - test3(LAGRANGE_VEGAS); - XBT_INFO("***** Test 3 (Lagrange - Reno)"); - test3(LAGRANGE_RENO); + XBT_INFO("***** Test 1"); + test1(); + + XBT_INFO("***** Test 2"); + test2(); + + XBT_INFO("***** Test 3"); + test3(); return 0; }