X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3e7a6085312ea8e0cc7b71adaef4074db9b15892..a1077f2304c8e738c23855e33422182f4aca6d2e:/src/surf/lagrange.cpp diff --git a/src/surf/lagrange.cpp b/src/surf/lagrange.cpp index 20f16b5951..4ad25edeb0 100644 --- a/src/surf/lagrange.cpp +++ b/src/surf/lagrange.cpp @@ -1,5 +1,4 @@ -/* Copyright (c) 2007-2014. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2007-2017. 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. */ @@ -33,7 +32,7 @@ double (*func_fpi_def) (lmm_variable_t, double); void lagrange_solve(lmm_system_t sys); //computes the value of the dichotomy using a initial values, init, with a specific variable or constraint static double dichotomy(double init, double diff(double, void *), void *var_cnst, double min_error); -//computes the value of the differential of constraint param_cnst applied to lambda +//computes the value of the differential of constraint param_cnst applied to lambda static double partial_diff_lambda(double lambda, void *param_cnst); static int __check_feasible(xbt_swag_t cnst_list, xbt_swag_t var_list, int warn) @@ -44,11 +43,9 @@ static int __check_feasible(xbt_swag_t cnst_list, xbt_swag_t var_list, int warn) lmm_constraint_t cnst = nullptr; lmm_variable_t var = nullptr; - double tmp; - xbt_swag_foreach(_cnst, cnst_list) { - cnst = static_cast(_cnst); - tmp = 0; + cnst = static_cast(_cnst); + double tmp = 0; elem_list = &(cnst->enabled_element_set); xbt_swag_foreach(_elem, elem_list) { elem = static_cast(_elem); @@ -194,8 +191,8 @@ void lagrange_solve(lmm_system_t sys) XBT_DEBUG("#### cnst(%p)->lambda : %e", cnst, cnst->lambda); } - /* - * Initialize the var list variable with only the active variables. + /* + * Initialize the var list variable with only the active variables. * Associate an index in the swag variables. Initialize mu. */ var_list = &(sys->variable_set); @@ -320,7 +317,7 @@ void lagrange_solve(lmm_system_t sys) * * @param init initial value for \mu or \lambda * @param diff a function that computes the differential of with respect a \mu or \lambda - * @param var_cnst a pointer to a variable or constraint + * @param var_cnst a pointer to a variable or constraint * @param min_erro a minimum error tolerated * * @return a double corresponding to the result of the dichotomy process @@ -431,30 +428,25 @@ static double dichotomy(double init, double diff(double, void *), void *var_cnst static double partial_diff_lambda(double lambda, void *param_cnst) { - int j; - void *_elem; - xbt_swag_t elem_list = nullptr; - lmm_element_t elem = nullptr; - lmm_variable_t var = nullptr; lmm_constraint_t cnst = static_cast(param_cnst); double diff = 0.0; - double sigma_i = 0.0; XBT_IN(); - elem_list = &(cnst->enabled_element_set); XBT_CDEBUG(surf_lagrange_dichotomy, "Computing diff of cnst (%p)", cnst); + xbt_swag_t elem_list = &(cnst->enabled_element_set); + void* _elem; xbt_swag_foreach(_elem, elem_list) { - elem = static_cast(_elem); - var = elem->variable; + lmm_element_t elem = static_cast(_elem); + lmm_variable_t var = elem->variable; xbt_assert(var->weight > 0); XBT_CDEBUG(surf_lagrange_dichotomy, "Computing sigma_i for var (%p)", var); // Initialize the summation variable - sigma_i = 0.0; + double sigma_i = 0.0; - // Compute sigma_i - for (j = 0; j < var->cnsts_number; j++) { + // Compute sigma_i + for (int j = 0; j < var->cnsts_number; j++) { sigma_i += (var->cnsts[j].constraint)->lambda; } @@ -476,9 +468,9 @@ static double partial_diff_lambda(double lambda, void *param_cnst) } /** \brief Attribute the value bound to var->bound. - * + * * \param func_fpi inverse of the partial differential of f (f prime inverse, (f')^{-1}) - * + * * Set default functions to the ones passed as parameters. This is a polymorphism in C pure, enjoy the roots of * programming. *