X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e4347ebf21c12a43c73239fd27630dd68d8c7f8d..40b9540a553006e50628eb13c451c354a0671d3e:/src/include/surf/maxmin.h?ds=sidebyside diff --git a/src/include/surf/maxmin.h b/src/include/surf/maxmin.h index 024807e626..240ad93655 100644 --- a/src/include/surf/maxmin.h +++ b/src/include/surf/maxmin.h @@ -8,14 +8,22 @@ #ifndef _SURF_MAXMIN_H #define _SURF_MAXMIN_H +#include "portable.h" #include "xbt/misc.h" -#include "portable.h" + +#define MAXMIN_PRECISION 0.00001 static XBT_INLINE void double_update(double *variable, double value) { *variable -= value; - if(*variable< 0.00001) *variable = 0.0; + if(*variable< MAXMIN_PRECISION) *variable = 0.0; +} + +static XBT_INLINE int double_positive(double value) +{ + return (value>MAXMIN_PRECISION); } +typedef struct lmm_element *lmm_element_t; typedef struct lmm_variable *lmm_variable_t; typedef struct lmm_constraint *lmm_constraint_t; typedef struct lmm_system *lmm_system_t; @@ -27,6 +35,7 @@ void lmm_variable_disable(lmm_system_t sys, lmm_variable_t var); XBT_PUBLIC(lmm_constraint_t) lmm_constraint_new(lmm_system_t sys, void *id, double bound_value); void lmm_constraint_shared(lmm_constraint_t cnst); +int lmm_constraint_is_shared(lmm_constraint_t cnst); void lmm_constraint_free(lmm_system_t sys, lmm_constraint_t cnst); @@ -35,7 +44,7 @@ XBT_PUBLIC(lmm_variable_t) lmm_variable_new(lmm_system_t sys, void *id, double bound, int number_of_constraints); void lmm_variable_free(lmm_system_t sys, lmm_variable_t var); XBT_PUBLIC(double) lmm_variable_getvalue(lmm_variable_t var); - +XBT_PUBLIC(double) lmm_variable_getbound(lmm_variable_t var); XBT_PUBLIC(void) lmm_expand(lmm_system_t sys, lmm_constraint_t cnst, lmm_variable_t var, double value); @@ -49,7 +58,7 @@ lmm_constraint_t lmm_get_cnst_from_var(lmm_system_t sys, int lmm_get_number_of_cnst_from_var(lmm_system_t sys, lmm_variable_t var); lmm_variable_t lmm_get_var_from_cnst(lmm_system_t sys, lmm_constraint_t cnst, - lmm_variable_t * var); + lmm_element_t * elem); lmm_constraint_t lmm_get_first_active_constraint(lmm_system_t sys); lmm_constraint_t lmm_get_next_active_constraint(lmm_system_t sys, lmm_constraint_t cnst); @@ -61,11 +70,13 @@ void lmm_update(lmm_system_t sys, lmm_constraint_t cnst, lmm_variable_t var, double value); void lmm_update_variable_bound(lmm_system_t sys, lmm_variable_t var, double bound); + + XBT_PUBLIC(void) lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var, double weight); double lmm_get_variable_weight(lmm_variable_t var); -void lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst, +XBT_PUBLIC(void) lmm_update_constraint_bound(lmm_system_t sys, lmm_constraint_t cnst, double bound); int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst); @@ -74,11 +85,32 @@ int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst); XBT_PUBLIC(void) lmm_solve(lmm_system_t sys); #ifdef HAVE_SDP -void sdp_solve(lmm_system_t sys); +XBT_PUBLIC(void) sdp_solve(lmm_system_t sys); #endif /* HAVE_SDP */ -void lagrange_solve(lmm_system_t sys); +XBT_PUBLIC(void) lagrange_solve(lmm_system_t sys); +XBT_PUBLIC(void) bottleneck_solve(lmm_system_t sys); + +/** + * Default functions associated to the chosen protocol. When + * using the lagrangian approach. + */ + +XBT_PUBLIC(void) lmm_set_default_protocol_function(double (* func_f) (lmm_variable_t var, double x), + double (* func_fp) (lmm_variable_t var, double x), + double (* func_fpi)(lmm_variable_t var, double x)); + +XBT_PUBLIC(double func_reno_f) (lmm_variable_t var, double x); +XBT_PUBLIC(double func_reno_fp) (lmm_variable_t var, double x); +XBT_PUBLIC(double func_reno_fpi)(lmm_variable_t var, double x); + +XBT_PUBLIC(double func_reno2_f) (lmm_variable_t var, double x); +XBT_PUBLIC(double func_reno2_fp) (lmm_variable_t var, double x); +XBT_PUBLIC(double func_reno2_fpi)(lmm_variable_t var, double x); + +XBT_PUBLIC(double func_vegas_f) (lmm_variable_t var, double x); +XBT_PUBLIC(double func_vegas_fp) (lmm_variable_t var, double x); +XBT_PUBLIC(double func_vegas_fpi)(lmm_variable_t var, double x); -void lagrange_dicotomi_solve(lmm_system_t sys); #endif /* _SURF_MAXMIN_H */