Path: blob/master/sage/numerical/backends/gurobi_backend.pxd
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############################################################################## # Copyright (C) 2010 Nathann Cohen <[email protected]> # Distributed under the terms of the GNU General Public License (GPL) # The full text of the GPL is available at: # http://www.gnu.org/licenses/ ############################################################################## from generic_backend cimport GenericBackend include '../../../../../devel/sage/sage/ext/stdsage.pxi' #cdef extern from *: # ctypedef double* const_double_ptr "const double*" # ctypedef char * const_char_ptr "const char*" #cdef extern from "float.h": # cdef double DBL_MAX cdef extern from "../../../local/include/gurobi_c.h": ctypedef struct GRBmodel: pass ctypedef struct GRBenv: pass int GRBloadenv(GRBenv **, char *) int GRBnewmodel(GRBenv *env, GRBmodel **modelP, char *Pname, int numvars, double *obj, double *lb, double *ub, char *vtype, char **varnames) int GRBaddvar(GRBmodel *model, int numnz, int *vind, double *vval, double obj, double lb, double ub, char vtype, char *varname) int GRBaddvars (GRBmodel*model, intnumvars, intnumnz, int*vbeg, int*vind, double*vval, double*obj, double*lb, double*ub, char*vtype, char** varnames ) int GRBaddconstr(GRBmodel *model, int numnz, int *cind, double *cval, char sense, double rhs, char *constrnames) int GRBdelconstrs (GRBmodel *model, int numdel, int * ind ) int GRBaddrangeconstr(GRBmodel *model, int numnz, int *cind, double *cval, double lower, double upper, char *constrnames) void GRBfreemodel(GRBmodel *model) void GRBfreeenv(GRBenv *env) int GRBupdatemodel(GRBmodel *model) int GRBoptimize(GRBmodel *model) char * GRBgeterrormsg(GRBenv *env) int GRBgetintattr(GRBmodel *model, char * attrname, int * result) int GRBsetintattr(GRBmodel *model, char * attrname, int value) int GRBgetdblattr(GRBmodel *model, char * attrname, double * result) int GRBsetdblattr(GRBmodel *model, char * attrname, double value) int GRBgetdblattrelement (GRBmodel*model, char* attrname, int element, double* valueP ) int GRBsetdblattrelement (GRBmodel*model, char* attrname, int element, double valueP ) int GRBgetcharattrelement (GRBmodel*model, char* attrname, int element, char* valueP ) int GRBsetcharattrelement (GRBmodel*model, char* attrname, int element, char valueP ) int GRBsetstrattr (GRBmodel*model, char* attrname, char * valueP ) int GRBgetstrattr (GRBmodel*model, char* attrname, char ** valueP ) #int GRBsetstrattrelement (GRBmodel*model, char* attrname, int index, char * valueP ) int GRBgetstrattrelement (GRBmodel*model, char* attrname, int index, char ** valueP ) int GRBwrite (GRBmodel*model, char* filename) int GRBsetintparam(GRBenv *env, char * attrname, int value) GRBenv * GRBgetenv (GRBmodel * model ) int GRBgetconstrs (GRBmodel * model, int * numnzP, int * cbeg, int * cind, double * cval, int start, int len ) int GRB_BINARY int GRB_CONTINUOUS int GRB_INTEGER int GRB_INFINITY char GRB_LESS_EQUAL char GRB_GREATER_EQUAL char GRB_EQUAL int GRB_LOADED int GRB_OPTIMAL int GRB_INFEASIBLE int GRB_INF_OR_UNBD int GRB_UNBOUNDED int GRB_CUTOFF int GRB_ITERATION_LIMIT int GRB_NODE_LIMIT int GRB_TIME_LIMIT int GRB_SOLUTION_LIMIT int GRB_INTERRUPTED int GRB_NUMERIC int GRB_SUBOPTIMAL cdef class GurobiBackend(GenericBackend): cdef GRBenv * env cdef GRBmodel ** model cdef int num_vars