![]() |
Google OR-Tools v9.14
a fast and portable software suite for combinatorial optimization
|
Definition at line 41 of file g_xpress.h.
#include <g_xpress.h>
Public Member Functions | |
Xpress ()=delete | |
absl::Status | SetProbName (absl::string_view name) |
~Xpress () | |
absl::StatusOr< int > | GetIntControl (int control) const |
absl::Status | SetIntControl (int control, int value) |
absl::Status | ResetIntControl (int control) |
absl::StatusOr< int > | GetIntAttr (int attribute) const |
absl::StatusOr< double > | GetDoubleAttr (int attribute) const |
absl::Status | AddVars (absl::Span< const double > obj, absl::Span< const double > lb, absl::Span< const double > ub, absl::Span< const char > vtype) |
absl::Status | AddVars (absl::Span< const int > vbegin, absl::Span< const int > vind, absl::Span< const double > vval, absl::Span< const double > obj, absl::Span< const double > lb, absl::Span< const double > ub, absl::Span< const char > vtype) |
absl::Status | AddConstrs (absl::Span< const char > sense, absl::Span< const double > rhs, absl::Span< const double > rng) |
absl::Status | AddConstrs (absl::Span< const char > rowtype, absl::Span< const double > rhs, absl::Span< const double > rng, absl::Span< const int > start, absl::Span< const int > colind, absl::Span< const double > rowcoef) |
absl::Status | SetObjectiveSense (bool maximize) |
absl::Status | SetLinearObjective (double constant, absl::Span< const int > col_index, absl::Span< const double > obj_coeffs) |
absl::Status | SetQuadraticObjective (absl::Span< const int > colind1, absl::Span< const int > colind2, absl::Span< const double > coefficients) |
absl::Status | ChgCoeffs (absl::Span< const int > rowind, absl::Span< const int > colind, absl::Span< const double > values) |
absl::Status | LpOptimize (std::string flags) |
absl::Status | GetLpSol (absl::Span< double > primals, absl::Span< double > duals, absl::Span< double > reducedCosts) |
absl::Status | MipOptimize () |
absl::Status | PostSolve () |
void | Terminate () |
absl::StatusOr< int > | GetDualStatus () const |
absl::Status | GetBasis (std::vector< int > &rowBasis, std::vector< int > &colBasis) const |
absl::Status | SetStartingBasis (std::vector< int > &rowBasis, std::vector< int > &colBasis) const |
int | GetNumberOfConstraints () const |
int | GetNumberOfVariables () const |
absl::StatusOr< std::vector< double > > | GetVarLb () const |
absl::StatusOr< std::vector< double > > | GetVarUb () const |
Static Public Member Functions | |
static absl::StatusOr< std::unique_ptr< Xpress > > | New (absl::string_view model_name) |
Creates a new Xpress. | |
static void XPRS_CC | printXpressMessage (XPRSprob prob, void *data, const char *sMsg, int nLen, int nMsgLvl) |
|
delete |
operations_research::math_opt::Xpress::~Xpress | ( | ) |
Definition at line 87 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::AddConstrs | ( | absl::Span< const char > | rowtype, |
absl::Span< const double > | rhs, | ||
absl::Span< const double > | rng, | ||
absl::Span< const int > | start, | ||
absl::Span< const int > | colind, | ||
absl::Span< const double > | rowcoef ) |
Definition at line 146 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::AddConstrs | ( | absl::Span< const char > | sense, |
absl::Span< const double > | rhs, | ||
absl::Span< const double > | rng ) |
Definition at line 133 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::AddVars | ( | absl::Span< const double > | obj, |
absl::Span< const double > | lb, | ||
absl::Span< const double > | ub, | ||
absl::Span< const char > | vtype ) |
Definition at line 99 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::AddVars | ( | absl::Span< const int > | vbegin, |
absl::Span< const int > | vind, | ||
absl::Span< const double > | vval, | ||
absl::Span< const double > | obj, | ||
absl::Span< const double > | lb, | ||
absl::Span< const double > | ub, | ||
absl::Span< const char > | vtype ) |
Definition at line 106 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::ChgCoeffs | ( | absl::Span< const int > | rowind, |
absl::Span< const int > | colind, | ||
absl::Span< const double > | values ) |
Definition at line 196 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::GetBasis | ( | std::vector< int > & | rowBasis, |
std::vector< int > & | colBasis ) const |
Definition at line 282 of file g_xpress.cc.
absl::StatusOr< double > operations_research::math_opt::Xpress::GetDoubleAttr | ( | int | attribute | ) | const |
Definition at line 253 of file g_xpress.cc.
absl::StatusOr< int > operations_research::math_opt::Xpress::GetDualStatus | ( | ) | const |
Even though we do not need the values, we have to fetch them, otherwise we'd get a segmentation fault
Definition at line 272 of file g_xpress.cc.
absl::StatusOr< int > operations_research::math_opt::Xpress::GetIntAttr | ( | int | attribute | ) | const |
Definition at line 246 of file g_xpress.cc.
absl::StatusOr< int > operations_research::math_opt::Xpress::GetIntControl | ( | int | control | ) | const |
Definition at line 225 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::GetLpSol | ( | absl::Span< double > | primals, |
absl::Span< double > | duals, | ||
absl::Span< double > | reducedCosts ) |
Fetch LP solution (primals, duals, and reduced costs) The user is responsible for ensuring that the three vectors are of correct size (nVars, nCons, and nVars respectively)
Definition at line 208 of file g_xpress.cc.
int operations_research::math_opt::Xpress::GetNumberOfConstraints | ( | ) | const |
Definition at line 260 of file g_xpress.cc.
int operations_research::math_opt::Xpress::GetNumberOfVariables | ( | ) | const |
Definition at line 266 of file g_xpress.cc.
absl::StatusOr< std::vector< double > > operations_research::math_opt::Xpress::GetVarLb | ( | ) | const |
Definition at line 300 of file g_xpress.cc.
absl::StatusOr< std::vector< double > > operations_research::math_opt::Xpress::GetVarUb | ( | ) | const |
Definition at line 309 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::LpOptimize | ( | std::string | flags | ) |
Definition at line 204 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::MipOptimize | ( | ) |
Definition at line 219 of file g_xpress.cc.
|
static |
Creates a new Xpress.
Definition at line 62 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::PostSolve | ( | ) |
Definition at line 215 of file g_xpress.cc.
|
static |
Definition at line 80 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::ResetIntControl | ( | int | control | ) |
Definition at line 236 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::SetIntControl | ( | int | control, |
int | value ) |
Definition at line 232 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::SetLinearObjective | ( | double | constant, |
absl::Span< const int > | col_index, | ||
absl::Span< const double > | obj_coeffs ) |
Definition at line 175 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::SetObjectiveSense | ( | bool | maximize | ) |
Definition at line 170 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::SetProbName | ( | absl::string_view | name | ) |
Definition at line 71 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::SetQuadraticObjective | ( | absl::Span< const int > | colind1, |
absl::Span< const int > | colind2, | ||
absl::Span< const double > | coefficients ) |
Definition at line 188 of file g_xpress.cc.
absl::Status operations_research::math_opt::Xpress::SetStartingBasis | ( | std::vector< int > & | rowBasis, |
std::vector< int > & | colBasis ) const |
Definition at line 290 of file g_xpress.cc.
void operations_research::math_opt::Xpress::Terminate | ( | ) |
Definition at line 223 of file g_xpress.cc.