FLOPC++
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Semantic representation of a linear constraint.This is one of the main public interface classes. It is always constructed through operator overloading between expressions, constants, and variables. There are many 'friend' overloaded operators to do the constuction. The basic idea is to make the constraint look like a paper-model constraint in C++ code. Once constructed, it should be added to the model. More...
#include <MP_constraint.hpp>
Public Member Functions | |
MP_constraint (const MP_set_base &s1=MP_set::getEmpty(), const MP_set_base &s2=MP_set::getEmpty(), const MP_set_base &s3=MP_set::getEmpty(), const MP_set_base &s4=MP_set::getEmpty(), const MP_set_base &s5=MP_set::getEmpty()) | |
construct the MP_constraint with appropriate sets for indexing. More... | |
MP_constraint & | operator() (const MP_index_exp &i1=MP_index_exp::getEmpty(), const MP_index_exp &i2=MP_index_exp::getEmpty(), const MP_index_exp &i3=MP_index_exp::getEmpty(), const MP_index_exp &i4=MP_index_exp::getEmpty(), const MP_index_exp &i5=MP_index_exp::getEmpty()) |
operator int () | |
virtual | ~MP_constraint () |
double | price (int i1=0, int i2=0, int i3=0, int i4=0, int i5=0) const |
void | coefficients (vector< MP::Coef > &cfs) |
int | row_number () const |
MP_constraint & | such_that (const MP_boolean &b) |
void | insertVariables (set< MP_variable *> &v) |
void | operator= (const Constraint &v) |
void | display (string s="") const |
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int | size () const |
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string | getName () const |
void | setName (const string &n) |
Public Attributes | |
MP_model * | M |
int | offset |
MP_expression | left |
MP_expression | right |
Sense_enum | sense |
Private Attributes | |
MP_boolean | B |
const MP_set_base & | S1 |
const MP_set_base & | S2 |
const MP_set_base & | S3 |
const MP_set_base & | S4 |
const MP_set_base & | S5 |
MP_index_exp | I1 |
MP_index_exp | I2 |
MP_index_exp | I3 |
MP_index_exp | I4 |
MP_index_exp | I5 |
Additional Inherited Members | |
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RowMajor (int s1, int s2, int s3, int s4, int s5) | |
int | f (int i1=0, int i2=0, int i3=0, int i4=0, int i5=0) const |
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int | size1 |
int | size2 |
int | size3 |
int | size4 |
int | size5 |
int | size_ |
Semantic representation of a linear constraint.
This is one of the main public interface classes. It is always constructed through operator overloading between expressions, constants, and variables. There are many 'friend' overloaded operators to do the constuction. The basic idea is to make the constraint look like a paper-model constraint in C++ code. Once constructed, it should be added to the model.
The snippet below is an overly simplistic example, but is ok for illustration.
MP_model aModel; // your model
MP_set I; // the set the constraint is defined over.
MP_variable x(I); // your variable
...
MP_constraint cons(I); // construct the right number of constraints.
cons = x <= 3;
// Assign in the semantic rep to it. aModel.add(cons); // add it to the model
There is quite a bit of C++ machinery going on there.
Definition at line 207 of file MP_constraint.hpp.
MP_constraint::MP_constraint | ( | const MP_set_base & | s1 = MP_set::getEmpty() , |
const MP_set_base & | s2 = MP_set::getEmpty() , |
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const MP_set_base & | s3 = MP_set::getEmpty() , |
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const MP_set_base & | s4 = MP_set::getEmpty() , |
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const MP_set_base & | s5 = MP_set::getEmpty() |
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) |
construct the MP_constraint with appropriate sets for indexing.
Definition at line 50 of file MP_constraint.cpp.
References flopc::MP_model::add(), and flopc::MP_model::current_model.
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inlinevirtual |
Definition at line 234 of file MP_constraint.hpp.
void MP_constraint::coefficients | ( | vector< MP::Coef > & | cfs | ) |
Definition at line 65 of file MP_constraint.cpp.
References B, flopc::RowMajor::f(), I1, I2, I3, I4, I5, flopc::Handle< T >::isDefined(), left, right, S1, S2, S3, S4, S5, and such_that().
void MP_constraint::display | ( | string | s = "" | ) | const |
Definition at line 87 of file MP_constraint.cpp.
References M, offset, flopc::RowMajor::size(), and flopc::MP_model::Solver.
void MP_constraint::insertVariables | ( | set< MP_variable *> & | v | ) |
Definition at line 78 of file MP_constraint.cpp.
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inline |
Definition at line 229 of file MP_constraint.hpp.
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inline |
Definition at line 218 of file MP_constraint.hpp.
void MP_constraint::operator= | ( | const Constraint & | v | ) |
Definition at line 24 of file MP_constraint.cpp.
double MP_constraint::price | ( | int | i1 = 0 , |
int | i2 = 0 , |
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int | i3 = 0 , |
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int | i4 = 0 , |
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int | i5 = 0 |
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) | const |
Definition at line 46 of file MP_constraint.cpp.
References flopc::RowMajor::f(), M, offset, and flopc::MP_model::Solver.
int MP_constraint::row_number | ( | ) | const |
Definition at line 30 of file MP_constraint.cpp.
References flopc::MP_set_base::check(), flopc::RowMajor::f(), I1, I2, I3, I4, I5, offset, flopc::outOfBound, S1, S2, S3, S4, and S5.
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inline |
Definition at line 242 of file MP_constraint.hpp.
Referenced by coefficients().
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private |
Definition at line 258 of file MP_constraint.hpp.
Referenced by coefficients().
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private |
Definition at line 260 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 260 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 260 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 260 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 260 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
MP_expression flopc::MP_constraint::left |
Definition at line 255 of file MP_constraint.hpp.
Referenced by flopc::MP_model::add(), coefficients(), insertVariables(), and operator=().
MP_model* flopc::MP_constraint::M |
Definition at line 253 of file MP_constraint.hpp.
Referenced by flopc::MP_model::add(), display(), and price().
int flopc::MP_constraint::offset |
Definition at line 254 of file MP_constraint.hpp.
Referenced by flopc::MP_model::add(), display(), price(), and row_number().
MP_expression flopc::MP_constraint::right |
Definition at line 255 of file MP_constraint.hpp.
Referenced by flopc::MP_model::add(), coefficients(), insertVariables(), and operator=().
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private |
Definition at line 259 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 259 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 259 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 259 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
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private |
Definition at line 259 of file MP_constraint.hpp.
Referenced by coefficients(), and row_number().
Sense_enum flopc::MP_constraint::sense |
Definition at line 256 of file MP_constraint.hpp.
Referenced by operator=().