Cgl 0.60.9
Loading...
Searching...
No Matches
Classes | Namespaces | Functions
CglLandPUtils.hpp File Reference
#include "CglLandPTabRow.hpp"
#include <vector>
#include <cmath>
+ Include dependency graph for CglLandPUtils.hpp:
+ This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes

struct  LAP::Cuts
 To store extra cuts generated by columns from which they origin. More...
 

Namespaces

namespace  LAP
 Performs one round of Lift & Project using CglLandPSimplex to build cuts.
 

Functions

double LAP::normCoef (TabRow &row, int ncols, const int *nonBasics)
 Compute $ \frac{\sum\limits_{j=1}^n | \overline a_{ij} |}{1 - \overline a_{i0}} $ for row passed as argument.
 
void LAP::scale (OsiRowCut &cut)
 scale the cut passed as argument
 
void LAP::scale (OsiRowCut &cut, double norma)
 scale the cut passed as argument using provided normalization factor
 
void LAP::modularizeRow (TabRow &row, const bool *integerVar)
 Modularize row.
 
double LAP::intersectionCutCoef (double alpha_i, double beta)
 return the coefficients of the intersection cut
 
double LAP::modularizedCoef (double alpha, double beta)
 compute the modularized row coefficient for an integer variable
 
bool LAP::int_val (double value, double tol)
 Says is value is integer.