Chol.h

// 
//     Minotaur -- It's only 1/2 bull
// 
//     (C)opyright 2008 - 2025 The Minotaur Team.
// 
 
 
#ifndef MINOTAURCHOL_H
#define MINOTAURCHOL_H
 
#include "LinearFunction.h"
#include "QuadraticFunction.h"
 
namespace Minotaur {
 
 
  // /**
  // The CholCalculator class is used to calculate Cholesky factorization 
  //  of given quadratic function
  // */
  class CholCalculator {
    public:
 
      CholCalculator();
 
      // /**
      // Construct using a quadratic function.
      // */
      CholCalculator(ConstQuadraticFunctionPtr qf);
 
      // /**
      // Destroy
      // */
      ~CholCalculator() {};
 
    private:
 
      // /**
      // The quadratic function for whose Hessian we wish to find the eigen values.
      // */
      ConstQuadraticFunctionPtr qf_;
 
      // /**
      // Dimension of the square matrix
      // */
      UInt n_;
 
      // /**
      // The square matrix is stored as a single array. The element A[i,j] can
      // be accessed at A_[i+j*n_]. And element A_[i] = A[i mod n_, i/n_].
      // */
      double *A_;
 
      double abstol_;
 
  };
 
 
}
#endif