PulseChiSqSNNLS.cc File Reference

#include "RecoLocalCalo/EcalRecAlgos/interface/PulseChiSqSNNLS.h"
#include <cmath>
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <iostream>

Go to the source code of this file.

Functions
void	eigen_solve_submatrix (PulseMatrix &mat, PulseVector &invec, PulseVector &outvec, unsigned NP)

Function Documentation

void eigen_solve_submatrix	(	PulseMatrix &	mat,
		PulseVector &	invec,
		PulseVector &	outvec,
		unsigned	NP
	)

Definition at line 6 of file PulseChiSqSNNLS.cc.

References Exception, and groupFilesInBlocks::temp.

Referenced by PulseChiSqSNNLS::NNLS().

                                                                                                   {
  using namespace Eigen;
  switch( NP ) { // pulse matrix is always square.
  case 10:
    {
      Matrix<double,10,10> temp = mat.topLeftCorner<10,10>();
      outvec.head<10>() = temp.ldlt().solve(invec.head<10>());
    }
    break;
  case 9:
    {
      Matrix<double,9,9> temp = mat.topLeftCorner<9,9>();
      outvec.head<9>() = temp.ldlt().solve(invec.head<9>());
    }
    break;
  case 8:
    {
      Matrix<double,8,8> temp = mat.topLeftCorner<8,8>();
      outvec.head<8>() = temp.ldlt().solve(invec.head<8>());
    }
    break;
  case 7:
    {
      Matrix<double,7,7> temp = mat.topLeftCorner<7,7>();
      outvec.head<7>() = temp.ldlt().solve(invec.head<7>());
    }
    break;
  case 6:
    {
      Matrix<double,6,6> temp = mat.topLeftCorner<6,6>();
      outvec.head<6>() = temp.ldlt().solve(invec.head<6>());
    }
    break;
  case 5:
    {
      Matrix<double,5,5> temp = mat.topLeftCorner<5,5>();
      outvec.head<5>() = temp.ldlt().solve(invec.head<5>());
    }
    break;
  case 4:
    {
      Matrix<double,4,4> temp = mat.topLeftCorner<4,4>();
      outvec.head<4>() = temp.ldlt().solve(invec.head<4>());
    }
    break;
  case 3: 
    {
      Matrix<double,3,3> temp = mat.topLeftCorner<3,3>();
      outvec.head<3>() = temp.ldlt().solve(invec.head<3>());
    }
    break;
  case 2:
    {
      Matrix<double,2,2> temp = mat.topLeftCorner<2,2>();
      outvec.head<2>() = temp.ldlt().solve(invec.head<2>());
    }
    break;
  case 1:
    {
      Matrix<double,1,1> temp = mat.topLeftCorner<1,1>();
      outvec.head<1>() = temp.ldlt().solve(invec.head<1>());
    }
    break;
  default:
    throw cms::Exception("MultFitWeirdState")
      << "Weird number of pulses encountered in multifit, module is configured incorrectly!";
  }
}