// $Id: CovMatrixEigCommon.h,v 1.15 2002/05/07 22:06:31 sachs Exp $
#ifndef COVMATRIXEIGCOMMON_H
#define COVMATRIXEIGCOMMON_H
#include <cmath>

// Provide proper access to C++ math functions
using std::abs;
using std::sqrt;

// Common EigenValue and EigenVector routine definitions

namespace CovMatrices
{
  namespace LAPACK
  {
    bool dsptrd(int n, double* ap, double* d, double* e, double* tau);
    bool dopgtr(int n, const double* ap, const double* tau, double* q);
    int dsteqr(int n, double* d, double* e, double* z=0);
  }
}
#endif