// $Id: CovMatrixInternal.h,v 1.3 2002/09/19 16:45:18 sachs Exp $
// David Sachs - Fermilab - April 2002
//
// Common information for CovMatrix and Bivector implementation

#include "CovMatrices/CovMatrix.h"
#include <sstream>
#include <iomanip>

namespace CovMatrices
{
  // Define precision and width for displaying dp numbers
  enum { W = 18, P = 10 };  // should have W = P + 8

  // Routine to display a vector
  // Should be called only from CovMatrices package routines
  inline void CovMatrixPutVector(std::ostream& o, 
	const std::vector<double>& v)
  {
    int n = v.size();
    int oldp = o.precision(P);
    std::ios::fmtflags oldf = o.setf( std::ios::scientific | std::ios::showpos );
    int i;

    // Print leading brace
    o << "{";

    // Print each element of the vector
    for ( i = 0; i < n; i++ )
    {
      o << std::setw(W) << v[i];
    }

    // Print trailing brace
    o << " }";

    // Restore the file to its previous state
    o.flags(oldf);
    o.precision(oldp);
  }
}