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Comment:Simplified.
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SHA3-256: 746df31cd63e8ee81c49cab346f6da58123420359c4836d13c26fdca29fb2681
User & Date: geraint@users.sourceforge.net on 2001-02-05 04:23:09
Other Links: branch diff | manifest | tags
Context
2001-02-05
04:32:35
Octave version 2.1.x compatability and #ifdef statements for standalone rep check-in: 836eaf9473 user: geraint@users.sourceforge.net tags: origin/master, trunk
04:23:09
Simplified. check-in: 746df31cd6 user: geraint@users.sourceforge.net tags: origin/master, trunk
04:16:06
Prevent match of zero occurences of a letter between "mtt" and a digit.
Fixes bug #116426. check-in: b70e3384ec user: geraint@users.sourceforge.net tags: origin/master, trunk
Changes
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Modified mttroot/mtt/cc/include/useful-functions.hh from [8f3b0557d9] to [bc3e893dc8]. 

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// $Id$
// $Log$
// Revision 1.1  2000/11/28 04:50:29  geraint



// Initial revision
//






inline Matrix
ones (const int r = 1, const int c = 1)
{
  Matrix m (r, c);
  register int i, j;
  for (i = 0; i < r; i++)
    for (j = 0; j < c; j++)
      m (i, j) = 1.0;
  return m;
}

inline ColumnVector
nozeros (const ColumnVector v0, const double tol = 0.0)
{
  ColumnVector v (v0.length ());
  register int i, j;
  for (i = j = 0; i < v.length (); i++)
    if (tol < abs (v0 (i)))
      {
	v (j) = v0 (i);
	j++;
      }


  return (j)



    ? (v.extract (0, --j))
    : 0x0;

}

inline ColumnVector
zeros (const int r)
{
  ColumnVector v (r);
  register int i;
  for (i = 0; i < r; i++)
    v (i) = 0.0;
  return v;
}

inline Matrix
zeros (const int r, const int c)
{
  Matrix m (r, c);
  register int i, j;
  for (i = 0; i < r; i++)
    for (j = 0; j < c; j++)
      m (i, j) = 0.0;
  return m;
}

template <class T>
inline int
sign (T x)
{
  return
    (0 < x) ? +1 :
    (0 > x) ? -1 :
    0;
}



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template <class T>
inline T max (const T &x1, const T &x2)
{
  return (x1 >= x2) ? x1 : (x2 < x1) ? x2 : 0;
}


template <class T>
inline T min (const T &x1, const T &x2)
{
  return (x1 <= x2) ? x1 : (x2 > x1) ? x2 : 0;
}

inline Matrix
ones (const int r = 1, const int c = 1)
{
  Matrix m (r, c, 1.0);




  return m;
}

inline ColumnVector
nozeros (const ColumnVector v0, const double tol = 0.0)
{
  ColumnVector v (v0.length ());
  register int i, j;
  for (i = j = 0; i < v.length (); i++)
    if (tol < abs (v0 (i)))
      {
	v (j) = v0 (i);
	j++;
      }
  if (0 == j)
    {
      return *new ColumnVector ();
    }
  else
    {
      return (v.extract (0, --j));

    }
}

inline ColumnVector
zeros (const int r)
{
  ColumnVector v (r, 0.0);



  return v;
}

inline Matrix
zeros (const int r, const int c)
{
  Matrix m (r, c, 0.0);




  return m;
}

template <class T>
inline int
sign (T x)
{
  return
    (0 < x) ? +1 :
    (0 > x) ? -1 :
    0;
}

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