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oct-rand.h

解説を見る。

/*

Copyright (C) 2003 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#if !defined (octave_rand_h)
#define octave_rand_h 1

#include <string>

#include "dMatrix.h"
#include "dNDArray.h"

struct
octave_rand
{
  // Return the current seed.
  static double seed (void);

  // Set the seed.
  static void seed (double s);

  // Return the current distribution.
  static std::string distribution (void);

  // Set the current distribution.  May be either "uniform" (the
  // default) or "normal".
  static void distribution (const std::string& d);

  static void uniform_distribution (void);

  static void normal_distribution (void);

  // Return the next number from the sequence.
  static double scalar (void);

  // Return a matrix of numbers from the sequence, filled in column
  // major order.
  static Matrix matrix (int r, int c);

  // Return an N-dimensional array of numbers from the sequence,
  // filled in column major order.
  static NDArray nd_array (const dim_vector& dims);

  // Return an array of numbers from the sequence.
  static Array<double> vector (int n);
};

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/

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