擬似乱数生成
[低レベル処理関数]

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説明

Mersenne twister(MT19937) アルゴリズムによる疑似乱数生成を行うライブラリです。

注意:

このライブラリはBSDライセンスのfreeライブラリを元に作成しました。

   A C-program for MT19937, with initialization improved 2002/1/26.
   Coded by Takuji Nishimura and Makoto Matsumoto.

   Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
   All rights reserved.                          
   Copyright (C) 2005, Mutsuo Saito,
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

     1. Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.

     2. Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.

     3. The names of its contributors may not be used to endorse or promote 
        products derived from this software without specific prior written 
        permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

   Any feedback is very welcome.
   http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html
   email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
   

データ構造
struct	F_RANDDESC
	擬似乱数用構造体 [詳細]
関数
VOID FVALGAPI	fnFIE_mtrand_init (UINT seed, F_RANDDESC *r)
	擬似乱数初期化ルーチン
VOID FVALGAPI	fnFIE_mtrand_init_by_array (UINT init_key[], INT key_length, F_RANDDESC *r)
	擬似乱数初期化ルーチン
UINT FVALGAPI	fnFIE_mtrand (F_RANDDESC *r)
	擬似一様乱数を生成します
DOUBLE FVALGAPI	fnFIE_mtrand_gauss (F_RANDDESC *r)
	擬似正規乱数を生成します
DOUBLE FVALGAPI	fnFIE_mtrand_real1 (F_RANDDESC *r)
	[0,1]区間内の実数値の擬似乱数を生成します
DOUBLE FVALGAPI	fnFIE_mtrand_real2 (F_RANDDESC *r)
	[0,1)区間内の実数値の擬似乱数を生成します
DOUBLE FVALGAPI	fnFIE_mtrand_real3 (F_RANDDESC *r)
	(0,1)区間内の実数値の擬似乱数を生成します
DOUBLE FVALGAPI	fnFIE_mtrand_res53 (F_RANDDESC *r)
	[0,1)区間内の実数値の擬似乱数を53-bit resolutionで生成します

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関数