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/*
* Math.c 汎用数学関数？ OnlyYou -リ・クスル他
*
* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
* 1998- <masaki-c@is.aist-nara.ac.jp>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* $Id: Math.c,v 1.3 2001/11/29 11:21:44 chikama Exp $ */
#include "config.h"
#include <stdio.h>
#include "portab.h"
#include "system.h"
#include "xsystem35.h"
#include "modules.h"
#include "nact.h"
#include "randMT.h"
static int numtblmax;
static void RandMTInit() {
/*
(おそらく Mersenne Twister使用の) 乱数初期化
p1: 初期化用 seed
*/
int p1 = getCaliValue(); /* ITimer */
TRACE("Math.RandMTInit %d:", p1);
}
static void RandMTGet() {
/*
1 から num までの乱数を生成
num: 最大値
var: 結果を返す変数
*/
int num = getCaliValue();
int *var = getCaliVariable();
if (num == 0 || num == 1) {
*var = num;
} else {
*var = (int)(genrand() * num) + 1;
}
TRACE("Math.RandMTGet %d,%p:", num, var);
}
static void RandMTMakeNumTable() {
/*
乱数テーブルの最大値を設定
p1: 最大値
*/
int p1 = getCaliValue();
numtblmax = p1;
TRACE("Math.RandMTMakeNumTable %d:", p1);
}
static void RandMTGetNumTable() {
/*
乱数テーブルから値を取得
var: 乱数を格納する変数
*/
int *var = getCaliVariable();
*var = (int)(genrand() * numtblmax) + 1;
TRACE("Math.RandMTGetNumTable %d:", *var);
}
static const ModuleFunc functions[] = {
{"RandMTGet", RandMTGet},
{"RandMTGetNumTable", RandMTGetNumTable},
{"RandMTInit", RandMTInit},
{"RandMTMakeNumTable", RandMTMakeNumTable},
};
const Module module_Math = {"Math", functions, sizeof(functions) / sizeof(ModuleFunc)};
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