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https://github.com/kichikuou/xsystem35-sdl2.git
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101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/*
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* Math.c 汎用数学関数？ OnlyYou -リ・クスル他
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: Math.c,v 1.3 2001/11/29 11:21:44 chikama Exp $ */
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#include "config.h"
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#include <stdio.h>
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#include "portab.h"
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#include "system.h"
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#include "xsystem35.h"
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#include "modules.h"
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#include "nact.h"
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#include "randMT.h"
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static int numtblmax;
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static void RandMTInit() {
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/*
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(おそらく Mersenne Twister使用の) 乱数初期化
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p1: 初期化用 seed
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*/
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int p1 = getCaliValue(); /* ITimer */
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TRACE("Math.RandMTInit %d:", p1);
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}
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static void RandMTGet() {
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/*
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1 から num までの乱数を生成
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num: 最大値
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var: 結果を返す変数
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*/
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int num = getCaliValue();
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int *var = getCaliVariable();
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if (num == 0 || num == 1) {
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*var = num;
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} else {
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*var = (int)(genrand() * num) + 1;
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}
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TRACE("Math.RandMTGet %d,%p:", num, var);
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}
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static void RandMTMakeNumTable() {
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/*
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乱数テーブルの最大値を設定
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p1: 最大値
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*/
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int p1 = getCaliValue();
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numtblmax = p1;
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TRACE("Math.RandMTMakeNumTable %d:", p1);
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}
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static void RandMTGetNumTable() {
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/*
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乱数テーブルから値を取得
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var: 乱数を格納する変数
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*/
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int *var = getCaliVariable();
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*var = (int)(genrand() * numtblmax) + 1;
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TRACE("Math.RandMTGetNumTable %d:", *var);
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}
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static const ModuleFunc functions[] = {
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{"RandMTGet", RandMTGet},
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{"RandMTGetNumTable", RandMTGetNumTable},
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{"RandMTInit", RandMTInit},
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{"RandMTMakeNumTable", RandMTMakeNumTable},
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};
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const Module module_Math = {"Math", functions, sizeof(functions) / sizeof(ModuleFunc)};
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