00001 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ 00002 /* 00003 A C-program for MT19937, with initialization improved 2002/1/26. 00004 Coded by Takuji Nishimura and Makoto Matsumoto. 00005 00006 Before using, initialize the state by using init_genrand(seed) 00007 or init_by_array(init_key, key_length). 00008 00009 Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, 00010 All rights reserved. 00011 00012 Redistribution and use in source and binary forms, with or without 00013 modification, are permitted provided that the following conditions 00014 are met: 00015 00016 1. Redistributions of source code must retain the above copyright 00017 notice, this list of conditions and the following disclaimer. 00018 00019 2. Redistributions in binary form must reproduce the above copyright 00020 ` notice, this list of conditions and the following disclaimer in the 00021 documentation and/or other materials provided with the distribution. 00022 00023 3. The names of its contributors may not be used to endorse or promote 00024 products derived from this software without specific prior written 00025 permission. 00026 00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00028 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00029 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00030 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 00031 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00032 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00033 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00034 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00035 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00036 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00037 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00038 00039 00040 Any feedback is very welcome. 00041 http://www.math.keio.ac.jp/matumoto/emt.html 00042 email: matumoto@math.keio.ac.jp 00043 */ 00044 00045 /* ==================================================================== 00046 * Copyright (c) 1999-2004 Carnegie Mellon University. All rights 00047 * reserved. 00048 * 00049 * Redistribution and use in source and binary forms, with or without 00050 * modification, are permitted provided that the following conditions 00051 * are met: 00052 * 00053 * 1. Redistributions of source code must retain the above copyright 00054 * notice, this list of conditions and the following disclaimer. 00055 * 00056 * 2. Redistributions in binary form must reproduce the above copyright 00057 * notice, this list of conditions and the following disclaimer in 00058 * the documentation and/or other materials provided with the 00059 * distribution. 00060 * 00061 * This work was supported in part by funding from the Defense Advanced 00062 * Research Projects Agency and the National Science Foundation of the 00063 * United States of America, and the CMU Sphinx Speech Consortium. 00064 * 00065 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 00066 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 00067 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00068 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY 00069 * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00070 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00071 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00072 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00073 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00074 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00075 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00076 * 00077 * ==================================================================== 00078 * 00079 */ 00080 00081 /* 00082 * randgen.c : a portable random generator 00083 * 00084 * 00085 * ********************************************** 00086 * CMU ARPA Speech Project 00087 * 00088 * Copyright (c) 1999 Carnegie Mellon University. 00089 * ALL RIGHTS RESERVED. 00090 * ********************************************** 00091 * 00092 * HISTORY 00093 * $Log: genrand.h,v $ 00094 * Revision 1.3 2005/06/22 03:01:50 arthchan2003 00095 * Added keyword 00096 * 00097 * Revision 1.3 2005/03/30 01:22:48 archan 00098 * Fixed mistakes in last updates. Add 00099 * 00100 * 00101 * 18-Nov-04 ARCHAN (archan@cs.cmu.edu) at Carnegie Mellon University 00102 * First incorporated from the Mersenne Twister Random 00103 * Number Generator package. It was chosen because it is 00104 * in BSD-license and its performance is quite 00105 * reasonable. Of course if you look at the inventors's 00106 * page. This random generator can actually gives 00107 * 19937-bits period. This is already far from we need. 00108 * This will possibly good enough for the next 10 years. 00109 * 00110 * I also downgrade the code a little bit to avoid Sphinx's 00111 * developers misused it. 00112 */ 00113 00114 #ifndef _LIBUTIL_GENRAND_H_ 00115 #define _LIBUTIL_GENRAND_H_ 00116 00117 #define S3_RAND_MAX_INT32 0x7fffffff 00118 #include <stdio.h> 00119 00120 /* Win32/WinCE DLL gunk */ 00121 #include <sphinxbase_export.h> 00122 00132 #ifdef __cplusplus 00133 extern "C" { 00134 #endif 00135 #if 0 00136 /* Fool Emacs. */ 00137 } 00138 #endif 00139 00144 #define s3_rand_seed(s) genrand_seed(s); 00145 #define s3_rand_int31() genrand_int31() 00146 #define s3_rand_real() genrand_real3() 00147 #define s3_rand_res53() genrand_res53() 00148 00152 SPHINXBASE_EXPORT 00153 void genrand_seed(unsigned long s); 00154 00158 SPHINXBASE_EXPORT 00159 long genrand_int31(void); 00160 00164 SPHINXBASE_EXPORT 00165 double genrand_real3(void); 00166 00170 SPHINXBASE_EXPORT 00171 double genrand_res53(void); 00172 00173 #ifdef __cplusplus 00174 } 00175 #endif 00176 00177 #endif /*_LIBUTIL_GENRAND_H_*/ 00178 00179 00180