PLplot
5.10.0
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00001 // 00002 // A C-program for MT19937, with initialization improved 2002/1/26. 00003 // Coded by Takuji Nishimura and Makoto Matsumoto. 00004 // 00005 // Before using, initialize the state by using init_genrand(seed) 00006 // or init_by_array(init_key, key_length). 00007 // 00008 // Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, 00009 // All rights reserved. 00010 // Copyright (C) 2005, Mutsuo Saito 00011 // All rights reserved. 00012 // 00013 // Redistribution and use in source and binary forms, with or without 00014 // modification, are permitted provided that the following conditions 00015 // are met: 00016 // 00017 // 1. Redistributions of source code must retain the above copyright 00018 // notice, this list of conditions and the following disclaimer. 00019 // 00020 // 2. Redistributions in binary form must reproduce the above copyright 00021 // notice, this list of conditions and the following disclaimer in the 00022 // documentation and/or other materials provided with the distribution. 00023 // 00024 // 3. The names of its contributors may not be used to endorse or promote 00025 // products derived from this software without specific prior written 00026 // permission. 00027 // 00028 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00029 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00030 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00031 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 00032 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00033 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00034 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00035 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00036 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00037 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00038 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00039 // 00040 // 00041 // Any feedback is very welcome. 00042 // http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html 00043 // email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space) 00044 // 00045 00046 // initializes mt[N] with a seed 00047 void init_genrand( unsigned long s ); 00048 00049 // initialize by an array with array-length 00050 // init_key is the array for initializing keys 00051 // key_length is its length 00052 // slight change for C++, 2004/2/26 00053 void init_by_array( unsigned long init_key[], int key_length ); 00054 00055 // generates a random number on [0,0xffffffff]-interval 00056 unsigned long genrand_int32( void ); 00057 00058 // generates a random number on [0,0x7fffffff]-interval 00059 long genrand_int31( void ); 00060 00061 // These real versions are due to Isaku Wada, 2002/01/09 added 00062 // generates a random number on [0,1]-real-interval 00063 double genrand_real1( void ); 00064 00065 // generates a random number on [0,1)-real-interval 00066 double genrand_real2( void ); 00067 00068 // generates a random number on (0,1)-real-interval 00069 double genrand_real3( void ); 00070 00071 // generates a random number on [0,1) with 53-bit resolution 00072 double genrand_res53( void );