X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=prng.h;fp=prng.h;h=9eb15102f1c71b2497659d085e3a12f4445412c8;hb=0caf3fbabaa3ece404f8ce77f4c883dc5b1bf1dc;hp=0000000000000000000000000000000000000000;hpb=1b73ff67c83892a025e597dabd9df6fe7b58206a;p=mothur.git diff --git a/prng.h b/prng.h new file mode 100644 index 0000000..9eb1510 --- /dev/null +++ b/prng.h @@ -0,0 +1,98 @@ +/* + * prng.h + * + * $Id$ + * + ***************************************************************************** + * + * Copyright (c) 2004, Luke Sheneman + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * + Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + 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. + * + 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. + * + ***************************************************************************** + * + * Some function prototypes for the Mersenne Twister PRNG + * + ***************************************************************************** + * + * AUTHOR: + * + * Luke Sheneman + * sheneman@cs.uidaho.edu + * + */ + + +#ifndef _INC_PRNG_H_ +#define _INC_PRNG_H_ 1 + +#ifdef __cplusplus +extern "C" { +#endif + +#define NJ_RAND_MAX 0x7fffffffUL + + +/* some function prototypes */ +void +init_genrand(unsigned long s); + +void +init_by_array(unsigned long init_key[], + int key_length); + +unsigned long +genrand_int32(void); + +long int +genrand_int31(void); + +double +genrand_real1(void); + +double +genrand_real2(void); + +double +genrand_real3(void); + +double +genrand_res53(void); + +long int +NJ_genrand_int31_top(long int top); + +#ifdef __cplusplus +} +#endif + +#endif /* _INC_PRNG_H_ */ + + + +