drand48_r_libgw32c.h Source File

00001 /* Copyright (C) 1995, 1997, 2001 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 /***************************************************************************/
00026 #include <stdlib.h>
00027 #include <stdio.h>
00028 #include <math.h>
00029 #include <float.h>
00030 #include <ieee754.h>
00031 #include <string.h>
00032 
00033 //typedef unsigned long long uint64_t
00034 
00035 typedef signed __int8 sint8;
00036 typedef unsigned __int8 uint8;
00037 typedef signed __int16 sint16;
00038 typedef unsigned __int16 uint16;
00039 typedef signed __int32 sint32;
00040 typedef unsigned __int32 uint32;
00041 typedef signed __int64 sint64;
00042 typedef unsigned __int64 uint64;
00043 
00044 
00052 struct drand48_data
00053 {
00054   unsigned short int __x[3]; /* Current state. */
00055   unsigned short int __old_x[3]; /* Old state. */
00056   unsigned short int __c; /* Additive const. in congruential formula. */
00057   unsigned short int __init; /* Flag for initializing. */
00058   uint64 __a; /* Factor in congruential formula. */
00059 };
00060 
00061 
00062 /* Global state for non-reentrant functions. */
00063 struct drand48_data __libc_drand48_data;
00064 int __drand48_iterate (unsigned short int xsubi[3], struct drand48_data *buffer );
00065 int __erand48_r (unsigned short int xsubi[3],struct drand48_data *buffer, double *result);
00066 int drand48_r (struct drand48_data *buffer, double *result);
00067 int seed48_r (unsigned short int seed16v[3],struct drand48_data *buffer);