include/xbt/RngStream.h

   1 /* Copyright (c) 2012, 2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 /* RngStream.h for ANSI C */
   8 #ifndef RNGSTREAM_H
   9 #define RNGSTREAM_H
  10
  11 #include "misc.h"
  12
  13 typedef struct RngStream_InfoState * RngStream;
  14
  15 struct RngStream_InfoState {
  16    double Cg[6], Bg[6], Ig[6];
  17    int Anti;
  18    int IncPrec;
  19    char *name;
  20 };
  21
  22 SG_BEGIN_DECL();
  23
  24 XBT_PUBLIC(int) RngStream_SetPackageSeed (unsigned long seed[6]);
  25
  26
  27 XBT_PUBLIC(RngStream) RngStream_CreateStream (const char name[]);
  28
  29
  30 XBT_PUBLIC(void) RngStream_DeleteStream (RngStream *pg);
  31
  32
  33 XBT_PUBLIC(RngStream) RngStream_CopyStream (const RngStream src);
  34
  35
  36 XBT_PUBLIC(void) RngStream_ResetStartStream (RngStream g);
  37
  38
  39 XBT_PUBLIC(void) RngStream_ResetStartSubstream (RngStream g);
  40
  41
  42 XBT_PUBLIC(void) RngStream_ResetNextSubstream (RngStream g);
  43
  44
  45 XBT_PUBLIC(void) RngStream_SetAntithetic (RngStream g, int a);
  46
  47
  48 XBT_PUBLIC(void) RngStream_IncreasedPrecis (RngStream g, int incp);
  49
  50
  51 XBT_PUBLIC(int) RngStream_SetSeed (RngStream g, unsigned long seed[6]);
  52
  53
  54 XBT_PUBLIC(void) RngStream_AdvanceState (RngStream g, long e, long c);
  55
  56
  57 XBT_PUBLIC(void) RngStream_GetState (RngStream g, unsigned long seed[6]);
  58
  59
  60 XBT_PUBLIC(void) RngStream_WriteState (RngStream g);
  61
  62
  63 XBT_PUBLIC(void) RngStream_WriteStateFull (RngStream g);
  64
  65
  66 XBT_PUBLIC(double) RngStream_RandU01 (RngStream g);
  67
  68
  69 XBT_PUBLIC(int) RngStream_RandInt (RngStream g, int i, int j);
  70
  71 SG_END_DECL();
  72
  73 #endif
  74
  75