include/xbt/RngStream.h

   1 /* Copyright (c) 2012-2019. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 /* RngStream.h for ANSI C */
   7 #ifndef RNGSTREAM_H
   8 #define RNGSTREAM_H
   9
  10 #include <xbt/misc.h>
  11
  12 typedef struct RngStream_InfoState * RngStream;
  13
  14 struct RngStream_InfoState {
  15    double Cg[6];
  16    double Bg[6];
  17    double Ig[6];
  18    int Anti;
  19    int IncPrec;
  20    char *name;
  21 };
  22
  23 SG_BEGIN_DECL();
  24
  25 XBT_PUBLIC int RngStream_SetPackageSeed(unsigned long seed[6]);
  26 XBT_PUBLIC RngStream RngStream_CreateStream(const char name[]);
  27 XBT_PUBLIC void RngStream_DeleteStream(RngStream* pg);
  28 XBT_PUBLIC RngStream RngStream_CopyStream(const RngStream src);
  29 XBT_PUBLIC void RngStream_ResetStartStream(RngStream g);
  30 XBT_PUBLIC void RngStream_ResetStartSubstream(RngStream g);
  31 XBT_PUBLIC void RngStream_ResetNextSubstream(RngStream g);
  32 XBT_PUBLIC void RngStream_SetAntithetic(RngStream g, int a);
  33 XBT_PUBLIC void RngStream_IncreasedPrecis(RngStream g, int incp);
  34 XBT_PUBLIC int RngStream_SetSeed(RngStream g, unsigned long seed[6]);
  35 XBT_PUBLIC void RngStream_AdvanceState(RngStream g, long e, long c);
  36 XBT_PUBLIC void RngStream_GetState(RngStream g, unsigned long seed[6]);
  37 XBT_PUBLIC void RngStream_WriteState(RngStream g);
  38 XBT_PUBLIC void RngStream_WriteStateFull(RngStream g);
  39 XBT_PUBLIC double RngStream_RandU01(RngStream g);
  40 XBT_PUBLIC int RngStream_RandInt(RngStream g, int i, int j);
  41
  42 SG_END_DECL();
  43
  44 #endif
  45
  46