eic-opticks/sysrap/SCurandStateMonolithic.hh

0001 #pragma once
0002 /**
0003 SCurandStateMonolithic.hh
0004 ==========================
0005
0006 See also qudarap/QCurandState.hh
0007
0008
0009 **/
0010
0011 #include <string>
0012 #include "plog/Severity.h"
0013 #include "SYSRAP_API_EXPORT.hh"
0014
0015 struct SYSRAP_API SCurandStateMonolithic
0016 {
0017     typedef unsigned long long ULL ;
0018     static constexpr const ULL M = 1000000ull ;
0019
0020     static const plog::Severity LEVEL ;
0021     static const char* RNGDIR ;
0022     static const char* NAME_PREFIX ;
0023     static const char* DEFAULT_PATH ;
0024
0025     static std::string Desc() ;
0026     static const char* Path() ;
0027     static std::string Stem_(ULL num, ULL seed, ULL offset);
0028     static std::string Path_(ULL num, ULL seed, ULL offset);
0029     static long RngMax() ;
0030     static long RngMax(const char* path) ;
0031
0032
0033     SCurandStateMonolithic(const char* spec);
0034     SCurandStateMonolithic(ULL num, ULL seed, ULL offset) ;
0035     void init();
0036
0037     std::string desc() const ;
0038
0039     const char* spec ;
0040     ULL num    ;
0041     ULL seed   ;
0042     ULL offset ;
0043     std::string path ;
0044     bool exists ;
0045     long rngmax ;
0046
0047 };
0048
0049
0050