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RndmEngine.h
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1 /***********************************************************************************\
2 * (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
3 * *
4 * This software is distributed under the terms of the Apache version 2 licence, *
5 * copied verbatim in the file "LICENSE". *
6 * *
7 * In applying this licence, CERN does not waive the privileges and immunities *
8 * granted to it by virtue of its status as an Intergovernmental Organization *
9 * or submit itself to any jurisdiction. *
10 \***********************************************************************************/
11 //====================================================================
12 // Random Engine definition
13 //--------------------------------------------------------------------
14 //
15 // Package : Gaudi/RndmGenSvc ( The LHCb Offline System)
16 // Author : M.Frank
17 //====================================================================
18 #pragma once
19 
20 // STL include files
21 #include <vector>
22 
23 // Framework include files
25 #include <GaudiKernel/ISerialize.h>
26 #include <GaudiKernel/Service.h>
27 
51 class RndmEngine : public extends<Service, IRndmEngine, ISerialize> {
52 protected:
54  using extends::extends;
55 
56 public:
58  double rndm() const override;
65  StatusCode rndmArray( std::vector<double>& array, long howmany, long start = 0 ) const override;
70  StreamBuffer& serialize( StreamBuffer& str ) override;
75  StreamBuffer& serialize( StreamBuffer& str ) const override;
76 };
RndmEngine::serialize
StreamBuffer & serialize(StreamBuffer &str) override
Input serialization from stream buffer.
Definition: RndmEngine.cpp:42
Service::start
StatusCode start() override
Definition: Service.cpp:187
StreamBuffer
Definition: StreamBuffer.h:48
IRndmEngine.h
StatusCode
Definition: StatusCode.h:64
ISerialize.h
RndmEngine::rndmArray
StatusCode rndmArray(std::vector< double > &array, long howmany, long start=0) const override
Multiple shots returning vector with flat random numbers.
Definition: RndmEngine.cpp:56
extends
Base class used to extend a class implementing other interfaces.
Definition: extends.h:19
Service.h
Containers::array
struct GAUDI_API array
Parametrisation class for redirection array - like implementation.
Definition: KeyedObjectManager.h:29
RndmEngine::rndm
double rndm() const override
Single shot returning single random number.
Definition: RndmEngine.cpp:48
RndmEngine
Random Generator engine definition.
Definition: RndmEngine.h:51