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File indexing completed on 2025-09-14 08:50:58
0001 //------------------------------- -*- C++ -*- -------------------------------// 0002 // Copyright Celeritas contributors: see top-level COPYRIGHT file for details 0003 // SPDX-License-Identifier: (Apache-2.0 OR MIT) 0004 //---------------------------------------------------------------------------// 0005 //! \file corecel/random/distribution/DeltaDistribution.hh 0006 //---------------------------------------------------------------------------// 0007 #pragma once 0008 0009 #include "corecel/Types.hh" 0010 0011 namespace celeritas 0012 { 0013 //---------------------------------------------------------------------------// 0014 /*! 0015 * Distribution where the "sampled" value is just the given value. 0016 */ 0017 template<class T> 0018 class DeltaDistribution 0019 { 0020 public: 0021 //!@{ 0022 //! \name Type aliases 0023 using value_type = T; 0024 //!@} 0025 0026 public: 0027 // Constructor 0028 explicit CELER_FUNCTION DeltaDistribution(value_type value) : value_(value) 0029 { 0030 } 0031 0032 // "Sample" the value 0033 template<class Generator> 0034 CELER_FUNCTION value_type operator()(Generator&) const 0035 { 0036 return value_; 0037 } 0038 0039 private: 0040 value_type value_; 0041 }; 0042 0043 //---------------------------------------------------------------------------// 0044 } // namespace celeritas
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