src/gromacs/mdlib/lincs_cuda_impl.cpp

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  35 /*! \internal \file
  36  *
  37  * \brief May be used to implement LINCS CUDA interfaces for non-GPU builds.
  38  *
  39  * Currently, reports and exits if any of the interfaces are called.
  40  * May replace CPU LINCS module in future. Currently used to satisfy
  41  * compiler on systems, where CUDA is not available.
  42  *
  43  * \author Artem Zhmurov <zhmurov@gmail.com>
  44  *
  45  * \ingroup module_mdlib
  46  */
  47 #include "gmxpre.h"
  48
  49 #include "config.h"
  50
  51 #include "gromacs/mdlib/lincs_cuda.h"
  52
  53 #if GMX_GPU != GMX_GPU_CUDA
  54
  55 namespace gmx
  56 {
  57
  58 /*!\brief Impl class stub.*/
  59 class LincsCuda::Impl
  60 {
  61 };
  62
  63 /*!\brief Constructor stub.*/
  64 LincsCuda::LincsCuda(gmx_unused int numAtoms,
  65                      gmx_unused int numIterations,
  66                      gmx_unused int expansionOrder)
  67     : impl_(nullptr)
  68 {
  69     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
  70 }
  71
  72 LincsCuda::~LincsCuda() = default;
  73
  74 /*!\brief Apply LINCS stub.*/
  75 void LincsCuda::apply(gmx_unused const bool  updateVelocities,
  76                       gmx_unused const real  invdt,
  77                       gmx_unused const bool  computeVirial,
  78                       gmx_unused tensor      virialScaled)
  79 {
  80     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
  81 }
  82
  83 /*!\brief Set data structures stub.*/
  84 void LincsCuda::set(gmx_unused const t_idef    &idef,
  85                     gmx_unused const t_mdatoms &md)
  86 {
  87     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
  88 }
  89
  90 /*!\brief Set PBC stub.*/
  91 void LincsCuda::setPbc(gmx_unused const t_pbc *pbc)
  92 {
  93     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
  94 }
  95
  96 /*! \brief Copy coordinates from provided CPU location to GPU stub.*/
  97 void LincsCuda::copyCoordinatesToGpu(gmx_unused const rvec *h_x, gmx_unused const rvec *h_xp)
  98 {
  99     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
 100 }
 101
 102 /*! \brief Copy velocities from provided CPU location to GPU stub.*/
 103 void LincsCuda::copyVelocitiesToGpu(gmx_unused const rvec *h_v)
 104 {
 105     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
 106 }
 107
 108 /*! \brief Copy coordinates from GPU to provided CPU location stub.*/
 109 void LincsCuda::copyCoordinatesFromGpu(gmx_unused rvec *h_xp)
 110 {
 111     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
 112 }
 113
 114 /*! \brief Copy velocities from GPU to provided CPU location stub.*/
 115 void LincsCuda::copyVelocitiesFromGpu(gmx_unused rvec *h_v)
 116 {
 117     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
 118 }
 119
 120 /*! \brief Set the internal GPU-memory d_x, d_xprime and d_v pointers stub.*/
 121 void LincsCuda::setXVPointers(gmx_unused rvec *d_x, gmx_unused rvec *d_xp, gmx_unused rvec *d_v)
 122 {
 123     GMX_ASSERT(false, "A CPU stub for LINCS was called insted of the correct implementation.");
 124 }
 125
 126 }      // namespace gmx
 127
 128 #endif /* GMX_GPU != GMX_GPU_CUDA */