Use DeviceBuffer<RVec> in GPU force reduction and PME code

[alexxy/gromacs.git] / src / gromacs / ewald / pme_gpu.cpp

diff --git a/src/gromacs/ewald/pme_gpu.cpp b/src/gromacs/ewald/pme_gpu.cpp
index e0c32e207d1b46edcf1365c6750581f980c013d3..225fb1050a281a33cfc3cff9bec8dea32d03e7b9 100644 (file)
--- a/src/gromacs/ewald/pme_gpu.cpp
+++ b/src/gromacs/ewald/pme_gpu.cpp
@@ -440,11 +440,11 @@ void pme_gpu_reinit_computation(const gmx_pme_t* pme, gmx_wallcycle* wcycle)
     wallcycle_stop(wcycle, ewcLAUNCH_GPU);
 }
 
-void* pme_gpu_get_device_f(const gmx_pme_t* pme)
+DeviceBuffer<gmx::RVec> pme_gpu_get_device_f(const gmx_pme_t* pme)
 {
     if (!pme || !pme_gpu_active(pme))
     {
-        return nullptr;
+        return DeviceBuffer<gmx::RVec>{};
     }
     return pme_gpu_get_kernelparam_forces(pme->gpu);
 }