Reimplement constant acceleration groups

[alexxy/gromacs.git] / src / gromacs / mdrun / runner.cpp

diff --git a/src/gromacs/mdrun/runner.cpp b/src/gromacs/mdrun/runner.cpp
index 43551e0fdf4891d03ccacaca0ac9b4c66998d012..313b4ebb3409d37d90631281a3121e7e7a661bec 100644 (file)
--- a/src/gromacs/mdrun/runner.cpp
+++ b/src/gromacs/mdrun/runner.cpp
@@ -970,13 +970,6 @@ int Mdrunner::mdrunner()
     GMX_RELEASE_ASSERT(inputrec != nullptr, "All ranks should have a valid inputrec now");
     partialDeserializedTpr.reset(nullptr);
 
-    GMX_RELEASE_ASSERT(
-            !inputrec->useConstantAcceleration,
-            "Linear acceleration has been removed in GROMACS 2022, and was broken for many years "
-            "before that. Use GROMACS 4.5 or earlier if you need this feature.");
-
-    // Now we decide whether to use the domain decomposition machinery.
-    // Note that this does not necessarily imply actually using multiple domains.
     // Now the number of ranks is known to all ranks, and each knows
     // the inputrec read by the master rank. The ranks can now all run
     // the task-deciding functions and will agree on the result