Relax PME solving test complex grid tolerance

PME CUDA solving change (Ic610e7f) tightened the output grid
tolerance from 50 down to 16 ULPs, making one of the LJPME tests
fail in post-submit. This change relaxes the tolerance to 40 ULPs.

Change-Id: Icd0c1aff868e2d1ecb76522a1a2174b3156fc356

diff --git a/src/gromacs/ewald/tests/pmesolvetest.cpp b/src/gromacs/ewald/tests/pmesolvetest.cpp
index f561e4ffdeeac7c01f0c27282ad4d2f0dcf7c6d5..da0d84923f943232fd1965a0003c8287f34de28e 100644 (file)
--- a/src/gromacs/ewald/tests/pmesolvetest.cpp
+++ b/src/gromacs/ewald/tests/pmesolvetest.cpp
@@ -159,7 +159,7 @@ class PmeSolveTest : public ::testing::TestWithParam<SolveInputParameters>
                             SparseComplexGridValuesOutput nonZeroGridValuesOutput = pmeGetComplexGrid(pmeSafe.get(), mode.first, gridOrdering.first);
                             /* Transformed grid */
                             TestReferenceChecker          gridValuesChecker(checker.checkCompound("NonZeroGridValues", "ComplexSpaceGrid"));
-                            const auto                    ulpToleranceGrid = 16;
+                            const auto                    ulpToleranceGrid = 40;
                             gridValuesChecker.setDefaultTolerance(relativeToleranceAsUlp(1.0, ulpToleranceGrid));
                             for (const auto &point : nonZeroGridValuesOutput)
                             {