votca / csg

Coarse-graining potentials from atomistic references made easy

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FMatch gets different results in development

JensWehner opened this issue · comments

commented

@JensWehner can you have a look at this?

commented

@junghans I am on holiday for the next two weeks. Afterwards okay?

Sure, no worries.

commented

So the fmatch discrepancies come from the different accuracy of the read in trajectories.

The old trajectories had 9 digits for forces
The new ones have 6
Due to the unit conversion I could not exactly reproduce that. But with 9 digits precision in the forces I got changes of the same magnitude as shown before.

I cannot completely rule out, that fmatch was changed, but I think that the difference is due to the file parser and not some internal changes.

Can we update our test case to use 9 digits for the forces?