[Carpet] weight is initialised differently with use_grid_structure_from_checkpoint feature turned on

[Thomas Radke]

Erik Schnetter wrote:
> My patch changed things to that, after recovery, the postregrid bin  is 
> run for all time levels.  This should initialise the weight (and  all 
> other such grid functions with time levels) correctly.  I checked  with 
> Bruno's parameter file, and it works now correctly for me.
> 
> I asked Bruno to check whether this solves his problem.  Is there is  a 
> problem left over which I did not catch?

Me and Bruno still get different values in the norms output, even with 
your patch "Carpet: Correct regridding error during recovery":

-----------------------------------------------
Iteration      Time |              WAVETOY::phi
                     |      minimum      maximum
-----------------------------------------------
         0     0.000 | 5.148200e-131    1.0000000
         2     0.013 | 1.911264e-129    0.9546901
         4     0.025 | 1.911264e-129    0.8269434
         6     0.038 | 5.148200e-131    0.6344523
         8     0.050 | 1.911264e-129    0.4025289
INFO (CarpetIOHDF5): 
---------------------------------------------------------
INFO (CarpetIOHDF5): Dumping periodic checkpoint at iteration 10
INFO (CarpetIOHDF5): 
---------------------------------------------------------
        10     0.062 | 1.911264e-129    0.2270863
        12     0.075 |   -0.0612573    0.1708641
        14     0.088 |   -0.2422768    0.1463710
        16     0.100 |   -0.3695742    0.1316048
        18     0.113 |   -0.4399535    0.1213182

and after recovery:

-----------------------------------------------
Iteration      Time |              WAVETOY::phi
                     |      minimum      maximum
-----------------------------------------------
        10     0.062 |   -0.0000240    0.2273715
        12     0.075 |   -0.0612573    0.1711740
        14     0.088 |   -0.2422768    0.1466212
        16     0.100 |   -0.3695742    0.1320648
        18     0.113 |   -0.4399535    0.1217312

-- 
Cheers, Thomas.