Improving multisystem propagation

Description

Improving the framework to perform multisystem propagation. Add the support of the Beeman propagator, for both predictor and predictor-corrector versions. Add the support of predictor-corrector propagators Add the synchronization logic Minor changes to the clock_t and linked_list_t objects, to allow this to work Implementation of the different clocks needed for pull and push requests needed to build the interactions

News snippet

Improving the framework to perform multisystem propagation.

Checklist

• I have checked that my code follows the Octopus coding standards
• I have added tests for all the new features added in this request.

changed milestone to %Multisystems

added Core Feature workflowin-progress labels

assigned to @heiko.appel

unassigned @heiko.appel

assigned to @heiko.appel

assigned to @micael.oliveira

added 2 commits

• 7fcf1508 - Remove a variable which is not used at the moment.
• 9ec92f52 - This line was too long.

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added 1 commit

• 2641d2cd - This line was too long.

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Codecov Report

Merging #791 into develop will decrease coverage by 1.78%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop     #791      +/-   ##
===========================================
- Coverage    70.72%   68.93%   -1.79%     
===========================================
  Files          498      498              
  Lines        95282    92383    -2899     
===========================================
- Hits         67385    63688    -3697     
- Misses       27897    28695     +798     

Impacted Files	Coverage Δ
src/basic/alloc_cache_low.cc	2.17% <0.00%> (-95.66%)
src/basic/accel_inc.F90	0.00% <0.00%> (-94.74%)
src/basic/cuda_low.cc	1.40% <0.00%> (-91.86%)
src/basic/alloc_cache.F90	0.00% <0.00%> (-88.89%)
src/math/accel_blas_inc.F90	0.00% <0.00%> (-79.04%)
src/states/density_inc.F90	31.48% <0.00%> (-68.52%)
src/grid/batch_ops.F90	33.33% <0.00%> (-63.64%)
src/basic/accel.F90	19.16% <0.00%> (-62.71%)
src/basic/cublas.cc	3.33% <0.00%> (-60.31%)
src/grid/subarray_inc.F90	54.76% <0.00%> (-45.24%)
... and 392 more

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Codecov Report

Merging #791 into develop will increase coverage by 0.03%. The diff coverage is 81.98%.

@@             Coverage Diff             @@
##           develop     #791      +/-   ##
===========================================
+ Coverage    70.65%   70.69%   +0.03%     
===========================================
  Files          499      501       +2     
  Lines        95422    95664     +242     
===========================================
+ Hits         67417    67626     +209     
- Misses       28005    28038      +33     

Impacted Files	Coverage Δ
src/basic/linked_list.F90	100.00% <ø> (ø)
src/system/celestial_body.F90	93.87% <ø> (+1.52%)
src/system/quantity.F90	0.00% <0.00%> (ø)
src/system/system_abst.F90	86.79% <ø> (+18.93%)
src/system/propagator_abst.F90	70.00% <46.87%> (ø)
src/td/propagator_beeman.F90	80.76% <80.76%> (ø)
src/system/interaction_gravity.F90	89.47% <86.36%> (-10.53%)
src/basic/clock.F90	94.59% <100.00%> (+0.25%)
src/main/test.F90	95.77% <100.00%> (+0.15%)
src/system/interaction_abst.F90	100.00% <100.00%> (ø)
... and 7 more

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mentioned in merge request !794 (merged)