the difference is quite pronounced

* insert line number nodes for better stack traces

* add ref test srhd_simple_wave_avmda

* undo some code deletion

* special case FV method on entropy production computation

* init EP for all setups

* add entropy tci computation that can work with precomputed entropy production

* add entropy viscosity computation that can work with precomputed entropy production

* compute entropy production in equation callback

* add ref test srhd_simple_wave_fv

reset ref data for srhd_simple_wave_fv

* update ref test

increase resolution ref test

increase tol for ref test and lower resolution

* add ref test srhd_simple_wave_fv

* implement FV version for SRHD eqs

* simplify timestep computation

* initial data setup functions need to take a mesh

* fixup speed computation burgers eq

* fix upload logic for diffoutput uploading

* update ref test data

* migrate all implementations to use new broadcasting interface

* evict broadcast_volume_2!

* remove cons2prim unit test

* add srhd_simple_wave.toml

* update ref test burger_sine_aventropy

* undo experiments in ev.jl

* undo changes to advection_sine ref test

* fix up entropy production computation

* fix entropy variables computation according to formulae from EFL and EHL papers

* WIP

* make AV regularization run

* disable conservative fixing as it causes wrong results in srhd_smooth test; update ref test data

* evict old broadcasting interface

* define entropy variables for polytrope

* compute fluxes after interpolating bdry data

* optimize mda computation

* fix ramping function for mda

* enable conservative_fixing every to make ref tests pass -- however, ref test restults don't look correct

update srhd_smooth ref test data

* move cons2prim in rhs down

* use only D as HRSC indicator

* fix simple wave initial data and disable conservative fixing as it
kills the simple wave propagation

* make bdry conditions work for shock tube test

* document print_idxs for @with_signature

* add mda_n_low, mda_n_high parameters that allow to control the truncation interval for the MDA heuristic

* fix logic in combining mda indicators from multiple vars

* enable TCIs for SRHD

* SRHD: allow to compute MDA AV from multiple vars and combine them with a max function

* SRHD: make srhd_smooth test run with AV (though not perfect)

* SRHD: add ldg_nflux

* update ref test srhd_smooth

* add more srhd parfiles

* split conservative fixing from cons2prim; fixup cons2prim so that symmetric shock tubes are actually symmetric

* update 0th order smoother

* compute viscosity for initial data

* use mix of conserved and primitives for flux computation

* cleanup equations

* cleanup cons2prim

* implement av entropy for 1d eq -- wip

* utilize kastaun cons2prim in llf

* remove cons2prim_insane and friends

* fix type instability in cons2prim caused by infamous closure bug

fixup cons2prim

* add Kastaun's cons2prim with conservative fixing

* rename variables

* remove comment

* convert llf to use new broadcasting interface

* convert cons2prim to new broadcasting

* convert entropy_variables, but it is todo

* remove unused

* convert flux to new broadcast interface

* convert speed to new broadcast interface

* clean up module file

* update euler_isentropic_flow ref test to use interpolate_aligned_ts

* reorganize testconfig.toml

* update advection_sine_glgl ref test to use interpolate_aligned_ts

* update advection2d_bump_threshold ref test to use aligned_ts

* remove unused toml files

* fix testparfiles to not list global options

* update heateq_sine ref test to use aligned_ts

* update burgers2d_gaussian_entropyav ref test to use aligned_ts

* update burgers2d_gaussian ref test to use aligned_ts

* update srhd_smooth ref test to use aligned_ts

* update euler_isentropic_flow ref test to use aligned_ts

* update advection2d_sine ref test to use aligned_ts

* update fv_euler_isentropic_flow ref test to use aligned_ts

update output.h5

* fixup success check

* add interpolate.h5 output for heateq_gaussian ref test

* use aligned_ts for heateq_gaussian ref test

* update ref test advection_sine to include interpolate.h5 output

* upgrade IntegrationTests to also compare interpolate.h5 outputs (if available)

* remove whitespaces

* use mktempdir instead of custom mockdir gymnastics

* trigger a TimeAlignedCB also when t+dt == next_t

* InterpolationCallback can only interpolate fields that are registered as dynamic, static or rhs

* add check for registered variable in get_variable

* add a few @inline decorations

* add isregistered method to cache and variablesdict types

* throw proper error message when unregistered variable is requested

* add test for InterpolationCallback

* fixup callback interface docs

* enable interpolation options of Output parameter section

* add parameters for interpolation output

* fixup InterpolatioCallback

* Invocation of CallbackSet should report the call status

I think initially the return value of all callbacks was meant
to indicate whether that callback was actually called.
I think what we need now is that callbacks return their status,
e.g. whether they failed or not.

* remove superfluous Base.show overloads

* add InterpolationCallback

use refactored meshinterpolator

* introduce AbstractSaveCallback

* update tests

* evict old plot functionality

evict remainders

* update dg1dTests manifest

* refactor MeshInterpolator to accept arrays for interpolation

* use ranges to construct the cells' extends, because they ensure that the endpoints are preserved

* add sod_shock_tube examples

* add examples mono and navier-stokes regularization of euler_isentropic_flow problem

* remove dead code

* update ref test burgers_sine_aventropy

* undo deletion

* remove dead code

* beautify log details when unequal number of output times is encountered

* refactor printing of failed test details

* im in a rush

* fix ref test log info

* remove unused var

* revert callbacks

* add invalid assertion in glgl integration method

* remove bernsteining from AV regularization

* add 0th order smoother

* remove lower threshold on entropy av

* wip -- tinker with applying Bernsteining to the LDG variables

* also forward project to rhs

* remove unnecessary computations from callback

* put lower threshold on entropy AV

* inline bernsteining workhorse

* use inplace ops for entropy TCI

* add ref test fv_euler_isentropic_flow

* fixup hrsc initialization for EulerEq

* fix args for Project constructor

* update deps; put compat bound on PrettyTables.jl

* add ref test euler_isentropic_flow_regulate-ns -- disabled for now

* add dispatch for av regularization in rhs!; wip implementation of new regularizations

* add a namedtuple for parameters to Project struct

* fix call to broadcast in callbacks.jl

* add av_regularization parameter

* dispatch TODO on Symbol

* IntegrationTests: print Inf norm if mismatch is found

* update refdata burgers_sine_avmda

* update refdata burgers_sine_avdb

* update refdata burgers_sine_aventropy

* update refdata burgers_sine_avtci

* fixup constructor call

* more examples

* update output times; fixup gitignore

* utilize Sandbox to parse expressions from parfiles

* fixup ScalarEq bump initial data

* add examples folder with parfiles that are not ref tested

* specialize timestep for AV scheme

* implement 1st order fd approx for derivative of regularization term

* enable callbacks

* add prms field to ScalarEq's project struct

also add av_derivative_scheme parameter to ScalarEq project
to be used subsequentely

* simplify dispatch of rhs!

* update some ref tests

- euler_isentropic_flow
- euler_sod_shock_tube_bernstein
needed because previously we employed a timestep that was too large,
because it only used the local cell width but not the smallest grid
spacing

* add ref test for FV euler sod shock tube

* update ScalarEq so that FV version can use non-periodic bdry conditions

* implement FV method for Euler equation

- also refactor timestep to work with DG and FV elements
- also refactored fv_update_step! methods to now accept buffers for bdry
  values

* remove more Riemann solver stuff

* remove non-existent export

* evict riemannsolver.jl and broadcast_[volume,faces,bdry]!

* evict Riemann solver related stuff from SRHD

* evict Riemann solver related stuff from EulerEq

* evict Riemann solver related stuff from ScalarEq

* convert all in EulerEq

remove unrelated file

* convert all in ScalarEq

* re-enable srhd_smooth test

update srhd_smooth reftest

* evict old broadcasting methods

Add a finite volume method for ScalarEq

See merge request !75

* add reftest fv_advection_sine

* migrate all of ScalarEq to use broadcast_*_2! methods

* add isperiodic method for meshes

* fix grid spacing computation for SpectralElement

* fixup parametric types to subtype Mesh1d/2d

* make TODO error more comprehensive

* fixup cfl usage; add abstractions for min grid spacing

* enable add mesh kwarg to Evolution setup in order to enable FV evolution

* add timestep! and rhs! for FVElement

* do away with the State(...) syntax

* add docs to dg_rhs methods

* add FV stepper

* limit dg_rhs.jl methods to Meshes with SpectralElement

* add mesh kwarg to Evolution so that we can use a spearate stepper based on mesh type

* add a scheme parameter to Mesh

* add FVElement type

Refactor CFL parameter usage

See merge request !74

* fix tests

* remove an unreachable check

can't be reached, because a error would be thrown earlier
when multiplying a number with nothing

* remove cfl field from Evolution struct

* move cfl parameter from Mesh to Evolution section

also update all reftest parfiles

* remove CFL field from Mesh

* apply CFL factor in evolve loop and not inside projects

call the right interpolator for HRSC/smoother.jl

See merge request !73

* call the right interpolator

Allow dispatch on second argument

See merge request !72

* enable mesh argument in broadcasting methods

* remove debug statement

* fix docs

* add unit test

* disable euler_sod_shock_tube_entropyav ref test

* fixup tests

* enable mesh as second arg for legacy mode

make main() accept numbers which correspond to testparfiles() list

See merge request !70