Michael Zingale comments

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                                            Michael Zingale

add an option for cubic interp of the initial model

this requires #2664 to work correctly

create an API for updating runtime parameters

these were found using #2702

add geometric source terms to the PPM tracing

test suite diffs are about as expected: http://groot.astro.sunysb.edu/Castro/test-suite/gfortran/2024-07-26-001/index.html

add geometric source terms to the PPM tracing

this seems to cause problems with the massive_star setup after only 24 steps.

add geometric source terms to the PPM tracing

I have the pressure source wrong

add geometric source terms to the PPM tracing

updated tests with this PR, after fixing the pressure source: http://groot.astro.sunysb.edu/Castro/test-suite/gfortran/2024-07-27-003/index.html

add geometric source terms to the PPM tracing

Here's a comparison of `flame_wave` run for > 90,000 steps with this PR and development: development: ![flame_wave_1000Hz_25cm_smallplt95305_slice_development](https://github.com/user-attachments/assets/b938b2cd-2647-48c4-b8e7-b6c65180837a) this PR: ![flame_wave_1000Hz_25cm_smallplt96452_slice_tracing](https://github.com/user-attachments/assets/332bbfb0-05da-4005-b06f-f18b1938d5c6)

add geometric source terms to the PPM tracing

Here's a massive star comparison: development: ![all_massive_star_smallplt12034_w0 10_development](https://github.com/user-attachments/assets/e554cafe-0518-4f9f-93e6-7fe46502e3ec) tracing: ![all_massive_star_smallplt12034_w0 10_tracing](https://github.com/user-attachments/assets/472b3085-910d-4c8b-85ef-ff5ec0f8854d)

gpu running slower than cpu for subchandra problem

I think that this has been sorted out now

[WIP] add renomalization after the update

this requires #2586