Pseudo-random neutrino velocity #98
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fastpm_store_write already support "r" mode for reading. fastpm_store_read is just an alias. I think we shall eventually refactor the routines in io.c to a FastPMSerializer object, which does read, write, append, and read_header, write_header. What we have now is likely good enough for now.
Tested that restarted run has identical velocity dispersion every step, when the restarted snapshot is exactly on a time step. There is still a glitch that after restart we immediately write an output.
Abacus has no radiation in background, so cannot use the FD formulations because Omega_ncdm ~ Omega_gamma.
Potential fix for #92.
Move the memory allocation around accordingly
This reverts commit b0f8446.
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I did a complicated rebase where I essentially just copied over the new code whenever there was a conflict, so looking through all the history may not be meaningful. Relevant final commit before rebase is already changed nn to every in lua, but now change fastpm.c |
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This work is unfinished from one year ago, but wanted to push it so that it wasn't lost in case we decide to develop it further.