Reduce more things

[albinahlback]

• Reduce inclusions in acb_dft.h
• Remove test-function only acb_vec_printd_index from acb_dft.h
• Merge elliptic wrappers in acb_modular
• Merge randomisation in nmod_mat
• Reduce inclusions in arb_fmpz_poly.h
• Reduce inclusions in arb_hypgeom.h
• Remove d_mat.h inclusion in fmpz_mat.h. The three functions that requires d_mat.h will now require d_mat.h to be loaded first. (I can remove this one. I just think d_mat.h is quite unnused.)
• Cleanup fmpz_mat.h, fmpq_mat.h and nmod_vec.h
• Create a template header src/dev/arb_mat_templates.h to generate some boiler plate Arb matrix functions.

Two notes on the last point. First, I believe it was a function or two now changed the looping bounds from the output matrix's rows and columns to the input matrix's rows and columns. Second, in acb_mat_conjugate it previously aborted if output and input dimensions did not agree -- I removed this as it is neither documented, nor does it agree with similar code (I suppose this was a leftover from the transpose-conjugate or something).

[fredrik-johansson]

Hmm, not really a fan of the templates.

Edit: I'm maybe fine with this if the template macros are defined immediately before use in templates.c itself. Otherwise, I'll risk having flashbacks from dealing with nonlocal code in fq and lll.

What I'd actually like to do with the arb_mat and acb_mat modules is make sure gr_mat has all the functionality and then just have thin wrappers, which could be autogenerated.

[albinahlback]

Hmm, not really a fan of the templates.

Edit: I'm maybe fine with this if the template macros are defined immediately before use in templates.c itself. Otherwise, I'll risk having flashbacks from dealing with nonlocal code in fq and lll.

What I'd actually like to do with the arb_mat and acb_mat modules is make sure gr_mat has all the functionality and then just have thin wrappers, which could be autogenerated.

Hmm, I'm also fine with reverting the commit. Do I understand you correct in that I should just copypasta the things in dev/arb_mat_templates.h into templates.c to then remove said header?

[fredrik-johansson]

Hmm, not really a fan of the templates. Edit: I'm maybe fine with this if the template macros are defined immediately before use in templates.c itself. Otherwise, I'll risk having flashbacks from dealing with nonlocal code in fq and lll. What I'd actually like to do with the arb_mat and acb_mat modules is make sure gr_mat has all the functionality and then just have thin wrappers, which could be autogenerated.

Hmm, I'm also fine with reverting the commit. Do I understand you correct in that I should just copypasta the things in dev/arb_mat_templates.h into templates.c to then remove said header?

Yes.