[task #16222] Arithmetic operators to convert areas for example mag/arcsec2 to counts/pix

[Mohammad Akhlaghi]

Follow-up Comment #3, task #16222 (project gnuastro):

Thanks for your interest in this task Bharat.

These generic operators are defined in the
[https://www.gnu.org/software/gnuastro/manual/html_node/Arithmetic-on-datasets.html
Arithmetic library], you can see its source in
[https://git.savannah.gnu.org/cgit/gnuastro.git/tree/lib/arithmetic.c
lib/arithmetic.c]. The 'astarithmetic' executable (in 'bin/arithmetic', simply
calls the Arithmetic library for many operations, including the unit
conversion ones).

Within the Arithmetic library, you will see that the unit conversion operators
have some special wrapper functions (like 'arithmetic_counts_to_from_sb',
which actually call the functions within the Gnuastro units library (starting
with 'gal_units_*'). I hope this helps ;-).


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