[mesa-users] lnd_offset

Matthew Clayton matthew.clayton at exeter.ox.ac.uk
Thu Sep 22 13:00:34 EDT 2016

Hi Bill,

Thanks for sorting that out.


From: Bill Paxton [paxton at kitp.ucsb.edu]
Sent: 22 September 2016 17:44
To: Matthew Clayton
Cc: mesa-users at lists.sourceforge.net
Subject: Re: [mesa-users] lnd_offset

Hi Matthew,

This is yet another example of why comments in code are a bad thing. ;)

The relic mention of "lnd_offset" is a left over from a brief unproductive episode long ago.

As you discovered, there is no "lnd_offset" in the current system, just a bogus comment.

I'll go delete that now -- perhaps I should just delete all comments?


On Sep 22, 2016, at 7:27 AM, Matthew Clayton wrote:

Hi there,

I'm using structure variables from s%xh(index, cell_number). The indices for this array are first defined in star/public/star_data.inc which defines the density index as

    integer :: i_lnd ! ln(cell density average by mass) + lnd_offset to keep value > 1

which implies that any values I get from s%xh( s%i_lnd, cell_number) will be offset by this value lnd_offset. A quick grep of the mesa directory doesn't turn up any other references to lnd_offset. Is this actually in use? If so, how do I find out what it is?


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