[Proj] Geo Transfoms and calculations

Eric Miller EMiller at dfg.ca.gov
Tue Dec 30 15:01:14 EST 2008

Well.  That is Gerald's choice.  It doesn't matter to me either way since I'm not in the business of selling software.

>>> On 12/30/2008 at 11:27 AM, Charles Wilson <proj at cwilson.fastmail.fm> wrote:
> Eric Miller wrote:
>> You need only a minor modification to Gerald's libproj4 to compile on
>> windows.  Because Microsoft is lame, their math library does not include
>> atanh (or asinh or acosh). 
>> Since Gerald has since embraced the GSL, maybe we can get him to use
>> the GSL versions of those functions and let the GNU folks handle
>> platform compatibility.
> And what happens when libproj4 is compiled with #define NO_GSL (or
> equivalent) to avoid GPL issues?  How much existing libproj4
> functionality do you want see locked behind that GSL/GPL barrier?
> --
> Chuck
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