Scientific notation with D instead of E

[Shane McCarthy]

We are building a repository that to index files generated by Fortran programs.  There are files that use D instead of E for the exponent in scientific notation.  Unfortunately the value is only accepted by solr when it is a string when it is D.  Is there a way to make solr accept a number with the notation using the D as a double?

Shane

[Jared Whiklo]

Hi Shane,

It's been a while since I did any fortran. But it appears that the D
relates to double precision numbers vs the E which are for single
precision numbers.

My guess is going to be that to do this in Solr you'll need to use a
TrieDoubleField. But I've never tried and it is possible that due to
this being a Fortran specific declaration, you will still need to
convert the D -> E. But perhaps in an indexing filter?

cheers,
jared

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Jared Whiklo
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--------------------------------------------------
There is always one more imbecile than you counted on.

[Shane McCarthy]

Hey Jared,

You can even have Q for quadruple precision.  I have only really used Fortran90 so everything was E.  

Thankfully the fellow responsible for the parsing of the output into the xml documents was able to remove the D so the problem was solved that way.

Thanks,

Shane

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