Re: YAJL and very precise number

[Jon Paris <jon.paris@xxxxxxxxxxxxxx>]

10x faster if you include the float transform?

Not that it matters that much since your code is not available to the rest of us I guess.


Jon P.

> On Oct 19, 2022, at 6:49 PM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:
>
> continuing...
>
> The performance turned out to be something like 10 times faster than YAJL.
> After calling the parse() procedure you might code something like:
>
> latitude = %float(jsnGetVal('/Lat_WGS84'));
>
>
>
> On Wed, Oct 19, 2022 at 4:45 PM Nathan Andelin <nandelin@xxxxxxxxx> wrote:
>
> > Peter,
> >
> > Looks like Scott provided a solution. With the JSON parser I wrote, I felt
> > that the API would be much simpler if I had only 1 procedure return node
> > values as VARCHAR type, and let the RPG programmer use %float(), %dec(),
> > %int(), etc. to transform it to the appropriate data type. As a bonus, it
> > turned out that it performed something like 1
> >
> > On Wed, Oct 19, 2022 at 7:14 AM Peter Colpaert <peter.colpaert@xxxxxxxxx>
> > wrote:
> >
> > > Hi group,
> > >
> > > I've been tasked with refactoring some API calls from our system to
> > > various
> > > websites and am implementing Scott Klement's excellent YAJLR4 service
> > > program (thanks Scott!)
> > >
> > > However, I'm a bit at a loss as to how I can extract coordinates from a
> > > JSON file I receive.
> > >
> > > More specifically, the latitude and longitude are represented as follows:
> > >
> > >  "Location": {
> > >      "Lat_WGS84": 51.17456057389046,
> > >      "Lon_WGS84": 4.3991863572532086,
> > >      "X_Lambert72": 152128.06,
> > >      "Y_Lambert72": 207173.33
> > >     }
> > >
> > > I can successfully find the Lat_WGS84 and Lon_WGS84 nodes, but I cannot
> > > retrieve the full coordinates.
> > >
> > > If I use yajl_get_string, it returns nothing (of course), but
> > > yajl_get_number is truncated to 9 decimals whereas I need 14.
> > >
> > > I could of course treat the JSON response as a string and simply scan for
> > > the first occurrence of "Location", but that would defeat the purpose of
> > > having YAJL available.
> > >
> > > Any suggestions?
> > >
> > > Thanks in advance.
> > >
> > > Peter
> > >
> > > --
> > >
> > > Peter Colpaert
> > >
> > > Peter.Colpaert@xxxxxxxxx
> > > --
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