Hi Jean Louis - I believe that the problem is fixed now. Steve k9an > On Aug 17, 2016, at 6:08 PM, Steven Franke <s.j.fra...@icloud.com> wrote: > > Jean Louis, > I am aware of the problem. I think that this regression was introduced when > we did a wholesale switch from double to float in wsprd.c. I will fix this, > but it may have to wait til the weekend. > Regards, > Steve k9an > >> On Aug 17, 2016, at 5:48 PM, f5djl <newsl...@f5djl.fr> wrote: >> >> Hi Bill >> >> Totally agree with your analysis but I have so far failed to identify in >> wsprd.c where to make the change ! It must be obvious and I am sure it is >> fixable specially as in 1.6 it was ok according to my tests. I will do a >> compare tomorrow or I am sure Steve will point me to the obvious ! >> >> Best regards >> >> Jean Louis F5DJL >> >> De : Bill Somerville [mailto:g4...@classdesign.com] >> Envoyé : jeudi 18 août 2016 00:35 >> À : wsjt-devel@lists.sourceforge.net >> Objet : Re: [wsjt-devel] WSPR-2 Question about difference of reported >> frequencies between version 1.6 and 1.7 >> >> On 17/08/2016 23:28, f5djl wrote: >>> Clearly from the list below of RX reported frequency , they are suspicious >>> from 10 m to 23 cm : ie 1296.501465 is reported instead of the expected >>> 1296.501500 . >>> >>> >>> >>> 1296.501465 >>> >> Hi Jean Louis & all, >> >> that error is within the bounds of a single precision floating point >> representation discrepancy. The main window UI code and rig control use a 64 >> bit unsigned integer to represent frequencies to 1Hz resolution. In the >> codecs and a few other places where calculations are done on frequencies >> single precision floating point variables are used. In this case there seems >> to be a case for either double precision or switching to 64-bit unsigned >> intergers. >> >> 73 >> Bill >> G4WJS. >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> wsjt-devel mailing list >> wsjt-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/wsjt-devel >
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