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**To**:*math-font-discuss@cogs.susx.ac.uk***Subject**:**Rounding problems****From**:*Matthias Clasen <clasen@mathematik.uni-freiburg.de>***Date**: Fri, 17 Oct 1997 09:24:52 +0200 (MDT)**Cc**:*clasen@sirius.mathematik.uni-freiburg.de, vieth@thphy.uni-duesseldorf.de*

Hi, due to local mail problems I have probably lost most of yesterdays messages and still don't know if my announcement for version 0.53 made it to the list. If it has, let me correct it: The use of nonstandard font sizes in testnormal.dvi has nothing to do with rounding errors, it was just a line in testnormal.tex explicitly requesting these sizes which I forgot to take out. But there *are* rounding problems with font sizes stored in font dimensions, as the following example shows: I have a vpl saying (DESIGNSIZE R 10.0) (DESIGNUNITS R 10.0) and giving a fontdimension the value 7.0. Going from vpl to vf and back reproduces the value 7.0, but TeX thinks the value of the font dimension is 6.99998. This might be caused by different internal representations for dimensions in vptovf/vftovp and tex. It is problematic, since the 7.0 is interpreted as the script size and NFSS tries to load the fonts at 6.99998 pt. Perhaps manually rounding the fontdimensions to 2 digits will make the problem go away. Regards, Matthias

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