Re: [NTG-context] LuaTeX & printf() function ?
On 23-7-2010 11:29, Vnpenguin wrote: \clxluacode{contextf()} ? (like print()& printf()) No, as context() is already built in for quite a while and I don't want to polute the global namespace any more that it already is. Also, there is no printf in lua and I see no reason to mimick c calls (for me printf does not feel more natural). Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] LuaTeX & printf() function ?
On Fri, Jul 23, 2010 at 23:23, Hans Hagen wrote: > On 23-7-2010 10:53, Vnpenguin wrote: >> >> \startformula > > K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= > \ctxlua{tex.print(string.format("%0.2f",355/14))} > \stopformula > > > or > > \ctxlua{context("\letterpercent0.2f",355/14)} > > we can consider adding > > \let\pct\letterpercent > > but nice is: > > \ctxluacode{context("%0.2f",355/14)} > > i'll add this but keep in mind that this will only work in the text stream, > not in macro definitions or as arguments > With the format "%..." it's better to call something like \clxluacode{contextf()} ? (like print() & printf()) ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] LuaTeX & printf() function ?
On 23-7-2010 10:53, Vnpenguin wrote: \startformula K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= \ctxlua{tex.print(string.format("%0.2f",355/14))} \stopformula or \ctxlua{context("\letterpercent0.2f",355/14)} we can consider adding \let\pct\letterpercent but nice is: \ctxluacode{context("%0.2f",355/14)} i'll add this but keep in mind that this will only work in the text stream, not in macro definitions or as arguments Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] LuaTeX & printf() function ?
On Fri, Jul 23, 2010 at 22:39, luigi scarso wrote: > On Fri, Jul 23, 2010 at 10:38 PM, luigi scarso wrote: >> On Fri, Jul 23, 2010 at 10:25 PM, Vnpenguin wrote: >>> Hi, >>> Here is my test: >>> === >>> \setuppapersize[A4][A4] >>> \usetypescript[postscript] >>> \setupbodyfont[palatino,12pt] >>> >>> \starttext >>> \startformula >>> K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= \ctxlua{tex.print(355/14)} >>> \stopformula >>> \stoptext >>> === >>> >>> It works well and give me result = 25,357142857143. In order to obtain >>> 2 decimal number I tried: >>> >>> \startformula >>> K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= >>> \ctxlua{tex.printf("%0.2f",355/14)} >>> \stopformula >>> >>> But it does not work. Here is the error: >>> >>> tex.printf("\doplaceformulanumber \stopdisplaymath \global \let \gdef \ETC. >>> ! File ended while scanning text of \zerocount. >>> >>> } >>> <*> ./test-lua.tex >>> ? >>> >>> Another try: >>> >>> \startformula >>> K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= >>> \ctxlua{tex.print(string.format("%0.2f",355/14))} >>> \stopformula >>> >>> gives me the same error. >>> >>> So is there really a function printf() in LuaTeX engine ? >>> >>> Thanks >>> >> hm, what about >> tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14) > sorry > tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14)) > Ahhh, forgot to escape %, my bad !!! The code \ctxlua{tex.print(string.format("\%0.2f",355/14))} works ok for me. Thanks, ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] LuaTeX & printf() function ?
On Fri, Jul 23, 2010 at 10:38 PM, luigi scarso wrote: > On Fri, Jul 23, 2010 at 10:25 PM, Vnpenguin wrote: >> Hi, >> Here is my test: >> === >> \setuppapersize[A4][A4] >> \usetypescript[postscript] >> \setupbodyfont[palatino,12pt] >> >> \starttext >> \startformula >> K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= \ctxlua{tex.print(355/14)} >> \stopformula >> \stoptext >> === >> >> It works well and give me result = 25,357142857143. In order to obtain >> 2 decimal number I tried: >> >> \startformula >> K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= >> \ctxlua{tex.printf("%0.2f",355/14)} >> \stopformula >> >> But it does not work. Here is the error: >> >> tex.printf("\doplaceformulanumber \stopdisplaymath \global \let \gdef \ETC. >> ! File ended while scanning text of \zerocount. >> >> } >> <*> ./test-lua.tex >> ? >> >> Another try: >> >> \startformula >> K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= >> \ctxlua{tex.print(string.format("%0.2f",355/14))} >> \stopformula >> >> gives me the same error. >> >> So is there really a function printf() in LuaTeX engine ? >> >> Thanks >> ___ >> If your question is of interest to others as well, please add an entry to >> the Wiki! >> >> maillist : ntg-context@ntg.nl / >> http://www.ntg.nl/mailman/listinfo/ntg-context >> webpage : http://www.pragma-ade.nl / http://tex.aanhet.net >> archive : http://foundry.supelec.fr/projects/contextrev/ >> wiki : http://contextgarden.net >> ___ >> > hm, what about > tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14) sorry tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14)) -- luigi ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] LuaTeX & printf() function ?
On Fri, Jul 23, 2010 at 10:25 PM, Vnpenguin wrote: > Hi, > Here is my test: > === > \setuppapersize[A4][A4] > \usetypescript[postscript] > \setupbodyfont[palatino,12pt] > > \starttext > \startformula > K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= \ctxlua{tex.print(355/14)} > \stopformula > \stoptext > === > > It works well and give me result = 25,357142857143. In order to obtain > 2 decimal number I tried: > > \startformula > K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= > \ctxlua{tex.printf("%0.2f",355/14)} > \stopformula > > But it does not work. Here is the error: > > tex.printf("\doplaceformulanumber \stopdisplaymath \global \let \gdef \ETC. > ! File ended while scanning text of \zerocount. > > } > <*> ./test-lua.tex > ? > > Another try: > > \startformula > K = \frac{\sigma_1}{\sigma_2} = \frac{355}{14}= > \ctxlua{tex.print(string.format("%0.2f",355/14))} > \stopformula > > gives me the same error. > > So is there really a function printf() in LuaTeX engine ? > > Thanks > ___ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://tex.aanhet.net > archive : http://foundry.supelec.fr/projects/contextrev/ > wiki : http://contextgarden.net > ___ > hm, what about tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14) ? -- luigi ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___