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. <inserted text>                } <*> ./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 ?

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hm, what about  tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14) sorry  tex.sprint(tex.ctxcatcodes,string.format("\%.2f",355/14))

-- luigi