[pstricks] Suggestions for \psPrintValue

Buddy Ledger buddyledger at gmail.com
Mon Apr 27 05:17:46 CEST 2009


>You might get some ideas from the appended file, which gives a way to  
>round a number given in either conventional form or in formats like  
>1.23E-04 or -12.34e005, to a fixed number of decimal places. It works  
>entirely at the TeX level, so there is no need to call \psPrintValue  
>unless you have a number that is the result of a Postscript  
>computation. This is not a completed package---the handling of the  
>case where \decplaces<0 in not yet finished. Also, the size of numbers  
>handled is limited. The string of output digits, not counting the  
>period and sign, must be no more than 2^{31}, as it is stored in a  
>single count register, unlike the fp package. The other thing is that  
>\decplaces should have been handled as a keyword. See the end of the  
>file for usage and test examples.

Thanks, Micheal.  I tryed running the code but I get an error (see below).
I'm running MikTex 2.7 on WindowsXP.  I am really interested in the capability to read 
numbers in scientific notation.  To my knowledge (which is admittedly limited on the subject)
I don't believe anyone else has implimented a package to deal with numbers in 1E-4 notation.  
It is important for me since I have many data files which are formatted as such. 


! TeX capacity exceeded, sorry [input stack size=5000].
\hasanE #1E#2\@nil ->\hasanE #1
                               E\@nil \xdef \@tmpA {#1}\xdef \@tmpB 
{#2}\ifx...
l.177 12E-02 & \fmtnum{12E-02}
                              \\
No pages of output.
Transcript written on New.log.


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