Hi Michael,
very nice, thanks, I have applied the patch.
- Carsten
On Mar 2, 2010, at 9:15 PM, Michael Brand wrote:
Hi Carsten
Michael Brand wrote:
Yes, within a few days I will come back with this and/or a texinfo
patch for the Org info manual, at least chapter "3.5.2 Formula
syntax for Calc".
The patch below is my proposal for the manual. Please feel free to
improve it.
I also played around quite a bit with the precision settings and
will put the resulting examples into the Worg FAQ. But I would like
to postpone my Worg FAQ update because its link to the manual would
be confusing before the manual update itself will have been made.
Is there a small issue with the behavior of the section link
http://orgmode.org/manual/index.html#Top ?
With Firefox 3.0.5 it sometimes jumps to where the html source
fragment
<a name="Top"></a>
lies like expected but sometimes it jumps to where the html source
fragment
<link title="Top" rel="start" href="#Top">
lies which could be annoying.
Michael
patch for org.texi, `---' file was taken from org-version 6.34c:
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--- a/doc/org.texi 2010-01-18 00:10:46.000000000 +0100
+++ b/doc/org.texi 2010-03-02 20:00:00.000000000 +0100
@@ -2128,8 +2128,11 @@
@code{org-calc-default-modes}.
@example
-p20 @r{switch the internal precision to 20 digits}
-n3 s3 e2 f4 @r{normal, scientific, engineering, or fixed display
format}
+p20 @r{set the internal Calc calculation precision to 20
digits}
+n3 s3 e2 f4 @r{Normal, scientific, engineering, or fixed}
+ @r{format of the result of Calc passed back to Org.}
+ @r{Calc formatting is unlimited in precision as}
+ @r{long as the Calc calculation precision is greater.}
D R @r{angle modes: degrees, radians}
F S @r{fraction and symbolic modes}
N @r{interpret all fields as numbers, use 0 for non-
numbers}
@@ -2139,8 +2142,16 @@
@end example
@noindent
-In addition, you may provide a @code{printf} format specifier to
-reformat the final result. A few examples:
+Unless you use large integer numbers or high-precision-calculation
+and -display for floating point numbers you may alternatively
provide a
+...@code{printf} format specifier to reformat the Calc result after it
has been
+passed back to Org instead of letting Calc already do the
+formatt...@footnote{the @code{printf} reformatting is limited in
precision
+because the value passed to it is converted into an @code{integer} or
+...@code{double}. The @code{integer} is limited in size by truncating
the
+signed value to 32 bits. The @code{double} is limited in precision
to 64
+bits overall which leaves approximately 16 significant decimal
digits.}.
+A few examples:
@example
$1+$2 @r{Sum of first and second field}
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- Carsten
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