Joseph N. Paulson wrote:
Hi all!
I am currently writing a C-module for a for loop in which I permute columns
in a matrix (bootstrapping) and I send a couple of variables into C
initially. All of it is working, except the initial values I send to R are
rounded/truncated (I believe rounded).
I am using a 32 bit machine to compile, I am using (I believe) 32 bit R....
While debugging I print the values I am sending to C, and then I print the
same values using Rprintf and the number gets rounded to 10^-6, which is
actually causing some errors for me. Is there any way to correct/prevent the
error?
sample output from R
[1,] 1.0000000
[2,] 1.0256242
[3,] 1.1826277
[4,] -0.6937246
[5,] 1.3633604
sample output from C
1.000000
1.025624
1.182628
0.693725
1.363360
It looks as though you are confusing the display of numbers with their
internal values. R is printing 7 decimal places, C is printing 6. As
far as we can tell, that's the only difference.
Duncan Murdoch
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