On 5 May 2010 at 14:45, Douglas Bates wrote:
| I haven't seen in any of the descriptions of the std::transform
| template whether it can modify values in place. For example, can I
| perform the equivalent of the
|
| x <- x * mult
|
| operation in R, where x and mult are both numeric n-dimension
According to www.cplusplus.com/reference/algorithm/transform/,
"The function allows for the destination range to be the same as one of
the input ranges to make transformations in place."
Davor
On May 5, 2010 12:45:03 pm Douglas Bates wrote:
> I haven't seen in any of the descriptions of the s
I haven't seen in any of the descriptions of the std::transform
template whether it can modify values in place. For example, can I
perform the equivalent of the
x <- x * mult
operation in R, where x and mult are both numeric n-dimensional vectors, as
std::transform(x.begin(), x.end(), mult.begi
Le 13/04/10 00:14, Douglas Bates a écrit :
One of the advantages of using S4 classes and methods in R is that
there are formal definitions of classes. I plan eventually to write R
code that will take an S4 class definition and create a C++ class
definition and constructor code to mirror the R c
Le 04/05/10 22:26, Douglas Bates a écrit :
In the files src/MatrixNs.{h,cpp} of the lme4a package (the
development version of lme4, available only from R-forge) I create C++
classes that parallel some of the S4 classes in the Matrix package for
R. Most of the time I apply operations in those cl
