On 17/03/2014 11:39, Dirk Eddelbuettel wrote:
Bill,
On 17 March 2014 at 12:54, Bill Wang wrote:
| Thanks for your reply, I neede convert time_t to R type in C code, can not use
| Rcpp. Maybe Rcpp source code could help me.
Start by reading 'Writing R Extensions' and figure out how to send an i
Hi Sandip,
I think that you know on the 64-bit Unix/Linux/OS X platforms, long is
64-bit whereas int and INTEGER are 32-bit, so return directly Integer
unexpected problems may occur.
Cheers,
Bill
2014-03-17 13:24 GMT+08:00 Sandip Nandi :
> Hi Bill ,
>
> The following C code may help you , tim
On 16 March 2014 at 22:24, Sandip Nandi wrote:
| Hi Bill ,
|
| The following C code may help you , time_t is typedef to long int
|
| SEXP getTime() {
|
| time_t current_time;
| char* c_time_string;
| current_time = time(NULL);
| c_time_string = ctime(¤t_time);
|
| return mk
Bill,
On 17 March 2014 at 12:54, Bill Wang wrote:
| Thanks for your reply, I neede convert time_t to R type in C code, can not use
| Rcpp. Maybe Rcpp source code could help me.
Start by reading 'Writing R Extensions' and figure out how to send an int
back and forth. Then cast between int and ti
Hi Bill ,
The following C code may help you , time_t is typedef to long int
SEXP getTime() {
time_t current_time;
char* c_time_string;
current_time = time(NULL);
c_time_string = ctime(¤t_time);
return mkString(c_time_String); // or if you want to return as int
vector return s
Hi Dirk,
Thanks for your reply, I neede convert time_t to R type in C code, can not
use Rcpp. Maybe Rcpp source code could help me.
Cheers,
Bill
2014-03-16 22:55 GMT+08:00 Dirk Eddelbuettel :
>
> On 16 March 2014 at 18:36, Bill Wang wrote:
> | I am writing a R extensions, and I need pass time_
On 16 March 2014 at 18:36, Bill Wang wrote:
| I am writing a R extensions, and I need pass time_t to R in C, but I don't
| know how to do.
| Can you give me some help? do not use double directly.
Just treat it as an int:
R> library(Rcpp)
R> cppFunction("Date time_t2date(time_t what) { return
