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calling optim from external C/C++ program

4 messages · Vadim Ogranovich, Brian Ripley, David Meyer

Original
Vadim Ogranovich
# 
Hi,

Does anyone have an example of calling optim() from a standalone C/C++
program? If possible please include the linker options (I am using gcc
version 2.96 20000731 (Red Hat Linux 7.1 2.96-98))

Thanks, Vadim

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Brian Ripley
#
On Mon, 29 Apr 2002, Vadim Ogranovich wrote:

            

      
      
      
    

        
It's not possible.  An important part of optim() is in R.  R 1.5.0 makes
the underlying optimizers available to C code linked into R, but they are
only part of optim().

There is also no such thing as gcc 2.96: see gcc.gnu.org.  You would be
well-advised to use a released version of gcc.

  
    

      
      
    

  


  


      

    

    

      
      

        


  

        

      David Meyer
    

    

      
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..altough Red Hat claimed to use one (see e.g., 

http://www.redhat.com/support/errata/RHBA-2000-132.html

) but in any case it's a bad idea to use it ;)

g.,
-d

            

      
      
      
    

        

  
    

      
      
    

  


  


      

    

    

      
      

        


  

        

      Brian Ripley
    

    

      
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On Tue, 30 Apr 2002, David Meyer wrote:

        

            

      
      
      
    

        
Oh, they have shipped a version of gcc purporting to be 2.96 (and still
do AFAIK).  However,  there is no such version of gcc, see

http://gcc.gnu.org/releases.html
http://gcc.gnu.org/gcc-2.96.html

and there are known problems with the `2.96' in RH7.1 and RH7.2 which have
affecting compiling R and its packages.