dev-cpp-users Mailing List for Dev-C++ (Page 3)

Hi Watson,
FFTW 3.01 ( fftw-3.0.1-w32-pl1 )comes with following files:
 fftw3.dll
 fftw3.exp
 fftw3.h
 fftw3.lib
 fftw.map
I linked fftw3.lib in the project options.

 When using FFTW 2.1.5, I add the following files to the lib folder:
 libfftw.a
libfftw.la
librfftw.a
librfftw.la

There might be something I am missing. Please help.

regards
Teboho
 
                 

>>> <wa...@wa...> 21/10/2004 19:26:34 >>>
On 21 Oct 2004 at 16:25, Teboho Nyareli wrote:

> When using FFTW
> 3.01 binaries I add the fftw3.lib file via the menu  project->
object
> file or linker options in the Dev-C++.

.lib?  I believe that's your problem.  You should be linking a .a file
not a .lib file.

Watson (the pencil neck) Davis





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I enabled the code-completion but nothing happened when I input code as follow:

#include <iostream>
#include <vector>
using namespace std;

int main()
{
    vector<int> ivec;
    int ival;
    while(cin>>ival)
        ivec.push_back( ival); // Here I input a dot, but why nothing happened?

BTW. When I update Dev-Cpp with Web Update, all packages listed. Why
we don't check the profile or build info from our installation and
list only uninstalled packages, but list all packages each time
instead? It's hard to find what I have ever installed and what never.

Thanks
Zhenjiang

Cary Haynie wrote:

>Those errors look would suggest that your missing a header file or something.  
>  
>
Actually, it suggests that the lib is missing from the linking stage.

>>I am still getting the same errors even with fftw-2.1.5. version.
>>
>>c:\dev-c++\examples\fft\fft.o(.text+0x29):fft.cpp: undefined reference
>>to `fftw_malloc'
>>    
>>
I didn't test the 2.1.5 version (I don't even know what's a FFT library 
for), but the 3.0.1 binary available at http://www.fftw.org works out of 
the box.
Seems that you aren't linking to the lib. Make sure to put every file in 
its right place. The .h file goes to the include folder, the .dll goes 
to somewhere in your path, and the other files go to your lib folder. 
Then in your project options you have to add the .lib file to the linker 
options.
This (from 
http://www.fftw.org/fftw3_doc/Complex-One_002dDimensional-DFTs.html#Complex-One_002dDimensional-DFTs 
) compiles and runs fine:

---
#include <fftw3.h>

int main(void)
{
        fftw_complex *in, *out;
        fftw_plan p;
        int N=16;

        in = fftw_malloc(sizeof(fftw_complex) * N);
        out = fftw_malloc(sizeof(fftw_complex) * N);
        p = fftw_plan_dft_1d(N, in, out, FFTW_FORWARD, FFTW_ESTIMATE);

        fftw_execute(p); /* repeat as needed */

        fftw_destroy_plan(p);
        fftw_free(in); fftw_free(out);
        return 0;
}
---


Daniel K. O.

On 21 Oct 2004 at 16:25, Teboho Nyareli wrote:

> When using FFTW
> 3.01 binaries I add the fftw3.lib file via the menu  project-> object
> file or linker options in the Dev-C++.

.lib?  I believe that's your problem.  You should be linking a .a file not a .lib file.

Watson (the pencil neck) Davis

(struct sockaddr*)  -- typecast to a pointer that points to a sockaddr struct

&socketaddress -- address of socket address.

basically it creates a pointer (reference) to socketaddress of the
struct sockaddr type.





On Thu, 21 Oct 2004 23:25:37 +0900, Peter Dennis <don...@ne...> wrote:
> Hi
> 
> Can someone please explain what this code of line means:
> 
> bind( sock, (struct sockaddr*)&socketaddress, sizeof(struct sockaddr);
> 
> I know it means that I am binding the socket with the address structure
> but what is the:
> (struct sockaddr*)&socketaddress part?
> 
> Is this something like a pointer called sockaddr that holds a struct and
> then references? socketaddress?
> 
> Any help interpreting this would be great.
> 
> Many thanks,
> 
> Peter.
> 
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Hi,
I have included the example code from FFTW 3.01 tuturial. I just
replaced fft_plan_dft_1d( ) and fftw_excute( ) with fftw_create_plan and
fftw_one when using the binaries from FFTW 2.1.5.  I also replace the
header file fftw3.h with the ones shown below. When using FFTW 3.01
binaries I add the fftw3.lib file via the menu  project-> object file or
linker options in the Dev-C++. When using the FFTW 2.1.5 binaries, I add
the libfftw.* files to the lib folder.  It still doesn't work with this
changes.


#include <stdlib.h>
#include <fftw.h>
#include <rfftw.h>

int main()
 {
     int N = 256;
     fftw_complex *in, *out;
     fftw_plan p;
     in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * N);
     out = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * N);
     p = fftw_create_plan(N,FFTW_FORWARD,FFTW_ESTIMATE);
     fftw_one(p,in,out);
      //p = fftw_plan_dft_1d(N, in, out, FFTW_FORWARD,FFTW_ESTIMATE);
      //fftw_execute(p); /* repeat as needed */
      fftw_destroy_plan(p);
      fftw_free(in);
      fftw_free(out);
      system("PAUSE");
      return 0;
 }

thanks again
Teboho



>>> Cary Haynie <xen...@gm...> 21/10/2004 15:11:55 >>>
Those errors look would suggest that your missing a header file or
something.  
I dont know what headers that fftw uses, but thats where I would
start.  Also make sure that that there is a 'using namespace <name>;'
statement, if one is required.


On Thu, 21 Oct 2004 11:31:13 +0200, Teboho Nyareli
<tny...@cs...> wrote:
> Hi Siva,
> I am still getting the same errors even with fftw-2.1.5. version.
> 
> c:\dev-c++\examples\fft\fft.o(.text+0x29):fft.cpp: undefined
reference
> to `fftw_malloc'
> c:\dev-c++\examples\fft\fft.o(.text+0x42):fft.cpp: undefined
reference
> to `fftw_malloc'
> c:\dev-c++\examples\fft\fft.o(.text+0x58):fft.cpp: undefined
reference
> to `fftw_create_plan'
> c:\dev-c++\examples\fft\fft.o(.text+0x74):fft.cpp: undefined
reference
> to `fftw_one'
> c:\dev-c++\examples\fft\fft.o(.text+0x83):fft.cpp: undefined
reference
> to `fftw_destroy_plan'
> c:\dev-c++\examples\fft\fft.o(.text+0x92):fft.cpp: undefined
reference
> to `fftw_free'
> c:\dev-c++\examples\fft\fft.o(.text+0xa1):fft.cpp: undefined
reference
> to `fftw_free'
> 
> 
> thanks in advance
> Teboho
> 
> >>> Siva Chandra <siv...@ya...> 20/10/2004 09:54:19 >>>
> 
> 
> 
> Hello,
> 
> There is a Dev-Pak now available for fftw at
> http://www.devpaks.org/ (it is listed under the
> mathematics section there).
> 
> You may try using it. But It is for an older version
> fftw-2.1.5.
> 
> HTH,
> Siva Chandra
> 
> _______________________________
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Hi

Can someone please explain what this code of line means:

bind( sock, (struct sockaddr*)&socketaddress, sizeof(struct sockaddr);

I know it means that I am binding the socket with the address structure 
but what is the:
(struct sockaddr*)&socketaddress part?

Is this something like a pointer called sockaddr that holds a struct and 
then references? socketaddress?

Any help interpreting this would be great.

Many thanks,

Peter.

Those errors look would suggest that your missing a header file or something.  
I dont know what headers that fftw uses, but thats where I would
start.  Also make sure that that there is a 'using namespace <name>;'
statement, if one is required.


On Thu, 21 Oct 2004 11:31:13 +0200, Teboho Nyareli <tny...@cs...> wrote:
> Hi Siva,
> I am still getting the same errors even with fftw-2.1.5. version.
> 
> c:\dev-c++\examples\fft\fft.o(.text+0x29):fft.cpp: undefined reference
> to `fftw_malloc'
> c:\dev-c++\examples\fft\fft.o(.text+0x42):fft.cpp: undefined reference
> to `fftw_malloc'
> c:\dev-c++\examples\fft\fft.o(.text+0x58):fft.cpp: undefined reference
> to `fftw_create_plan'
> c:\dev-c++\examples\fft\fft.o(.text+0x74):fft.cpp: undefined reference
> to `fftw_one'
> c:\dev-c++\examples\fft\fft.o(.text+0x83):fft.cpp: undefined reference
> to `fftw_destroy_plan'
> c:\dev-c++\examples\fft\fft.o(.text+0x92):fft.cpp: undefined reference
> to `fftw_free'
> c:\dev-c++\examples\fft\fft.o(.text+0xa1):fft.cpp: undefined reference
> to `fftw_free'
> 
> 
> thanks in advance
> Teboho
> 
> >>> Siva Chandra <siv...@ya...> 20/10/2004 09:54:19 >>>
> 
> 
> 
> Hello,
> 
> There is a Dev-Pak now available for fftw at
> http://www.devpaks.org/ (it is listed under the
> mathematics section there).
> 
> You may try using it. But It is for an older version
> fftw-2.1.5.
> 
> HTH,
> Siva Chandra
> 
> _______________________________
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> Declare Yourself - Register online to vote today!
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Hi Siva,
I am still getting the same errors even with fftw-2.1.5. version.

c:\dev-c++\examples\fft\fft.o(.text+0x29):fft.cpp: undefined reference
to `fftw_malloc'
c:\dev-c++\examples\fft\fft.o(.text+0x42):fft.cpp: undefined reference
to `fftw_malloc'
c:\dev-c++\examples\fft\fft.o(.text+0x58):fft.cpp: undefined reference
to `fftw_create_plan'
c:\dev-c++\examples\fft\fft.o(.text+0x74):fft.cpp: undefined reference
to `fftw_one'
c:\dev-c++\examples\fft\fft.o(.text+0x83):fft.cpp: undefined reference
to `fftw_destroy_plan'
c:\dev-c++\examples\fft\fft.o(.text+0x92):fft.cpp: undefined reference
to `fftw_free'
c:\dev-c++\examples\fft\fft.o(.text+0xa1):fft.cpp: undefined reference
to `fftw_free'



thanks in advance
Teboho
  

>>> Siva Chandra <siv...@ya...> 20/10/2004 09:54:19 >>>

Hello,

There is a Dev-Pak now available for fftw at
http://www.devpaks.org/ (it is listed under the
mathematics section there).

You may try using it. But It is for an older version
fftw-2.1.5. 

HTH,
Siva Chandra


		
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What is your experience level with programming in general?
--Scott Simontis--

rohit bhute wrote:
>   
> I'm an amatuer C/C++ programmer. I learned it on Turbo/Borland compiler as part of my freshers course in engineering. Now I want a better way to learn C/C++ again thru Dev C++. Are there any free e-books available that will take me through the steps?
> 
> Take back the Web - Get Firefox
> 
> Rohit V. Bhute
> Mumbai
> http://rvbhute.tripod.com
> 
> 
> 
> 

Its iostream, not iostram, and you put a space at the start.
--Scott Simontis--

David Merrick wrote:
> Error message
> # include < iostram> unrecognised option -f dollar-in-identifers
> 
> 
> 
> David Merrick
> 70 Warren Crescent
> Ph 03 942 0064
> 
> mer...@ho...
> 
> _________________________________________________________________
> Listen to music online with the Xtra Broadband Channel  
> http://xtra.co.nz/broadband
> 
> 
> 
> -------------------------------------------------------
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> Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more
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> _______________________________________________
> Dev-cpp-users mailing list
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> 

  =0AI'm an amatuer C/C++ programmer. I learned it on Turbo/Borland compile=
r as part of my freshers course in engineering. Now I want a better way to =
learn C/C++ again thru Dev C++. Are there any free e-books available that w=
ill take me through the steps?=0A=0ATake back the Web - Get Firefox=0D=0A=
=0D=0ARohit V. Bhute=0D=0AMumbai=0D=0Ahttp://rvbhute.tripod.com=0D=0A=0D=0A=
=0D=0A=0D=0A

can you post the source?


On Wed, 20 Oct 2004 12:38:31 +1300, David Merrick <mer...@ho...> wrote:
> Error message
> # include < iostram> unrecognised option -f dollar-in-identifers
> 
> David Merrick
> 70 Warren Crescent
> Ph 03 942 0064
> 
> mer...@ho...
> 
> _________________________________________________________________
> Listen to music online with the Xtra Broadband Channel
> http://xtra.co.nz/broadband
> 
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>

Hello,

There is a Dev-Pak now available for fftw at
http://www.devpaks.org/ (it is listed under the
mathematics section there).

You may try using it. But It is for an older version
fftw-2.1.5. 

HTH,
Siva Chandra


		
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Declare Yourself - Register online to vote today!
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Hi everyone,
as a newbie, I am experiencing problems with linking the FFTW library
to DEV-C++ compiler. I followed the procedure that Siva Chandra
suggested on "trying to install FFTW library on XP" (avaliable in the
mailing list achieves). The example program from FFTW compiles but the
errors I get in linker are:

  c:\dev-c++\examples\fft\fft.o(.text+0x29):fft.cpp: undefined
reference to `fftw_malloc'
c:\dev-c++\examples\fft\fft.o(.text+0x42):fft.cpp: undefined reference
to `fftw_malloc'
c:\dev-c++\examples\fft\fft.o(.text+0x60):fft.cpp: undefined reference
to `fftw_plan_dft_1d'
c:\dev-c++\examples\fft\fft.o(.text+0x74):fft.cpp: undefined reference
to `fftw_execute'
c:\dev-c++\examples\fft\fft.o(.text+0x83):fft.cpp: undefined reference
to `fftw_destroy_plan'
c:\dev-c++\examples\fft\fft.o(.text+0x92):fft.cpp: undefined reference
to `fftw_free'
c:\dev-c++\examples\fft\fft.o(.text+0xa1):fft.cpp: undefined reference
to `fftw_free'

I have loaded the fftw3.lib to the linker in the project options. I am
using the FFTW 3.x windows binaries (fftw-3.0.1-w32-pl1). Please help.

thanks
Teboho


CSIR Miningtek
P.O. Box 91230
Auckland Park
Johannesburg
2006



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Does anyone use plib with Dev-C++?  I have the devpak but I can't get any 
programs to compile.  I can get plib based programs to compile from a 
Cygwin shell, programs like FlightGear but not Dev-C++.  I am not sure 
if it something simple like compiler options.
            Thanks,
                 Nolan

Error message
# include < iostram> unrecognised option -f dollar-in-identifers



David Merrick
70 Warren Crescent
Ph 03 942 0064

mer...@ho...

_________________________________________________________________
Listen to music online with the Xtra Broadband Channel  
http://xtra.co.nz/broadband

Hi,

Recently I have strange problem with linking. One day everythink was ok, 
next day when I tried to compile the same project I saw:

E://Dev-Cpp//bin//g++.exe main.o  -o "Grrr1.exe" -L"E:/Dev-Cpp/lib"
E:\Dev-Cpp\bin\..\lib\gcc-lib\mingw32\3.3.1\..\..\..\..\mingw32\bin\ld.exe: 
cannot open output file Grrr1.exe -LE:/Dev-Cpp/lib .exe: Invalid argument
make.exe: *** [Grrr1.exe] Error 1

(it's also in new created console application in c++).

When I run:
E://Dev-Cpp//bin//g++.exe main.o  -o "Grrr1.exe" -L"E:/Dev-Cpp/lib"
from command line everythink is ok. I use Dev-C++ 4.9.9.0. Root 
direcotry is e:\dev-cpp.

Any idea what is wrong?

Thanks for help
Marcin

Dear users,

   I used an earlier version of dev and in that version I clicked over
Project-->Edit Resource File and put my resource files.
  =20
   Today I have the 4.9.8.0 version and I can=B4t find anymore this optio=
n.
   Anybody can help what is necessary now how to put a .rc file in a=20
project?

Regards
Andre

Yin Ming wrote:

>Since not wiliing to learn WIN API totally, I want to port it via
>DEV-CPP,  I mean the mingw32 libs it includes, with a little modification,  
>But those libs seems not complete, I cannot find sys/socket in dev-cpp/includes.
>And none of my fellows wants to install huge of files, such as Cynwin...
>Can dev-cpp do this porting? Or I must rewrite in python or java?
>  
>
It probably can.
For sockets you have to use winsock. But remember that there are many 
incompatibilities. Some things to keep in mind:

    * Windows sockets are *not* file descriptors. That means no read(),
      no write(), and most important: *no close()*. You close sockets
      with closesocket().
    * Winsock needs to be initialized with WSAStartup and finalized with
      WSACleanup.
    * Windows sockets are *unsigned*, not signed. Expressions like
      "sock<0" that are commong for detecting invalid file descriptors
      won't work. An invalid socket has the value INVALID_SOCKET.
    * The error codes (like EINVAL, ENETDOWN, etc) are present, but with
      the "WSA" prefix (WSAEINVAL, WSAENETDOWN...).
    * Instead of using fcntl for non-blocking sockets, use ioctlsocket.
    * select() will accuse a non-blocking socket as readable/writable
      most of the time, when it isn't. In this case, *every* send/recv
      call should check for WSAEWOULDBLOCK.
    * Because of this, you can't get high-speed transfers with
      non-blocking sockets... you hit the wall at 2~5 MB/s.
    * You check error codes with WSAGetLastError, not with errno. There
      are no strings for winsock errors (i.e. strerror).
    * inet_addr() will crash your program if you send it non-ASCII
      chars, specially if you run it in a locale other than "C".


For network programs I usually have a header that looks like this:
---
#ifdef WIN32
#include <winsock2.h>
        #define NET_STARTUP     {       WSADATA wsa; \
                                        WSAStartup(MAKEWORD(2, 0), &wsa); \
                                        atexit((void (*)())WSACleanup); }
#else
// *nix?
        #define NET_STARTUP
        #include <sys/socket.h>
        #include <netdb.h>
        #include <netinet/in.h>
        #include <arpa/inet.h>
        #include <netdb.h>
        #include <unistd.h>

        #define SOCKET int
        #ifndef SOCKET_ERROR
                #define SOCKET_ERROR -1
        #endif
        #define INVALID_SOCKET   -1
        typedef struct sockaddr_in SOCKADDR_IN;
        typedef struct sockaddr SOCKADDR;
        #define closesocket(x)  close(x)
#endif
---

I hope it helps. For mor info, look for the winsock documentation at 
msdn.com.



Daniel K. O.

Hello,=20
I'm making  a program to get the status's information of the network =
adapter , using the GetAdaptersInfo() and GetIfTable() functions. =
Everything works very or in Windows XP but in Windows 98 although it =
executes correctly does not show to the correct data for example the =
type to me of adapter for all shows them as Ethernet =
MIB_IF_TYPE_ETHERNET) the state always shows it Disconnected =
MIB_IF_OPER_STATUS_UNREACHABLE)y the speed that shows is the speed that =
to that the equipment is connected when it always loads then Windows the =
speed of the modem is 9600 although this connecting to 50000 bps or any =
other the other data (sent packages received packages directions IP MAC =
etc) are correct.

 (in Xp Windows there is no problem)=20

Thank you very much!
please they escusen my English

Jonathan G.



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Hi, all mates.

I'm writting a p2p like server&client with glibc in Linux. It does low-level
file IO, manipulate filesystem (create and delete files, walkthrou
directories ... ) , communicate via sockets (TCP/UDP). Now I'd like to
port it into WIN2K, to make my fellows enjoy it in office. 


Since not wiliing to learn WIN API totally, I want to port it via
DEV-CPP,  I mean the mingw32 libs it includes, with a little modification,  
But those libs seems not complete, I cannot find sys/socket in dev-cpp/includes.
And none of my fellows wants to install huge of files, such as Cynwin...
Can dev-cpp do this porting? Or I must rewrite in python or java?

McAfee GroupShield=C2=99 Alert=20

McAfee GroupShield discovered a problem with the following email. See
your system administrator for further information.=20

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If you do -llibname, gcc will look for a file named liblibname.a. If you
want to link something else, you can just specify the full file name
on the command line, in the same way you supply the object files.

/Per W

On Sun, 17 Oct 2004, [koi8-r] =F3=D4=C1=CE=C9=D3=CC=C1=D7 =E0=C4=C9=CE wrot=
e:

>
> Do I need to pass some magic keys to gcc, or it's just "-L\path\to
> -llibname"?
> And yes, It's C library.
>
> > -----Original Message-----
> > From: dev...@li...
> > [mailto:dev...@li...] On Behalf
> > Of Daniel K. O.
> > Sent: Saturday, October 16, 2004 4:08 PM
> > To: Benjamin Lau
> > Cc: dev...@li...
> > Subject: Re: [Dev-C++] LIB files and Dev-C++ (=F3=D4=C1=CE=C9=D3=CC=C1=
=D7 =E0=C4=C9=CE)
>
> [skip]
>
> > It also accepts .lib, .dll and even .exe (if you create an
> > executable that exports functions) files. But only if it's a
> > C library; the C++ code generated by g++ and vc++ are incompatible.
> >
> >
> > Daniel K. O.
> >
>
>
>
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>

Станислав Юдин wrote:

>Do I need to pass some magic keys to gcc, or it's just "-L\path\to
>-llibname"?
>  
>
If the lib is in your lib dir, and is in the format "libwhatever.a", you 
just need "-lwhatever".
For everything else you add the complete path to the file (using the 
"Add library or object" button).


Daniel K. O.