Re: problem with octave_main

[Tatsuro MATSUOKA]

----- Original Message -----

> From: Tatsuro MATSUOKA 
> To: "help-octave
> Cc: 
> Date: 2016/5/9, Mon 05:03
> Subject: Re: problem with octave_main
> 
> It is custom that bottom posting in this mailing list.
> 
> See
> https://en.wikipedia.org/wiki/Posting_style
> 
> 
> Please use bottom posting so far.
> My reply is written at the bottom.
> 
>> From: Koby Zalmanson 
>> To: Tatsuro MATSUOKA  
>> Date: 2016/5/9, Mon 04:49
>> Subject: Re: problem with octave_main
> 
> 
> 
> 
>> On Sun, May 8, 2016 at 8:41 PM, Tatsuro MATSUOKA 
> <address@hidden> wrote:
>> 
>> ----- Original Message -----
>>>> From: Koby Zalmanson 
>>>> To: help 
>>>> Date: 2016/5/8, Sun 22:39
>>>> Subject: problem with octave_main
>>>> 
>>>> 
>>>> Hi,
>>>> I try to run the following  sample problem that is in the internet:
>>>> int main()
>>>> {
>>>> string_vector argv(2);
>>>> argv(0) = "embedded";
>>>> argv(1) = "-q";
>>>> 
>>>> 
>>>> if (octave_main(2, argv.c_str_vec(), 1))
>>>> {
>>>> 
>>>> 
>>>> std::cout << "GCD of [12, 16] is ";
>>>> 
>>>> 
>>>> // Use octave_value_list directly as input
>>>> octave_value_list in(2);
>>>> in(0) = 12;
>>>> in(1) = 16;
>>>> 
>>>> 
>>>> octave_value_list out = feval("gcd", in, 1);
>>>> 
>>>> 
>>>> std::cout << out(0).int_value() << std::endl;
>>>> return 0;
>>>> }
>>>> else
>>>> {
>>>> error("Octave interpreter initialization failed");
>>>> return 1;
>>>> }
>>>> 
>>>> 
>>>> }
>>>> 
>>>> 
>>>> 
>>>> 
>>>> I run it on visual studio.
>>>> The problem is that it fails at the line of octave main,
>>>> and at the failing makes it to exit the program.
>>>> 
>>>> 
>>>> At the error list on visual studio appears:
>>>> 'TestOctave3.exe' (Win32): Loaded 
> 'C:\Windows\SysWOW64\winnsi.dll'. Cannot find or open the 
> PDB file.
>>>> 'TestOctave3.exe' (Win32): Loaded 
> 'D:\Octave-3.6.4\lib\octave\3.6.4\oct\i686-pc-mingw32\find.oct'. 
> Module was built without symbols.
>>>> 'TestOctave3.exe' (Win32): Unloaded 
> 'D:\Octave-3.6.4\lib\octave\3.6.4\oct\i686-pc-mingw32\find.oct'
>>>> The thread 0x27ac has exited with code 1 (0x1).
>>>> 
>>>> 
>>>> Can you tell me what is the problem and what should be done?
>>>> I'll appreciate any help.
>>> 
>>> 
>>> 
>>> You might not use the MS Visual studio because octave for windows was 
> built using
>>> mingw w64 (32 bit or 64 bit) gcc compiler.
>>> 
>>> If you want to write program using libraries bundled with octave, see 
> octave manual.
>>> 
>>> http://www.gnu.org/software/octave/doc/interpreter/External-Code-Interface.html#External-Code-Interface
>>> 
>>> Almost case, you have to use mkoctfile script.
>>> 
>>> 
>>> Tatsuro
>>> 
>>> 
>> 
>> 
>> I am working on a big project that is written already in Visual. It is not 
> relevant to use other compilers than visual.
> 
> 
> 
> Octave developers are not working with the Visual Studio staff.
> In mxe-octave that is used to build octave for windows, there are some 
> descriptions
> for build octave for Visual C++ compiler.  
> However, a main contributor related to the MSVC has not come to octave 
> community 
> recently.
> You want to use Visual studio on windows you have to do a lot of things
> with your best efforts. Perhaps there are no easy ways.
> 
> Tatsuro  
> 
I have overlooked you are using octave-3.6.4 built with MSVC.

See:
http://wiki.octave.org/Octave_for_Microsoft_Windows#Octave_with_Visual_Studio 

Perhaps the above does not give what you fully want, but can  be used as 
beginning. 
Anyway I cannot state further for MSVC and octave for windows.



Tatsuro