Re: [OT:] FTP clients
pbdelete_at_spamnuke.ludd.luthdelete.se.invalid
Date: 03/01/05
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Date: 01 Mar 2005 21:52:04 GMT
Active8 <reply2group@ndbbm.net> wrote:
>On 01 Mar 2005 11:04:16 GMT,
>pbdelete@spamnuke.ludd.luthdelete.se.invalid wrote:
>> Active8 <reply2group@ndbbm.net> wrote:
>>>On 01 Mar 2005 05:49:30 GMT,
>>>pbdelete@spamnuke.ludd.luthdelete.se.invalid wrote:
>>
>>>>>Opening output.fft and loading it into a std::vector<float> screws
>>>>>up, but input1.dat doesn't. It does load the vector, too. It just
>>>>>craps out when you return to the console, or in the [wx]winders app,
>>>>>the message loop. I think it has something to do with the
>>>>>vector<float> going out of scope. The fft file is 512 floats and I
>>>>>converted the actual values to test.txt. They didn't look right
>>>>>plotted either, but I can deal with that later.
>>>>
>>>>>I did it in VC++ which might not have it's STL sh*t together. I bet
>>>>>it runs on a linux box. I might try that.
>>>>
>>>>>Anyone want some c++ classes that operate on s, y, and z params? It
>>>>>stores them as complex numbers with accessor functions, operator
>>>>
>>>> Storeing numbers as binary data is something that unix os avoided quite early
>>>> due that it easily cause problems with different formats. Ofcourse it's
>>>> slightly slower.. ;)
>>
>>>You can still store binary data. It's built in to the c++ language.
>>>Betcha sizeof(float) is 4.
>>
>> Format of numbers may change between compiler and architecture.
>> There is a reason for htonl() etc..
>Those are macros and they just change the byte ordering for
>networking.
>Just because unices use text files to configure everything doesn't
>mean they *have* to - as if their machine would wake up one day and
>decide to treat ints as 2 bytes. I suppose unix coders store images
>and audio as text, too. You still have to know how to read the
>format.
>What's your point, anyway? It's irrelevant to anything I've said.
>And BTW, those classes, when I say "stores them as complex numbers
>with accessor functions," that clearly indicates that I'm speaking
>about something internal to the class and doesn't even begin to
>suggest whether I store them as text either in memory or on disk. In
>fact, the original program read the s-params in from a text file.
>Since I can't expect my ADC to give me ints in text... I don't know
>why I'd want to slow things down storing a signal as text on a disk.
>Does the program in the first link compile on your Sun OS?
..............................................................................
FreeBSD v5/i386
~ >g++ -I. -c main.cpp
In file included from main.cpp:3:
complex.h:65:7: warning: no newline at end of file
In file included from main.cpp:4:
dspfile.h: In member function `int DSPFile::load_vector(T&)':
dspfile.h:69: error: syntax error before `;' token
dspfile.h: In member function `int DSPFile::vec2disk(T&)':
dspfile.h:86: error: syntax error before `;' token
In file included from main.cpp:4:
dspfile.h:124:7: warning: no newline at end of file
main.cpp:34:2: warning: no newline at end of file
dspfile.h: In member function `int DSPFile::load_vector(T&) [with T =
std::vector<float, std::allocator<float> >]':
main.cpp:17: instantiated from here
dspfile.h:72: error: `it' undeclared (first use this function)
dspfile.h:72: error: (Each undeclared identifier is reported only once for each
function it appears in.)
Exit 1
..............................................................................
~ >uname -a
SunOS ???????? 5.9 Generic_112233-12 sun4u sparc SUNW,Sun-Blade-100
~ >g++ -I. -c main.cpp
In file included from main.cpp:4:
dspfile.h: In method `int DSPFile::load_vector(T &)':
dspfile.h:69: parse error before `='
dspfile.h: In method `int DSPFile::vec2disk(T &)':
dspfile.h:86: parse error before `='
dspfile.h: In method `int DSPFile::load_vector<vector<float,allocator<float> > >(vector<float,allocator<float> > &)':
main.cpp:17: instantiated from here
dspfile.h:72: `it' undeclared (first use this function)
dspfile.h:72: (Each undeclared identifier is reported only once
dspfile.h:72: for each function it appears in.)
Exit 1
..............................................................................
Proberbly easy to fix. But I haven't digged into it. Althought a Makefile
would be really benefitial.
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