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Search: Posts Made By: Siersan
Forum: Computer Science Feb 23rd, 2005
Replies: 1
Views: 4,773
Posted By Siersan
Sign-magnitude is probably the simplest of the binary representations. To get the negative binary representation of a negative number, just take the positive number and set the sign bit.

81 is...
Forum: C++ Feb 23rd, 2005
Replies: 11
Views: 3,507
Posted By Siersan
Try:

Triangle Copy(Triangle t)
{
return Triangle(t.side_1, t.side_2, t.side_3);
}
Forum: C++ Feb 23rd, 2005
Replies: 10
Views: 3,347
Posted By Siersan
a[0] is the first object. Don't forget that arrays in C++ are zero based. But yes, a two dimensional array can do what you want.
Forum: Pascal and Delphi Feb 22nd, 2005
Replies: 3
Views: 4,629
Posted By Siersan
How you print the table depends on how you set up your table of records. If it's actually an array of records then you're looking at a loop like this:

writeln('Summary of Student Course Scores:')...
Forum: C++ Feb 22nd, 2005
Replies: 11
Views: 3,507
Posted By Siersan
Sure, but be warned that I'm very busy during work hours, so I may not get to your question until tomorrow evening if I miss it tonight.
Forum: C Feb 22nd, 2005
Replies: 0
Views: 1,427
Posted By Siersan
Unlike a balanced skip list, a probabilistic skip list uses random numbers to determine the height of each node rather than deterministic logic. The only real advantage of using a linked structure...
Forum: C Feb 22nd, 2005
Replies: 0
Views: 1,424
Posted By Siersan
Array based skip lists are a pain to work with. They are error prone and difficult to follow. Worse, they are difficult to extend so that the data structure is deterministic rather than probabilistic...
Forum: C++ Feb 22nd, 2005
Replies: 11
Views: 3,507
Posted By Siersan
Post the errors. Most likely we're using incompatible compilers where stuff like new headers and namespaces work for me but not for you.
Forum: C++ Feb 22nd, 2005
Replies: 10
Views: 3,347
Posted By Siersan
Do the requirements say that the user should be able to create up to 10 Set objects, or up to 10 named Set objects? It appears to me like you can just have an array of Sets:

Set a[10];
int n = 0;...
Forum: C++ Feb 22nd, 2005
Replies: 11
Views: 3,507
Posted By Siersan
Compare the operator== and operator<< functions between your version and mine. Therein lies the problem. Both Triange and friend should be removed from the front of the function tags, and Triangle is...
Forum: C++ Feb 22nd, 2005
Replies: 11
Views: 3,507
Posted By Siersan
Compare this with what you have:

#include <iostream>

using namespace std;

class Triangle
{
public:
friend Triangle Copy(Triangle triangle1);
Forum: C++ Feb 22nd, 2005
Replies: 11
Views: 3,172
Posted By Siersan
As long as the structure is correct for your project, you shouldn't get any errors. The nice thing about IDEs is that they package all of your tools together, but they also let you structure multiple...
Forum: C++ Feb 22nd, 2005
Replies: 19
Views: 4,045
Posted By Siersan
You can probably PM cscgal and get her to remove your account.
Forum: C++ Feb 21st, 2005
Replies: 1
Views: 1,571
Posted By Siersan
Look into the random_shuffle (http://www.dinkumware.com/manuals/reader.aspx?b=p/&h=algorith.html#random_shuffle) function. It takes a sequence and permutes the contents randomly.
Forum: C Feb 21st, 2005
Replies: 2
Views: 4,270
Posted By Siersan
What errors you are getting? It compiles and runs just fine for me except every prime is 1 larger than it should be because you add 1 to m when printing.
Forum: C++ Feb 21st, 2005
Replies: 1
Views: 2,802
Posted By Siersan
No, not really. But you can minimize the redundant code by putting all of this in a function:

void clear_data(data obj)
{
piplus.px.clear();
piplus.py.clear();
piplus.pz.clear();
...
Forum: C++ Feb 21st, 2005
Replies: 10
Views: 13,854
Posted By Siersan
Nice collection. :)
Forum: C++ Feb 21st, 2005
Replies: 1
Views: 1,811
Posted By Siersan
One word: "pipe". :) Any input to and output from the program can be piped into your GUI code and handled accordingly.
Forum: C++ Feb 21st, 2005
Replies: 11
Views: 3,172
Posted By Siersan
To compile the code you only need declarations. But to link the object files into an executable, you need the definitions. :) The conventional way of doing this is by having a .h file with...
Forum: C++ Feb 20th, 2005
Replies: 9
Views: 139,568
Posted By Siersan
A 20 character long hexadecimal value would exceed any of C++'s types. Try an arbitrary precision library such as GMP (http://www.swox.com/gmp/).
Forum: DaniWeb Community Feedback Feb 20th, 2005
Replies: 11
Views: 2,919
Posted By Siersan
Always. Geeks are a strange bunch, but we always welcome new people into our fold. The only requirement is a desire to learn. :)
Forum: C++ Feb 20th, 2005
Replies: 9
Views: 139,568
Posted By Siersan
That is up to your implementation, but you can assume that the size of an int is the natural word size of your system. A 32 bit system will most likely have 32 bit integers, so the largest value is...
Forum: C++ Feb 20th, 2005
Replies: 11
Views: 3,172
Posted By Siersan
You should include myclass.h. Headers are there to provide declarations so that the code in multiple source files will compile. You do not need definitions until link time. You can include...
Forum: C++ Feb 20th, 2005
Replies: 1
Views: 3,116
Posted By Siersan
You probably want to use == instead of =. The former is comparison and the latter is assignment. Aside from that, your loop seems to work okay. What exactly are you trying to do?
Forum: C++ Feb 20th, 2005
Replies: 5
Views: 11,200
Posted By Siersan
There is, but it is broken. :) As I said before, the best way is to use the return value of your input function as a loop controller.
Forum: C++ Feb 20th, 2005
Replies: 1
Views: 1,250
Posted By Siersan
A structure chart is just a flowchart (http://en.wikipedia.org/wiki/Flowchart). Pseudocode (http://en.wikipedia.org/wiki/Pseudocode) is equally simple, it is just a structured way of describing your...
Forum: C++ Feb 20th, 2005
Replies: 2
Views: 2,238
Posted By Siersan
If possible, it's a good idea to use existing libraries to do your work. For example, the C++ library supports next_permutation that can be used to get the result that you want:

#include...
Forum: C++ Feb 20th, 2005
Replies: 8
Views: 1,833
Posted By Siersan
I see you have already gotten another book, so feel free to ignore this post. I'm not a big fan of the "X for Dummies" books, but I have heard some knowledgeable C++ists sing praises for the most...
Forum: C++ Feb 20th, 2005
Replies: 5
Views: 11,200
Posted By Siersan
The best way to read from a file is to use the input gathering function itself as your loop condition. That way when it returns a failure code (supposedly for reaching end-of-file), you break the...
Forum: C++ Feb 20th, 2005
Replies: 19
Views: 4,045
Posted By Siersan
When first learning, it's most important to have a compiler you're comfortable with. Professionals can debate the merits of this compiler vs that compiler, but in the end if it's awkward for you to...
Forum: C Feb 20th, 2005
Replies: 3
Views: 2,061
Posted By Siersan
Perhaps you meant

fin=fopen("a:\\test.txt","wt");

and

fin=fopen("a:\\test.txt","rt");
Forum: Legacy and Other Languages Feb 10th, 2005
Replies: 90
Views: 28,859
Posted By Siersan
program pascal;
begin
writeln('Hello, world!');
end.
Forum: C Feb 10th, 2005
Replies: 6
Views: 2,741
Posted By Siersan
fprintf(fp_setup, "%s %4d %2d %c\n",
customer->customer_name,
customer->customer_no,
customer->no_of_weeks,
customer->tv_type);
Forum: C Feb 9th, 2005
Replies: 8
Views: 9,919
Posted By Siersan
No. That's all there is to it, but the forum requires at least 10 characters in a message. :)
Forum: C++ Feb 8th, 2005
Replies: 2
Views: 5,644
Posted By Siersan
You need an object of class secret or to derive from secret before you can access it's members. Just because you define a friend doesn't mean the rules of C++ have changed.

#include <iostream>
...
Forum: C++ Feb 5th, 2005
Replies: 1
Views: 3,677
Posted By Siersan
No, executables compiled for one operating system are highly unlikely to run on another.
Forum: C++ Feb 3rd, 2005
Replies: 3
Views: 25,099
Posted By Siersan
Is there something wrong with this?

#include <iomanip>
#include <iostream>

using namespace std;

int main()
{
double a = 440;
Forum: C++ Feb 3rd, 2005
Replies: 1
Views: 7,332
Posted By Siersan
Your compiler is assuming a function returns int if you don't specify a return value. That's not technically legal C++, but many compilers support it anyway. Here is your code with the necessary...
Forum: C++ Feb 1st, 2005
Replies: 5
Views: 1,736
Posted By Siersan
I think the intelligent solution would be to read the standard. But I can see how it would be intimidating to some people. Have you tried searching www.dinkumware.com?
Forum: C Jan 30th, 2005
Replies: 2
Views: 6,755
Posted By Siersan
What you have should work, unless I'm too tired to see a problem. Another way to write it would be

inData.open(fileName.c_str());

for (int i = 0; inData>> T[i]; i++)
++size;
Showing results 1 to 40 of 45

 


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