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I don't think this would work, as infinitely many points on "the sphere" will have the same key. So in the end the "find" will be indeterminate.

A problem in that case would be that it won't result in something unique. Please correct me if I'm wrong.

Perhaps read each line using "fgets" in a while loop, and then interpret it accordingly. If a line has a ",", then break, otherwise do whatever with the line string.


while( fgets(line_buffer,...

Either make the "votes", and "total" doubles, or typecast them as "double" while computing "percent".

Thanks Lindley for pointing out a problem.



Paul, you are suggesting a serious flaw in this implementation. I thought that when a value is fetched into an internal register, it is just mirrored...

Thanks Lindley for the clarification. In this case, I'm "another code" trying to debug some of the inherited code, without crashing it down.
The situation is that the keys instead of floats is the...

QUESTION 1: I think I am missing something here. I am not sure how "map" will use "LessThan" for "find". Can you please explain, or point to a link?



QUESTION 2: How to define a "LessThan"...

But if I don't add or subtract anything, it should work? For example,
1. an array initialized with all possible "floating point key values".
2. map initialized with (key,item) where keys are used...

I think I don't quite follow this. First, for std::map, I need to define LessThan() not EqualTo(). Correct? (this behavior is opposite to the hash_map, which I normally use) How this translates to...

I need to use it for find. In fact, I am debugging someone's code and find this usage, and am a bit skeptical of it. So, I wrote a small test application, which seems to work quite fine. I don't see...

I'm a bit confused with the working of map versus hash_map. For the hash_map the "Equal" is used to find the item, whereas the map seems to take "LessThan" as a template argument. Is that sufficient...

You are not freeing the memory correctly. Use

delete [] secret;

Hi,
It is reasonable to use floating point number as a key in std::map. Would it fail while trying to lookup for a keymap?
Thanks
SB

Use typecasting:

If "char* p" is the character pointer, then something like


int n = *( (int *) p );

is what you should be looking at.

I do have two monitors. Although the dialog is supposed to appear on the first one (its previous location as well as that of the VS IDE), I don't even find it on the second monitor either.
...

Hi,
Has anyone seen the following problem with VS.NET 2003 while debugging a process? If so, how to resolve it.

When I do:

Tools->Debug Processes…

Sometimes nothing happens. No dialog box...

The dll is generated through project wizard in VC2003. In that sense MYDLL_API is standard:



#ifdef MYDLL_EXPORTS
#define MYDLL_API __declspec(dllexport)
#else
#define MYDLL_API...

Hi,
I am exporting a class through a dll, which is then invoked via an application.

The class is abstract, but then concrete implementations are provided through derived classes. One of the...

But then how can I combine them to get something like:



class CMatrix< T >
{
private int _m;
private int _n;
private double[,] _data;

Hi,
While C# appeared similar to C++ on paper, I have started to struggle learning it. I started off with creating a generic matrix class, but soon simplified the problem to a class doing binary...

What about token pasting?
-SB

Hi,
How can I use token pasting preprocessor directive? I need to call the right function given the function names in the form of an array.



#define CallMyFun( p, n ) p->##n ();

string...