General C++ Programming - C++ Forum - August 2014 (Page 11)

Prove a random generated number is uniform distributed

Given a random number generator to generate a number between [0,N), how to prove this number is uniform distributed. Any suggestion?

[1 reply] : Checkout the Chi Square Test for Uniformity . It's a measure of how ... (by kbw)

by csstudent123

accessing headers

what does this mean and does it depend on OS? $g++ -I/usr/local/include main.cpp

[3 replies] Last: thanks (by csstudent123)

by mdrocky

Help

Can anyone give a link to download the solution of object oriented programming with c++ by balaguruswamy. Urgent need. Please help. I need all review question ...

[1 reply] : http://lmgtfy.com/?q=c%2B%2B+by+balaguruswamy+solutions (by giblit)

by LinuxDude24

Monthly/yearly Appointment calendar

I have been looking for *with no success) a calendar library for C++. I am in the process of making an appointment scheduler basically as doctors or anyone in s...

[5 replies] Last: Maybe you could just have each day be represented by a sequence of app... (by Zhuge)

by tmason

Calling a defined function pointer from another pointer to a class object......

Hello, I am attempting to implement function pointers and I am having a bit of a problem. See the code example below; what I want to be able to do is call...

[10 replies] Last: Makes sense; then you would create over-ridable functions for the upda... (by tmason)

by cofresi91

error C1075: end of file found before the left brace '{'

//Header file section #include<iostream> using namespace std; template <class T> class SimpleVector { private: T *aptr; //To point to the allocated ...

[1 reply] : You're missing some closing }. If you can edit your post, highlight... (by wildblue)

by jasonwynn10

I need to finish this by tomorrow, PLZ HELP!!!

Could someone convert this code into one where you can input the file directory from the console? #define WIN32_LEAN_AND_MEAN // prevent windows.h from incl...

[2 replies] Last: The new program is: #define WIN32_LEAN_AND_MEAN // prevent windows.h ... (by jasonwynn10)

by vivienneanthony

I'm trying to do a simple compare and it's not working. Const char *

Hi Here is part of a simple function. The simple testing of equality doesn't work Even if the const char * inputfile is "generate". It stills fails. Vivienne...

[3 replies] Last: Thank you. It's resolved. (by vivienneanthony)

by mcprakash

Multi-threaded programming

Hi I am having two threads in my program. First thread (lets name Thread A) increments the value of global variable count(=0,1,...) and the second thread (sa...

[4 replies] Last: @mcprakash while Peter is busy, http://en.cppreference.com/w/cpp/atomi... (by Cubbi)

by MasterGeek

Learning more of C++

Right, I think I am putting this in the right place, if not I am sorry. I'm looking to learn more of C++, however I am struggling turning the information I kno...

[4 replies] Last: OK thanks for you help Computergeek01 , I think i will progress faste... (by MasterGeek)

by a710h

Issues Working with txt Files

Okay so suppose that a text file grade.txt contains an unspecified number of scores. How would I program that reads the scores from the file and displays all th...

[1 reply] : Open the file. Begin loop Read a score If end of file ... (by AbstractionAnon)

by northfly

What's worng with this class with a pointer member?

class cell_c:public point_c { public: double p; std::vector<const cell_c *> NP;// 8 Neighbors Pointer virtual bool calculateFD(numeric_t &...

[5 replies] Last: Ah... it was the pure virtual thing. (by Disch)

by bilgramiraza

Binary files Search Problem

i am working on a airport reservation program and i have run into a brick wall. i want to ask the user its name,gender,passport no,age, destination, and travel ...

[5 replies] Last: Have you tried using web search? Look for "turbo debugger" I can't r... (by kbw)

by abc1

difference between int and short int

size of int is 2 bytes and of short int is also 2 bytes.The range of values for int and short int are the same. Then why int and short int are used? only...

[4 replies] Last: Implementation defined means it depends on the compiler. (by Peter87)

by jasonwynn10

.wav player problem

This is the code I have: #include<iostream> #include<conio.h> #include<windows.h> using namespace std; int main (){ PlaySound("C:\Documents and S...

[5 replies] Last: I think I fixed it... #define WIN32_LEAN_AND_MEAN // prevent windows... (by jasonwynn10)

by Crogn

Summing two Matrices

Hey, I am very new at C++ and I am trying to figure out what the problem is with my code. I am just trying to get it to add two Matrices. // add Matric...

[2 replies] Last: Thank you, What is the correct way to get it to print out the matrix v... (by Crogn)

by vivienneanthony

Scale floats -7.8f/24.1f to range like 0.0f/1.0f. Example problem.

Hello I'm trying to scale the output of the diamond nose maker to values to 0.0f to 1.0f. From any pair of mininumY to maximumY. I was able to get it to partial...

[no replies]

by shim6463

Ceres solver compiling problems?

Hello. I am a beginner in C++ and Ceres solver. So, I tried to solve this problem but I couldn't. This is my code, #pragma comment ( lib, "ceres.lib" ) #pra...

[3 replies] Last: Alas, I am not going to install ceres on my PC, so I cannot help you m... (by Duthomhas)

by Rahal1813

error: expected template-name before ‘<’ token

Hello: I am writing a derived class, where I have to specify a virtual member function of the base class. The definitions of the member functions of the derived...

[9 replies] Last: sorry helious for the inconsistency, the modified error message: mSet... (by Rahal1813)

by SixTsevN

Custom Typecasts

Hey there, I'm interested to know how this c++ code works internally: (int)32 // or.. (char)32 // or.. (float)32 I'm interested in this typecasting o...

[4 replies] Last: Okay cool, Thank you very much. (by SixTsevN)

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General C++ Programming - August 2014 (Page 11)