C++ :: Calculate Bond Price Given A Certain YTM Using Class Method
Feb 22, 2015
I have been trying to calculate the bond price given a certain YTM using class method. Since the YTM and bond price are linked with each other(there is another question asking us to calculate the YTM with a given price),we put price and YTM in "private" and others variables in"public". Actually, this is the format given in my assignment.
I used "getvalue" to get the value of YTM, and used YTM in the formula of bond price calculation. However, the output of the price is infinite, while the output of price is right if I used a specific value of YTM(such as 0.05) in the formula. It means that I didn't successfully get right value of YTM.
#include <iostream>
#include <cmath>
using namespace std;
class bond{
public:
bond(){};
[Code] .....
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Feb 2, 2015
I have a question similar to the one here: [URL] .....
The main difference is I would like to pass a method of derived class as a parameter to some other method in its template base class.
template <typename BaseType>
class Base {
public:
typedef void (Base::*Callback)(int A);
[Code] .....
The above is an example which does not compile. My compiler complains that the two BaseMethod() calls in DerivedMethod() are invalid uses of non-static member function.
Is this not possible to do, or is my syntax simply wrong? All I want is to be able to pass as an an argument to a method in the base class from the derived class some callback as a variable for the base class to invoke later.
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Sep 14, 2014
I want this programming to call functions choose between a customer type and call the relevent function to calculate the final price but it is not calling the functions.
#include <iostream>
using namespace std;
double amount;
double studendOrPensioner(int&choice, double &origPrice);
double OtherCustomers(int&choice,double& origPrice);
[Code]...
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Apr 25, 2013
SYNOPSIS : KBJ tourist agency Sdn. Bhd wants you to write an application program to calculate the total price for their customers for a package of vacation. The following table shows the price for three destinations (transportation and accommodation) offered by the agency:
Destination TransportationAccommodation
Pulau Redang Child RM15.00
Adult RM30.00RM95 per day
Pulau Perhentian Child RM20.00
Adult RM30.00 RM100 per day
Pulau Kapas Child RM10.00
Adult RM20.00 RM120 per day
This agency company will give some discount to a group of customers with is:
a.10% discount will be given for the group that has a least 5 adults.
b.25% discount will be given for the group that has more than 5 persons (adults and children)
c.30% discount will be given for the group that has at least 15 persons.
Your application program has to display the output using this following screen layout:
KBJ TOURIST CUSTOMER INFORMATION
Customer’s name: XXXXXXXXXXXXX
Number of Children:XXXXX
Number of Adult: XXXXX
Transportation: RMXXX.XX
Accommodation: RMXXX.XX
Total price: RMXXXX.XX
This is the code i got so far but it doesn't work..:(
#include <iostream.h>
int main () {
char customerName,code,A,B,C;
int childNum,adultNum;
double rate,discount,totalPrice,a,c;
[Code] .....
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Jul 15, 2014
I would like to know if there's a way to make a method from a derived class a friend of its base class. Something like:
class Derived;
class Base {
int i, j;
friend void Derived::f();
protected:
Base();
[Code] ......
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May 27, 2013
I have 2 c++ libraries called "Lib1" and "Lib2". Both libraries have same class called "Total.h and Total.cpp"
I want to access lib1 class in lib2. since it has same class (i.e same header file), i couldn't refer lib1's members in lib2.
Lib 1 :
Total.h :
class Total {
public:
static void Test(double);
[Code] .....
How to access another library which has same name and how to add header file ?
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Jan 7, 2015
Basically am trying to reference a method in a my Form1 class into another class. So far I have tried multiple different methods to try and access the method but have not managed it so far. Both classes use the same namespace. The part of my form class that I am using are as follows:
public class Form1 : Form
{
IContainer components = null;
private ButtonPanelThread p1, p3, p4;
[Code]....
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May 17, 2013
When the below is done, does it call the constroctor only, and if yes, constructors do not have return types so how does it work? is there anything behind the scene?
wxAddHandler(new wxPNG_HANDLER);
and
sf::RenderWindow(sf::VideoMode(...),...);
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Jul 8, 2014
Code:
class A {
public:
template<class T>
ObjectsBase* createObject(T* objType, Ogre::String name, Ogre::Vector3 position);
};
template<class T>
ObjectBase* A::createObject(T* objType, Ogre::String name, Ogre::Vector3 position);
My goal is to create any ObjectBase* derived object and return it to class A....
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Aug 1, 2014
Code:
bool CObject<class T>::Create(LPDIRECT3DDEVICE9 pDevice, T *pMesh, float fAnimSpeed) {
if(pMesh == NULL)
return false;
m_pDevice = pDevice;
m_pMesh = pMesh;
if(m_pMesh->GetAnimController() != NULL) {
DWORD dwNumAnimSet = m_pMesh->GetAnimController()->GetMaxNumAnimationSets();
In here, T can be from the class CMesh * or CSkinnedMesh *, both have signature of GetAnimController
This maybe a flaw in my design... But I want Create to accept any kinds of meshes.
Should I create an interface or abstract class above all of those?
I have added an IMesh class that every derived classes has to have the needed interface.
But since then, I have another question, I feel that it is very cumbersome to include a template argument in every class/prototype that is associated with CObject
Say
bool CreatePlanesFromObject(CObject *pObject, D3DXPLANE *pPlanes);
Requires me to do this
template<class T> bool CreatePlanesFromObject(CObject<T>* pObject, D3DXPLANE* pPlanes);
Any ways I can omit the template argument, because it doesn't make sense to know the Mesh type in other classes...
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Jan 16, 2013
it seems that I cannot define a method of an inner nested class if it is a private class. for example:
class outter {
class nested {
void foo ( void ) {} // okay - but is this inline?
} void inner::foo( void ) {} // not okay - cannot define inside another class
} void outter::inner::foo( void ) {} // not okay - 'nested' class is private!
what I want to know is, is there another way to define an inner class's method? and if not, is it eternally doomed to be inline because it has to be declared inside it's own class declaration?
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Feb 23, 2013
I have read the book over and over and I thought I understand "CLASS". But when I applied it and write the code the compiler tells me that there is a compiling error.
1. I have this method addProduct(Product* pProduct) in a Class called ProductRack, the code is in ProductRack.cpp file. The declaration of the Class methods and private variables are in ProductRack.h header file.
2. But when I call a method in the DeliveryCHute Class from the ProductRack Class I get a compiler errors which are these:
A.IntelliSense: a nonstatic member reference must be relative to a specific object
B.error C2352: 'Project1::DeliveryChute::insertProduct' : illegal call of non-static member function
And this is causing the error:
if (Project1::DeliveryChute::insertProduct(pProduct) == false)
//THIS IS JUST ONE METHOD INSIDE ProductRack.cpp
bool
Project1::ProductRack::addProduct(Product* pProduct) {
// Todo : Implementing
if (Project1::DeliveryChute::insertProduct(pProduct) == false)
return true;
[Code] .....
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Apr 11, 2014
There is any method to compile a method of a class separately from the other methods and the main.
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Jun 25, 2014
I am having problems invoking methods in a nested class using reflection. I have the following:
A parent class, Group, that holds instances of a simple class called Signal. I want to modify the number of instances inside the group class often. So, all my code has to be dynamic and use reflection to know how many instances of signal there are inside the Group class.
class Group{
public static Signal name1 { get; set; }
public static Signal name2 { get; set; }
public static Signal name3 { get; set; }
[Code]....
I had no luck invoking the method of the instances of signal class that are inside the Group class. I tried getting the methods name using getMethods() but could not navigate through the syntax.
How could I invoke and pass parameters to the method of the instances of signal using reflection? Is there a better way of accessing the properties and methods of nested classes?
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Jun 23, 2014
I have this proxy class generated from a webservice:
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.Xml", "4.0.30319.18408")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(Namespace="java:se.atg.aisbean.calendar")]
public partial class RaceDayCalendarSimple : object, System.ComponentModel.INotifyPropertyChanged {
[Code] ....
I'm trying to access this method "RaceDaySimple[] raceDay" and display it on "WebForm1.aspx":
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebServiceClient.WebForm1" %>
<!DOCTYPE html>
[Code] ....
So on "WebForm1.aspx.cs" I'm trying to access the method "RaceDaySimple[] raceDay" and display it inside the div "test":
test.InnerHtml = pbs.fetchRaceDayCalendarSimple().raceDay;
But I'm getting the error:
Cannot implicitly convert 'WebServiceClient.InformationServiceReference.RaceDaySimple[]' to 'String'
So how do I acces this method proparly and display the content on "WebForm1.aspx" inside the div "test"?
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Apr 3, 2013
How to use static in a class, function and variable.
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Jun 16, 2012
can we give the restriction to method for a particular class
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Jan 22, 2015
PHP Code:
class B {
public:
template<class T>
T foo(){}
};
class D1:public B {
[Code] ....
I have that code piece and would want it to work but it doesn't.
Error "Error2error C2993: 'double' : illegal type for non-type template parameter '__formal' ....
I have no choice and have to use double and float for template typename when specializing. I tried to wrap it up like this
PHP Code:
typedef struct DOUBLE {
DOUBLE(double d){ val = d; }
double val;
};
but it's of no use.
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Mar 23, 2014
I'm still working on my process API, as in my previous posts. Right now I'm trying get my class portable so I can use it for any language/compiler by using a factory design pattern. I'm having problems figuring out how to call the methods properly from my interface pointer in my factory class without causing a segmentation fault.
Code: main.cpp
Code: #include "exports.h"
#include <iostream>
using namespace std;
[Code]......
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Jan 21, 2013
I want to specialize a particular function for Integer datatype inside a class template. My XX.h will be
namespace ZZ {
template <class T>
class XX {
void doSomething(T x);
};
}
provide me XX.cpp which has template specialization for the function doSomething on Integer datatype.
I tried the following in XX.cpp
#include "XX.h"
using namespace ZZ;
template <class T>
void XX<T>::doSomething(T x) {
[Code] ...
But this code is not working.
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Feb 10, 2013
class IFoo {
virtual void Bar() = 0;
};
class FooAbstract {
virtual void Bar() {}
[Code] .....
How to call the Bar() method from FooTemplate in FooDerived::Bar()?
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Jan 21, 2014
So I'm rewriting an old project of mine, and I'm trying to determine if there's truly any better way to map the data taken from a text file "dictionary" into the correct class fields for further processing. For example:
FNAME=MY_FIRST_NAME
ADDR=123 SOMEWHERE LN, NOWHERESVILLE, TX 01234
LNAME=MY_LAST_NAME
TOTCALLS=47
In each of these, I'd need the "value" (MY_FIRST_NAME, MY_LAST_NAME, etc) from the "keys" (FNAME, LNAME, etc) to be mapped to the proper class fields. Say, for example, I had this:
Class DataProcessing {
public string Address;
public string FirstName;
public string LastName;
public int TotalCalls;
...
}
I would need DataProcessing.Address to be set to the value in the ADDR key/value pair. The same would be true for each other field. The problem is that based on the text file's source (which isn't under my control, and won't be changed anytime soon), the key/value pairs are not always in the same place...so a second file could have the data as such:
TOTCALLS=47
ADDR=123 SOMEWHERE LN, NOWHERESVILLE, TX 01234
LNAME=DARKPOETCC'S LAST NAME
FNAME=DARKPOETCC'S FIRST NAME
Any smarter way to do this than looping through each line that was read in from the file, and determining where it belongs, such as (pseudo code follows):
IF FieldName == "TOTCALLS" THEN
//Assign to TotalCalls field
ELSEIF FieldName == "ADDR" THEN
//Assign to Address field
ELSEIF FieldName == (You get the picture...)
//Do thing N_Field
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Dec 4, 2014
I am writing my program on C++ language. I have one promblem. I need to set signal handler for my process. As the signal is related with the process on system level I have faced the problem.
My program consists several classes. They are connected together. But it doesn't metter in this case. The problem is that I need to access to member and methods of the class from my signal handler. For instance , I have class named Foo at it has some members and methods.
So from my handler I need to call its function and change members.
I understand that compiler should know that this class instances will exist during all program execution.
I have tried to set static member class Foo instance in another class , but this didn't solve the problem.
What is correct approach to do this. How to correctly implement signal handling in such case.
Here is example of my code
Code:
class MyContainer{
private:
std::vector<Foo> container;
public:
int removeFromContainer(Foo* aFoo) {
[Code] .....
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Jan 17, 2013
I've been trying for more than one month to access a method found in a library called libcocosnas_static.a. I'm using Cocos2d-X version 2.0.4. The library has been used many times by my company to make games using cocos2d-1.0.1-x-0.12.0 without any problem.
This is what I've done:
1- I added the include paths of the library to both eclipse and Android.mk
2- Included the .h file using #include "NASPlatformUtil.h"
3- Added the libcocosnas_static.a file to the proj.androidobjlocalarmeabi folder
4- Added "LOCAL_WHOLE_STATIC_LIBRARIES += cocosnas_static" to the Android.mk file
5- Called the function using: NASPlatformUtil:: openUrl("http://xxx.xxx.com/");
I can right click on the function, click Open Declaration and get it without any problem, but the compiler keeps on giving me that dreaded error...
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Jan 16, 2013
I am trying to create a small function that can return the mean of an object of array class, not a simple array.
Declare and initiate the array:
array<double, 100> myArray = {};
myArray.fill(1.0);
function to calculate mean:
double mean_array(double *array)
{
double sum = 0.0;
for(int i=0; i<sizeof(array); i++)
sum += array[i];
return sum / sizeof(array);
}
However, it does not work. It seems it is incompatible with the array definition.
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Sep 7, 2013
// Program to calculate fine using class.
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<string.h>
class library {
long bookid;
char bookname[25];
[Code] ....
In the above program, how do I call the diff. constructors in main?
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