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[C++]My longest code and my best creation so far
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appalsap
Moderator

Reputation: 0

Joined: 27 Apr 2006
Posts: 6753
Location: Pakistan

Posted: Fri Feb 01, 2008 4:49 pm Post subject:

You don't need to add a bunch of cases, when a div by 0 occurs an exception is thrown and you can catch that.

BEO-WULF
Expert Cheater

Reputation: 0

Joined: 27 Jan 2008
Posts: 138
Location: Green Bay, Wisconsin

Posted: Sat Feb 02, 2008 2:01 am Post subject:

Losplagos wrote:

Code:

#include "Rev0"
using std::cout;
using std::cin;
using std::endl;
using losBasicI::inpute;
using losBasicI::input;
using losBasicI::inputmm;
using losBasicMath::losRound;
double add (double x, double y);
double mult(double x,double y);
double deduct(double x,double y);
double divide(double x ,double y);

int main()
{
double x = 0.0, y = 0.0;
int choose = 0;
bool loop = true;
while(loop == true)
{
cout << "0:Quit" << endl << "1:adding" << endl << "2:deducting" << endl << "3:multiplying" << "\n" << "4:dividing"<< endl << "Please make your choice: " ;
choose = inputmm(0,5);
switch(choose)
{
case 0:
cout << "Good bye" << endl;
loop = false;
break;

case 1:
cout<<"Please input the first number to be added: ";
x = losRound<double>(input<double>(),4);
cout << "2nd number please:" ;
y =losRound<double>(input<double>(),4);
cout<< x << "+" << y << "=" << losRound<double>(add ( x, y ),4) << endl;
break;
case 2:
   cout << "Please input the first number to be deducted: ";
   x = losRound<double>(input<double>(),4);
   cout << "2nd number please: " ;
   y = losRound<double>(input<double>(),4);
   cout << x << "-" << y <<"=" << deduct(x , y) << "\n" ;
break;
case 3:
   cout << "Please input the first number to be multiplied: " ;
   x = losRound<double>(input<double>(),4);
   cout << "2nd number please: " ;
y = losRound<double>(input<double>(),4);
cout << x << " times " << y << "=" << losRound(mult(x, y), 4) << endl;
   break;
case 4:
   cout << "Please input the first number to be divided: " ;
   x = losRound<double>(input<double>(),4);
   cout << "2nd number please: " ;
   y = losRound<double>(inpute<double>(0),4);
   cout << x << "/" << y << "=" << losRound(divide(x,y),4) << endl;
   break;
}
}
}

double add (double x,double y )
{
return x + y;
}
double mult (double x,double y)
{
return x*y;
}
double deduct(double x ,double y)
{
return x-y;
}
double divide(double x,double y)
{
return x/y;
}

Cleaned up the code a little and here is Rev0 make sure it is in the same directory as the .cpp file.

Code:

#include <iostream>
#include <math.h>
namespace losBasicI
{
template <typename T>
T input()
{
T returnvalue;
std::cin >> returnvalue;
while (std::cin.fail())
{
std::cout << "Bad input Try again: ";
std::cin.clear(); // Clear failbit
std::cin.sync(); // Sync the stream
std::cin >> returnvalue; // Try again
}
return returnvalue;
}

template <typename T>
T inputmm(T min, T max) //Always use this before a switch No execeptions
{
T returnvalue;
std::cin >> returnvalue;
while(std::cin.fail()||returnvalue < min||returnvalue > max)
{
std::cout << "Bad input Try again: ";
std::cin.clear(); // Clear failbit
std::cin.sync(); // Sync the stream
std::cin >> returnvalue; // Try again
}
return returnvalue;
}
template <typename T>
T inpute(T equal)
{
T returnvalue;
std::cin >> returnvalue;
while(std::cin.fail()||returnvalue == equal)
{
std::cout << "Bad input Try again: ";
std::cin.clear(); // Clear failbit
std::cin.sync(); // Sync the stream
std::cin >> returnvalue; // Try again
}
return returnvalue;
}
} // End of namespace losbasici

namespace losBasicMath
{
template <typename T>
T losRound(T num, int decimalplaces)
{
switch(decimalplaces)
{
case 1:
num = floor(num*10)/10;
break;
case 2:
num = floor(num*100)/100;
break;
case 3:
num = floor(num*1000)/1000;
break;
case 4:
num = floor(num*10000)/10000;
break;
case 5:
num = floor(num*100000)/100000;
break;
case 6:
num = floor(num*1000000)/1000000;
}

return num;
}
}

If you need help with Rev0 feel free to ask it is just for rounding and checking your input.

--------------------------------------------------------------------------------
its the dll code .exe its been broken up into 3 main sequinces and [Q!=0] is reproduced version of the numerical number that does not equal to the right number thats why it crashed is becuase it cant equal to its self only to the last partal code.
---------------------------------------------------------------------------------
_________________

4 L1F3 ( + [__] : : ) 4 L1F3

NuclearPowered
Master Cheater

Reputation: 0

Joined: 30 Dec 2007
Posts: 345

Posted: Tue Feb 05, 2008 3:22 pm Post subject:

Lol it exits when you fill in a number like 54 at the menu...

mine is better

(use dev C++ to access the whole project)

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