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From: | "Per" <wga955m AT tninet DOT se> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | include conio and math |
Date: | Wed, 6 Oct 2004 16:08:34 +0200 |
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Hi again! I solved the problem by changing as downbelow. I saw this on an earlier answer. #include <iostream> using namespace std; int main(void) { cout << "hello" << endl; return 0; } However I tested with a new program and this time conio and math does not work. I am using version 3.42 and C:\cbl\lab\nyalab>gpp -o i.exe i.cc i.cc:8:17: conio: No such file or directory (ENOENT) i.cc:10:16: math: No such file or directory (ENOENT) i.cc: In function `int main()': i.cc:20: error: `clrscr' undeclared (first use this function) i.cc:20: error: (Each undeclared identifier is reported only once for each funct ion it appears in.) i.cc:29: error: `getch' undeclared (first use this function) i.cc: In function `void calculate(double)': i.cc:65: error: `sqrt' undeclared (first use this function) #include <iostream> using namespace std; #include <conio> #include <iomanip> #include <math> #define ESC 27 double readIn(); void calculate(double number); int main() { do { clrscr(); double number; while(number>0) { clrscr(); number = readIn(); calculate(number); } }while(getch()!=27); return 0; } double readIn() { double number; cout << " STATISTIKCALCULATION\n"; cout << "====================\n"; cout << "\n\nEnter in number : "; cin >> number; cout <<endl; return number; } void calculate(double number) { int calculate_number=0; double square=0; double average=0; double sd; if(!number < 0) { calculate_number++; average+=number; average/=calculate_number; square+=number*number; } if(number < 0) { sd=sqrt(((square-calculate_number*(average*average))/(calculate_number-1))); cout << "Average =: " << average << endl; cout << "SD = : " << sd << endl; } }
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