Write a program to compute the equation, C/C++ Programming

Assignment Help:

  Write a program to compute the following equation for values of time.  
 
      y = 2x+3
 
The values of time are stored in the file program.dat and the solution should be displayed on the screen and stored in a file called program.out.
 
Answer
 
  #include stdio.h
  #include stdlib.h
  void main()
    {
    char prompt;
    
     Date: 26th August 2012 
    Version 1.0 
    Function : ASCII file handling       
     Modifications:   none*/
 
  /* Define I/O streams */
  FILE *fptr,*fptw;
  float x,y;
  fptr = fopen("program.dat","r");

  if (fptr == NULL)  
  {
  /* Check for error */
  printf("Cannot find the file program.dat\n\r");
  exit(1);
  }
  fptw = fopen("program.out","w");
  if (fptw == NULL)
  {
    /* Check for error */
 
  printf("Cannot create a new file called program.out");
  fclose(fptr);
  exit(1);
  } 
  while (fscanf(fptr,"%f",&x) != EOF)
  {
  /* This repeats the read till fscanf returns back an End of file marker i.e No 
data left */
   y = 2*x+3;
  printf("X = %f Y=%f\n\r",x,y);
  fprintf(fptw,"X = %f Y=%f\n\r",x,y);
  }
  printf("I have finished the computation\n\r");
  fclose(fptr);
  fclose(fptw); 
  printf("Press and key to exit \n\r");
  scanf("\n%c",&prompt);
  }
 
Original data can be entered using the application 'NOTEPAD', or 'Edit' likewise the output can be read by Notepad or any word processor set to text mode.


Related Discussions:- Write a program to compute the equation

How do you know that your class requires virtual destructor, How do you kn...

How do you know that your class requires a virtual destructor? A: If at least your class has one virtual function, you must make a destructor for this class virtual. It will let

Conversion operator, What is conversion operator? Explain it with example.

What is conversion operator? Explain it with example.

Program to find the number, i need a program that find the number of negati...

i need a program that find the number of negative integers in a list.

#titlethe Average Temperature in Paradise.., Writing and compiling a progra...

Writing and compiling a program from a given Use Case definition. Follow the Average Temperature in Paradise

Read three ints from keyboard and store seperatly , Suppose that three inte...

Suppose that three integer variables intA, intB, and intC have already been defined at the beginning of the main function, write a single C++ statement to read three integers from

Classes, write a grading program for a class with the following grading pol...

write a grading program for a class with the following grading polices: a.there are two quizzes eaxh graded on the basis of 10 points b.there is ome midterm exam and one final exam

Data Handling in computers, though the ascii is called 7-bit code. why do w...

though the ascii is called 7-bit code. why do we use 8-bits to represent a character?

Explain the function fseek, Question: (a) Explain the function fseek()....

Question: (a) Explain the function fseek(). Using an appropriate example, write the full syntax for this function. (b) Write a C or C++ program that will perform the follo

Wap to print the largest number from any 10 numbers, WAP TO PRINT THE LARGE...

WAP TO PRINT THE LARGEST NUMBER FROM ANY 10 NUMBERS #include stdio.h> #include conio.h>   void main()   {                    int a[10],i,max;

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd