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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.
Hi I''m trying to connect to CISCO router using termios. So I decided to have two threads one for reading data and the other one for writing data. The problem is that I have to add
Question : (a) How does a structure differ from an array? (b) Describe how a structure differs from a union? (c) Declare a union called ‘clothes' which consists of the
Pointer to function: int mul(int a, int b, int c) { return a*b*c; } void main() { int (*function_pointer)(int, int, int); function_pointer = &mul;
Explain the bit fields portable or not? - No, Bit fields aren't portable. - As Bit fields can't span machine words and number of bits in a machine word is different on diff
Change the matrix program (program 3) slightly. Overload == operator to compare two matrices to be added or subtracted. i.e., whether the column of first and the row of second
Explain the For Loop - Computer Programming? Similar to the while statement, for loop is an entry controlled loop and the code of the for loop will be executed itereatively. Th
write a pseudocode algorithm for a program that accepts a number and prints out its reciprocal(1/n) is required.the program should prevent the user from entering zero by asking t
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#include
Run the following C++ program with and without preprocessor variable POSTFIX defined. #include using namespace std; extern "C" int atoi( const char *str );
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