Reference « Dimensional Array « C Array Q&A

1. Reference a 2-D array column in C?    stackoverflow.com

Is there an easy way to reference a column in a 2-D array as a separate 1-D array in plain old C (not C++ or C#)? It's easy to do this ...

2. Referencing one Dimension of a Two-Dimensional Array    stackoverflow.com

I have some C code that works great, but I do not understand one part of the code. In this part it passes a method two pointers to a two dimensional ...

3. MPI_Waitall segfaults - referencing 2d array    stackoverflow.com

I'm having trouble with MPI_waitall causing a segfault, I intend for it to read a row of a 2d array of statuses/requests

for(k=0;k<NoProc-1;k++){
    MPI_Waitall(numRows,&sRequest[k][0],&sStatus[k][0]);

sStatus=(MPI_Status**) ...

4. Reference to an Array of some dimension    bytes.com

this programme gives unusual output. i am not able to find out where the semantic bug lies: /* C++ Primer - 4/e * * an example from section section 7.2.4, page 241 * STATEMENT * write a function that prints the elements of an array. don't use pointer to an array as parameter because pointer will be copied, use reference to ...

5. Passing a 2d array by Reference    cboard.cprogramming.com

In C all arrays are passed by reference, that is the variable is the address of the first element of the array. The trouble you may be having in the second program which uses pointer notation is with referencing each element via it's pointer. You have to be careful when passing arrays to a function if you do not wish to ...

6. how can i pass by reference by "malloc 2d array"?    cboard.cprogramming.com

Code: #include #include #include #define max(a,b) ((a)>(b)?(a):(b)) #define min_range 1 #define max_range 20 void init(int **a, int *n) { int i, j; FILE *f; srand(time(NULL)); printf("n = "); scanf("%d", n); a = (int**)malloc((*n)*sizeof(int*)); for (i = 0; i < *n; i++) a[i] = (int*)malloc((*n)*sizeof(int)); f = fopen("FindMaxValue.dat", "w"); fprintf(f, "%d\n", *n); for (i = 0; i < *n; ...

7. Passing 2D Array by Reference    forums.devshed.com