MatrixIO.c

#include <stdio.h>
#include "A2Matrix.h"

void enterRC(int matrix[30][30], int *R, int *C, char matrix_name)
{
    //enter number of row and column of a matrix
    int r, c;
    do
    {
        r = 0, c = 0;
        printf("Enter row of matrix %c: ", matrix_name);
        scanf("%d", &r);
        printf("Enter column of matrix %c: ", matrix_name);
        scanf("%d", &c);
        *R = r;
        *C = c;
        if (r <= 0 || c <= 0)
            printf("\n\nError code: 100222\nMath Error!!!\nNumber of row and column must be positive integers\n\n");
    } while (r <= 0 || c <= 0);
}

void enterMatrix(double matrix[][30], int R, int C)
{
    //initialize the matrix
    int i, j;
    printf("Enter index\n");
    for (i = 0; i <= R; i++)
        for (j = 0; j <= C; j++)
        {
            matrix[i][j] = 0;
        }
    //enter index of matrix
    printf("\n\n");
    for (i = 1; i <= R; i++)
    {
        for (j = 1; j <= C; j++)
        {
            printf("Enter a[%d][%d]:  ", i, j);
            scanf("%lf", &matrix[i][j]);
        }
        printf("\n");
    }
    printf("\n\n");
}

void outputMatrix(double matrix[][30], int R, int C)
{
    //print matrix in double
    int i, j;
    printf("\n\n");
    for (i = 1; i <= R; i++)
    {
        for (j = 1; j <= C; j++)
            printf("%10.10f\t\t", matrix[i][j]);

        printf("\n\n");
    }
    printf("\n\n");
}