// Driver to test 2d array functions

#include "array2d.h"

int main(int argc, char *argv[]) {
    if (argc != 3) {
        fprintf(stderr, "Usage: %s rows cols\n", argv[0]);
        return -1;
    }
    const int rows = atoi(argv[1]);
    const int cols = atoi(argv[2]);

    // Create an array and fill with values from zero up
    double ** array = array2dAlloc(rows, cols);
    for (int r = 0; r < rows; ++r) {
        for (int c = 0; c < cols; ++c) {
            array[r][c] = r * cols + c + .5;
        }
    }
    array2dDisplay(array, rows, cols);
    /* Comment out these two lines until you implement transpose */
    array = array2dTranspose(array, rows, cols);
    array2dDisplay(array, cols, rows);
    array2dFree(array);


    // Do again, with rows and cols reversed, half as many cols
    const int rows2 = cols/2;
    const int cols2 = rows;
    array = array2dAlloc(rows2, cols2);
    for (int r = 0; r < rows2; ++r) {
        for (int c = 0; c < cols2; ++c) {
            array[r][c] = r * cols2 + c + .1;
        }
    }
    array2dDisplay(array, rows2, cols2);
    array2dFree(array);

    return 0;
}