//SPDX-License-Identifier: LGPL-2.0-or-later
/*

  Copyright (C) 2020 Cyril Hrubis <metan@ucw.cz>

*/

#include <stdio.h>
#include <utils/gp_matrix.h>

static void print_int_matrix(int *payload, size_t cols, size_t rows)
{
        size_t col, row;
        gp_vec *vec = GP_VEC(payload);

        printf("gp_matrix { .unit = %zu, .length = %zu, .capacity = %zu, .payload = [\n ",
               vec->unit, vec->length, vec->capacity);

        for (row = 0; row < rows; row++) {
                for (col = 0; col < cols; col++)
                        printf("\t%i", payload[gp_matrix_idx(rows, col, row)]);
                printf("\n");
        }
        printf("]}\n");
}

int main(void)
{
        size_t cols = 2, rows = 3;
        int *ints = gp_matrix_new(cols, rows, sizeof(int));
        size_t col, row;

        for (row = 0; row < rows; row++) {
                for (col = 0; col < cols; col++)
                        ints[gp_matrix_idx(rows, col, row)] = row + 1;
        }

        printf("Initial 3x3 matrix: ");
        print_int_matrix(ints, cols, rows);

        printf("Inserted 2 columns at 1: ");
        ints = gp_matrix_cols_ins(ints, rows, 1, 2);
        cols += 2;
        print_int_matrix(ints, cols, rows);

        printf("Deleted 1 column at 1: ");
        ints = gp_matrix_cols_del(ints, rows, 1, 1);
        cols -= 1;
        print_int_matrix(ints, cols, rows);

        printf("Inserted 2 rows at 1: ");
        ints = gp_matrix_rows_ins(ints, cols, rows, 1, 2);
        rows += 2;
        print_int_matrix(ints, cols, rows);

        printf("Deleted 1 column at 1: ");
        ints = gp_matrix_cols_del(ints, rows, 1, 1);
        cols -= 1;
        print_int_matrix(ints, cols, rows);

        printf("Deleted 2 rows at 1: ");
        ints = gp_matrix_rows_del(ints, cols, rows, 1, 2);
        rows -= 2;
        print_int_matrix(ints, cols, rows);

        gp_matrix_free(ints);

        return 0;
}