#pragma once

#include <stddef.h>
#include <stdio.h>
#include <stdbool.h>
#include <complex.h>

//grid write errors
#define GRID_NO_DATA 1
#define GRID_WRITE_ERROR 2

#define GRID_MAGIC_NUMBER 0xA6005E

typedef struct {
    size_t x;
    size_t y;
    size_t size;
    double complex lower_left;
    double complex upper_right;
    size_t* data;
} grid_t;

grid_t* create_grid(const size_t x, const size_t y, double complex lower_left, double complex upper_right);
void set_grid(grid_t* grid, const size_t val);
grid_t* copy_grid(const grid_t* grid);
void free_grid(grid_t* grid);
bool grid_equal(const grid_t* grid1, const grid_t* grid2);
bool grid_allclose(const grid_t* grid1, const grid_t* grid2, const size_t max_error);

double complex grid_to_complex(const grid_t* grid, const size_t index);

int write_grid(FILE* restrict file, const grid_t* grid);
grid_t* read_grid(FILE* restrict file);