first commit

sudoku_n/sudoku,h

@@ -0,0 +1,92 @@
+#ifndef SUDOKU_H
+#define SUDOKU_H
+typedef struct field_t {
+	unsigned int value;
+	unsigned int selected;
+	unsigned int initial;
+	unsigned int column;
+	unsigned int row;
+	unsigned int index;
+	unsigned char box;
+} field_t;
+
+field_t * new_field(){
+	field_t * field = (field_t *)calloc(1,sizeof(field_t));
+	return field;
+}
+
+typedef struct row_t {
+	unsigned int index;
+	field_t * columns;
+	unsigned int column_count;
+} row_t; 
+
+row_t * new_row(unsigned int size) {
+	row_t * row = (row_t *)calloc(1, sizeof(row));
+	row->columns = calloc(size,sizeof(field_t));
+	row->index = 0;
+	return row;
+}
+
+typedef struct grid_t {
+	unsigned int size;
+	unsigned int row_count;
+	unsigned int field_count;
+	row_t * rows;
+	field_t * fields;
+	field_t * (*get)(struct grid_t * grid, unsigned int row, unsigned int col);
+	field_t * (*get_empty_field)(struct grid_t * grid);
+} grid_t;
+
+field_t * grid_get(grid_t * grid, unsigned int row, unsigned int col){
+	return &grid->rows[row].columns[col];
+}
+field_t * grid_get_empty_field(grid_t *  grid){
+	for(int i = 0; i < grid->size * grid->size; i++){
+		printf("AT:%d\n",i);
+		printf("V:%d\n",grid->fields[i].value);
+		printf("V2:%d\n",grid->rows[i].columns[i].value);
+		printf("V2:%d\n",grid->get(grid,i,i)->value);
+		if(grid->fields[i].value == 0)
+			return &grid->fields[i];
+	}
+	return NULL;
+}
+
+char get_box_letter(grid_t * grid, unsigned int row, unsigned int col){
+	//char box_letter = 65 + (row)*grid->size / grid->size / 3 + row;  // (row*grid->size+col)+(grid->size / 3);// + grid->size % (grid->size / 3));
+	char box_letter = 65 + ((row % (grid->size / 3))) + grid->size % (grid->size / 3);// (row-1)*grid->size+(col-1)+(row-1)+(col-1); 
+		//(65 + row * (grid->size / 3) % (grid->size / 3)+col);  /// (grid->size / 3));
+	return box_letter;
+}
+
+
+grid_t * new_grid(unsigned int size){
+	grid_t * grid = (grid_t *)calloc(1,sizeof(grid_t));
+	grid->get = grid_get;
+	grid->get_empty_field = grid_get_empty_field;
+	grid->size = size;
+	grid->row_count = 0;
+	grid->rows = (row_t *)calloc(size, sizeof(row_t));
+	grid->fields = (field_t *)calloc(size*size, sizeof(field_t));
+	for(unsigned int irow = 0; irow < size; irow++){
+		row_t * row = new_row(size);
+		row->index = grid->row_count;
+		row->column_count = size;
+		grid->row_count++;
+		grid->rows[row->index] = *row;
+		for(unsigned int icol = 0; icol < size; icol++){
+			unsigned int field_index = irow * size + icol;
+			field_t * field = new_field();
+			field->column = icol;
+			field->row = irow;
+			field->index = field_index;
+			field->box = get_box_letter(grid, irow, icol);
+			row->columns[icol] = *field;
+			grid->fields[field_index] = *field;
+			grid->field_count++;
+		}
+	}
+	return grid;
+}
+#endif