gists/c-programming/experiments/bool-operations.c

/*
 * bool-operations.c
 *
 * Author: Intel A80486DX2-66
 * License: Unlicense
 */

#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

#define BOOL_TO_STR_PADDED(x) ((x) ? "true " : "false")
#define SHOW_BOOL_INT printf("boolean = %s (0x%d) | integer = %s (0x%d)\n",   \
                             BOOL_TO_STR_PADDED(boolean), (int) boolean,      \
                             BOOL_TO_STR_PADDED(integer), (int) integer)

int main(void) {
	bool boolean = false;
	unsigned char integer = (unsigned char) boolean;
	printf("Loop:\n");
	for (uint8_t i = 0; i < 3; i++) {
		SHOW_BOOL_INT;
		boolean++; integer++;
	}

	printf("\n* 2:\n");
	boolean *= 2; integer *= 2;
	SHOW_BOOL_INT;

	printf("\n<< 1:\n");
	boolean <<= 1; integer <<= 1;
	SHOW_BOOL_INT;

	printf("\n/ 2:\n");
	boolean /= 2; integer /= 2;
	SHOW_BOOL_INT;

	printf("\n^ 0x10:\n");
	boolean ^= 0x10; integer ^= 0x10;
	SHOW_BOOL_INT;

	printf("\n>> 1:\n");
	boolean >>= 1; integer >>= 1;
	SHOW_BOOL_INT;

	return EXIT_SUCCESS;
}