/*
 * programming_binary_hex.c
 *
 *  Created on: Sep 22, 2024
 *      Author: johnsontimoj
 */
/////////////////////////////////////
//
// A few examples of programming binary values
//
// inputs: user
// outputs: prints
//
/////////////////////////////////////
#include <stdio.h>
#include <stdint.h>

int main(void){
	setbuf(stdout, NULL);

	// splash
	printf("--------------------------------\n");
	printf("-- practice with ints and floats\n");
	printf("--------------------------------\n\n");

	int8_t intval8;
	uint8_t uintval8;
	float float_val;
	float float_valb;
	int hex_val;

	intval8 = 127;
	uintval8 = 255;
	float_valb = 2.5;
	float_val = 2.3;

	// signed wrapping
	printf("8 bit signed int: %i\n", intval8);
	intval8++;
	printf("8 bit signed int: %i\n", intval8);
	--intval8;
	printf("8 bit signed int: %i\n", intval8);

	// unsigned_wrapping
	printf("8 bit signed int: %i\n", uintval8);
	uintval8++;
	printf("8 bit signed int: %i\n", uintval8);
	--uintval8;
	printf("8 bit signed int: %i\n", uintval8);

	// float resolution limitations
//	while(1){
//		printf("Please enter a float value: ");
//		scanf("%f", &float_val);
//		printf("float_val is %f\n", float_val);
//		printf("float_val is %.10f\n", float_val);
//
//	}// end while

	// more float resolution limitations
	printf("example: 1,000,000 * (2.5 - (2.2 + 0.3)) = %.10f\n", 1000000 * (2.5 - (2.2 + 0.3)));
	printf("example: 1,000,000 * (2.5 - (2.2 + 0.3)) = %.10f\n", 1000000 * (float_valb - (float_val + 0.2)));

	// print in hex
	while(1){
		printf("enter a value in hex: ");
		scanf("%x", &hex_val);
		printf("This is hex: %x\n", hex_val);
	} // end while


	return 0;
}// end main