IEEE754 single precision float memory read

ieee754.c

#include <stdio.h>
#include <stdlib.h>

void lw(char *addr, char *target, int size) {
	unsigned char bit;
	for (int i = 0; i < size * 8; ++i) {
		bit = *((unsigned char*) addr + ((int) i / 8));

		// Endianity - LE - size * 8 - i
		target[size * 8 - i - 1] = bit >> i % 8 & 1;
	}
}

void pr_f(char *bits) {
	printf("IEEE754: ");

	for (int i = 0; i < 32; i++) {
		if(i == 1 || i == 9) {
			printf(" ");
		}

		printf("%d", bits[i]);
	}

	printf("\n");
}

void print_i3e(float a) {
	char *a_addr = (void*)&a;
	char a_bits[4 * 8];

	lw((void*)&a, a_bits, 4);

	pr_f(a_bits);
}

int main() {
	print_i3e(1.000505e003);
	print_i3e(1.127500e000);
}