hpps-e2022-pub/material/1-e-2/ref/bits.h at main · diku-dk/hpps-e2022-pub · GitHub

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#include <stdbool.h>
#include <stdio.h>
#include <assert.h>

struct bit {
  bool v;
};

struct bit bit_from_int(unsigned int x) {
  assert(x == 0 || x == 1);

  struct bit b;

  if (x == 0) {
    b.v = false;
  } else {
    b.v = true;
  }

  return b;
}

unsigned int bit_to_int(struct bit b) {
  if (b.v) {
    return 1;
  } else {
    return 0;
  }
}

void bit_print(struct bit b) {
  if (b.v) {
    putchar('1');
  } else {
    putchar('0');
  }
}

struct bit bit_not(struct bit a) {
  struct bit b;

  b.v = !a.v;

  return b;
}

struct bit bit_and(struct bit a, struct bit b) {
  struct bit c;

  c.v = a.v && b.v;

  return c;
}

struct bit bit_or(struct bit a, struct bit b) {
  struct bit c;

  c.v = a.v || b.v;

  return c;
}

struct bit bit_xor(struct bit a, struct bit b) {
  struct bit c;

  c.v = ((a.v && !b.v) || (!a.v && b.v));

  return c;
}