a);
 int BN_is_one(const BIGNUM *a);
 int BN_is_word(const BIGNUM *a, const BN_ULONG w);
 int BN_abs_is_word(const BIGNUM *a, const BN_ULONG w);
 int BN_is_odd(const BIGNUM *a);

 int BN_are_coprime(BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>BN_cmp() compares the numbers <i>a</i> and <i>b</i>. BN_ucmp() compares their absolute values.</p>

<p>BN_is_zero(), BN_is_one(), BN_is_word() and BN_abs_is_word() test if <i>a</i> equals 0, 1, <i>w</i>, or |<i>w</i