diff options
Diffstat (limited to 'li2.c')
| -rw-r--r-- | li2.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -57,7 +57,7 @@ bernoulli (mpz_t * b, unsigned long n) mpz_mul_ui (t, t, 2 * n - 1); mpz_mul_ui (t, t, 2 * n); mpz_mul_ui (t, t, n); - mpz_div_ui (t, t, 3); /* exact: t=binomial(2*n+1,2*k)*(2*n)!/(2*k+1)! + mpz_fdiv_q_ui (t, t, 3); /* exact: t=binomial(2*n+1,2*k)*(2*n)!/(2*k+1)! for k=n-1 */ mpz_mul (b[n], t, b[n - 1]); for (k = n - 1; k-- > 0;) @@ -66,13 +66,13 @@ bernoulli (mpz_t * b, unsigned long n) mpz_mul_ui (t, t, 2 * k + 2); mpz_mul_ui (t, t, 2 * k + 2); mpz_mul_ui (t, t, 2 * k + 3); - mpz_div_ui (t, t, 2 * (n - k) + 1); - mpz_div_ui (t, t, 2 * (n - k)); + mpz_fdiv_q_ui (t, t, 2 * (n - k) + 1); + mpz_fdiv_q_ui (t, t, 2 * (n - k)); mpz_addmul (b[n], t, b[k]); } /* take into account C[1] */ mpz_mul_ui (t, t, 2 * n + 1); - mpz_div_2exp (t, t, 1); + mpz_fdiv_q_2exp (t, t, 1); mpz_sub (b[n], b[n], t); mpz_neg (b[n], b[n]); mpz_clear (t); |