Lines Matching refs:den
37 int64_t num, int64_t den, int64_t max)
40 int sign = (num < 0) ^ (den < 0);
41 int64_t gcd = av_gcd(FFABS(num), FFABS(den));
45 den = FFABS(den) / gcd;
47 if (num <= max && den <= max) {
48 a1 = (AVRational) { num, den };
49 den = 0;
52 while (den) {
53 uint64_t x = num / den;
54 int64_t next_den = num - den * x;
56 int64_t a2d = x * a1.den + a0.den;
60 if (a1.den) x = FFMIN(x, (max - a0.den) / a1.den);
62 if (den * (2 * x * a1.den + a0.den) > num * a1.den)
63 a1 = (AVRational) { x * a1.num + a0.num, x * a1.den + a0.den };
69 num = den;
70 den = next_den;
72 av_assert2(av_gcd(a1.num, a1.den) <= 1U);
75 *dst_den = a1.den;
77 return den == 0;
82 av_reduce(&b.num, &b.den,
84 b.den * (int64_t) c.den, INT_MAX);
90 return av_mul_q(b, (AVRational) { c.den, c.num });
94 av_reduce(&b.num, &b.den,
95 b.num * (int64_t) c.den +
96 c.num * (int64_t) b.den,
97 b.den * (int64_t) c.den, INT_MAX);
103 return av_add_q(b, (AVRational) { -c.num, c.den });
111 int64_t den;
117 den = 1LL << (61 - exponent);
118 av_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max);
126 int64_t a = q1.num * (int64_t)q2.den + q2.num * (int64_t)q1.den;
127 int64_t b = 2 * (int64_t)q1.den * q2.den;
130 int64_t x_up = av_rescale_rnd(a, q.den, b, AV_ROUND_UP);
133 int64_t x_down = av_rescale_rnd(a, q.den, b, AV_ROUND_DOWN);
141 for (i = 0; q_list[i].den; i++)
153 for (a.den = -2; a.den <= 2; a.den++) {
155 for (b.den = -2; b.den <= 2; b.den++) {
164 a.den, b.num, b.den, c,d);