diff options
Diffstat (limited to 'src/pulsecore/time-smoother.c')
-rw-r--r-- | src/pulsecore/time-smoother.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/pulsecore/time-smoother.c b/src/pulsecore/time-smoother.c index d0231486..65621948 100644 --- a/src/pulsecore/time-smoother.c +++ b/src/pulsecore/time-smoother.c @@ -209,8 +209,8 @@ static double avg_gradient(pa_smoother *s, pa_usec_t x) { i = s->history_idx; for (j = s->n_history; j > 0; j--) { - ax += s->history_x[i]; - ay += s->history_y[i]; + ax += (int64_t) s->history_x[i]; + ay += (int64_t) s->history_y[i]; c++; REDUCE_INC(i); @@ -236,7 +236,7 @@ static double avg_gradient(pa_smoother *s, pa_usec_t x) { REDUCE_INC(i); } - r = (double) k / t; + r = (double) k / (double) t; return (s->monotonic && r < 0) ? 0 : r; } @@ -268,8 +268,8 @@ static void calc_abc(pa_smoother *s) { /* Calculate a, b, c for y=ax^3+bx^2+cx */ s->c = de; - s->b = (((double) (3*ky)/kx - dp - 2*de)) / kx; - s->a = (dp/kx - 2*s->b - de/kx) / (3*kx); + s->b = (((double) (3*ky)/ (double) kx - dp - (double) (2*de))) / (double) kx; + s->a = (dp/(double) kx - 2*s->b - de/(double) kx) / (double) (3*kx); s->abc_valid = TRUE; } @@ -284,7 +284,7 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) { /* The requested point is right of the point where we wanted * to be on track again, thus just linearly estimate */ - t = (int64_t) s->py + (int64_t) (s->dp * (x - s->px)); + t = (int64_t) s->py + (int64_t) llrint(s->dp * (double) (x - s->px)); if (t < 0) t = 0; @@ -313,7 +313,7 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) { /* Move back from origin */ ty += (double) s->ey; - *y = ty >= 0 ? (pa_usec_t) ty : 0; + *y = ty >= 0 ? (pa_usec_t) llrint(ty) : 0; /* Horner scheme */ if (deriv) @@ -360,7 +360,7 @@ void pa_smoother_put(pa_smoother *s, pa_usec_t x, pa_usec_t y) { /* And calculate when we want to be on track again */ s->px = s->ex + s->adjust_time; - s->py = s->ry + s->dp *s->adjust_time; + s->py = s->ry + (pa_usec_t) llrint(s->dp * (double) s->adjust_time); s->abc_valid = FALSE; @@ -456,7 +456,7 @@ pa_usec_t pa_smoother_translate(pa_smoother *s, pa_usec_t x, pa_usec_t y_delay) /* pa_log_debug("translate(%llu) = %llu (%0.2f)", (unsigned long long) y_delay, (unsigned long long) ((double) y_delay / nde), nde); */ - return (pa_usec_t) ((double) y_delay / nde); + return (pa_usec_t) llrint((double) y_delay / nde); } void pa_smoother_reset(pa_smoother *s) { |