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smoother: avoid losing precision

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Avoid losing precision by subtracting uint64 values before converting them to
doubles.
This commit is contained in:
Wim Taymans 2010-09-06 15:22:26 +02:00 • committed by Colin Guthrie
parent a65825fa45
commit 3d9b710bea
1 changed files with 1 additions and 3 deletions
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4
src/pulsecore/time-smoother.c
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@ -313,10 +313,8 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) {
calc_abc(s);
tx = (double) x;
/* Move to origin */
tx -= (double) s->ex;
tx = (double) (x - s->ex);
/* Horner scheme */
ty = (tx * (s->c + tx * (s->b + tx * s->a)));