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Remove unused fraction calculations

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hw.x and the motion history are integers so our deltas are always integers.
It's a bit pointless to split them into the fractional and integral part.

obsolete since defc1d008e or so

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2016-09-15 13:47:09 +10:00
parent 486322116d
commit 35b9472a18
2 changed files with 0 additions and 21 deletions
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20
src/synaptics.c
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@@ -2198,28 +2198,8 @@ static void
get_delta(SynapticsPrivate *priv, const struct SynapticsHwState *hw,
enum EdgeType edge, double *dx, double *dy)
{
double integral;
double tmpf;
*dx = hw->x - HIST(0).x;
*dy = hw->y - HIST(0).y;
/* report edge speed as synthetic motion. Of course, it would be
* cooler to report floats than to buffer, but anyway. */
/* FIXME: When these values go NaN, bad things happen. Root cause is unknown
* thus far though. */
if (isnan(priv->frac_x))
priv->frac_x = 0;
if (isnan(priv->frac_y))
priv->frac_y = 0;
tmpf = *dx + priv->frac_x;
priv->frac_x = modf(tmpf, &integral);
*dx = integral;
tmpf = *dy + priv->frac_y;
priv->frac_y = modf(tmpf, &integral);
*dy = integral;
}
/* Vector length, but not sqrt'ed, we only need it for comparison */

1
src/synapticsstr.h
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@@ -288,7 +288,6 @@ struct _SynapticsPrivateRec {
Bool circ_scroll_on; /* Keeps track of currently active scroll modes */
Bool circ_scroll_vert; /* True: Generate vertical scroll events
False: Generate horizontal events */
double frac_x, frac_y; /* absolute -> relative fraction */
enum MidButtonEmulation mid_emu_state; /* emulated 3rd button */
int repeatButtons; /* buttons for repeat */
int nextRepeat; /* Time when to trigger next auto repeat event */