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[autofit] Finish the thought.

* src/autofit/afhints.c (af_direction_compute): make sure the long arm
is never negative so that its `FT_ABS' is not necessary.

git/fs: mount .git/fs: mount/attach disallowed

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,3 +1,10 @@

+2015-03-21  Alexei Podtelezhnikov <[email protected]>

+

+	[autofit] Finish the thought.

+

+	* src/autofit/afhints.c (af_direction_compute): make sure the long arm

+	is never negative so that its `FT_ABS' is not necessary.

+

 2015-04-01  Werner Lemberg  <[email protected]>

 	[autofit] Call dumper functions for tracing.

--- a/src/autofit/afhints.c

+++ b/src/autofit/afhints.c

@@ -509,15 +509,15 @@

       else

       {

         dir = AF_DIR_DOWN;

-        ll  = dy;

+        ll  = -dy;

         ss  = dx;

       }

     }

-    /* return no direction if arm lengths differ too much            */

+    /* return no direction if arm lengths do not differ enough       */

     /* (value 14 is heuristic, corresponding to approx. 4.1 degrees) */

-    ss *= 14;

-    if ( FT_ABS( ll ) <= FT_ABS( ss ) )

+    /* the long arm is never negative                                */

+    if ( ll <= 14 * FT_ABS( ss ) )

       dir = AF_DIR_NONE;

     return dir;