[PATCH 1/3] _cairo_round: Fix documentation

[Uli Schlachter]

Despite what the comment says, this function rounds halfway cases towards
positive infinity.

_cairo_round ( 0.5) => floor ( 1.0) =>  1.0
_cairo_round (-0.5) => floor ( 0.0) =>  0.0
_cairo_round (-1.5) => floor (-1.0) => -1.0

Signed-off-by: Uli Schlachter <psychon at znc.in>
---
 src/cairoint.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/cairoint.h b/src/cairoint.h
index 5836101..53c87e5 100644
--- a/src/cairoint.h
+++ b/src/cairoint.h
@@ -956,7 +956,7 @@ _cairo_restrict_value (double value, double min, double max)
 }
 
 /* C99 round() rounds to the nearest integral value with halfway cases rounded
- * away from 0. _cairo_round rounds halfway cases toward negative infinity.
+ * away from 0. _cairo_round rounds halfway cases toward positive infinity.
  * This matches the rounding behaviour of _cairo_lround. */
 static inline double cairo_const
 _cairo_round (double r)
-- 
1.7.2.3


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