summaryrefslogtreecommitdiff
path: root/src/cairo-misc.c
diff options
context:
space:
mode:
authorJeff Muizelaar <jmuizelaar@mozilla.com>2009-02-04 14:04:05 -0500
committerJeff Muizelaar <jmuizelaar@mozilla.com>2009-02-04 14:04:05 -0500
commit83ec4b16b7b9a27439fee2d84c50e30a1ec2d68c (patch)
tree0766abc51754a9d1330e9f753b578d1b012bc545 /src/cairo-misc.c
parent2676b3bdd6fbeef62d34c100718f76fe5bbe647d (diff)
downloadcairo-83ec4b16b7b9a27439fee2d84c50e30a1ec2d68c.tar.gz
Elaborate the meaning of arithmetic rounding as done by _cairo_lround()
Diffstat (limited to 'src/cairo-misc.c')
-rw-r--r--src/cairo-misc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cairo-misc.c b/src/cairo-misc.c
index 729e6d539..2ed141394 100644
--- a/src/cairo-misc.c
+++ b/src/cairo-misc.c
@@ -394,7 +394,7 @@ _cairo_restrict_value (double *value, double min, double max)
}
/* This function is identical to the C99 function lround(), except that it
- * performs arithmetic rounding (instead of away-from-zero rounding) and
+ * performs arithmetic rounding (floor(d + .5) instead of away-from-zero rounding) and
* has a valid input range of (INT_MIN, INT_MAX] instead of
* [INT_MIN, INT_MAX]. It is much faster on both x86 and FPU-less systems
* than other commonly used methods for rounding (lround, round, rint, lrint