add lout::misc::roundInt() for double -> int conversion

Add lout::misc::roundInt() and use it for double -> int conversion
instead of doing the + 0.5 trick all over the place. It was wrong for
negative values and we might even replace roundInt() with rint() from
libm in the future.

Reported-by: corvid

1 files changed, 1 insertions, 1 deletions

diff --git a/src/css.hh b/src/css.hh
index b23eb9a3..2e9dd2b5 100644
--- a/src/css.hh
+++ b/src/css.hh
@@ -90,7 +90,7 @@ inline CssLength CSS_CREATE_LENGTH (float v, CssLengthType t) {
 
    switch (t) {
    case CSS_LENGTH_TYPE_PX:
-      iv = (int) (v + 0.5);
+      iv = lout::misc::roundInt(v);
       if (iv > CSS_LENGTH_INT_MAX)
          iv = CSS_LENGTH_INT_MAX;
       else if (iv < -CSS_LENGTH_INT_MAX)