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authorNorbert Preining <norbert@preining.info>2022-10-04 03:00:59 +0000
committerNorbert Preining <norbert@preining.info>2022-10-04 03:00:59 +0000
commit30b3429f0e138c93c5f1ba1d1a6d46728c0943e9 (patch)
tree6c15cc0a1c291188deaa6f1c37d469d4e4dd27c7 /macros/luatex/generic/luaotfload/fontloader-l-math.lua
parent0ec122c100e39ea118fdb2c4b6223ece8053f439 (diff)
CTAN sync 202210040300
Diffstat (limited to 'macros/luatex/generic/luaotfload/fontloader-l-math.lua')
-rw-r--r--macros/luatex/generic/luaotfload/fontloader-l-math.lua14
1 files changed, 12 insertions, 2 deletions
diff --git a/macros/luatex/generic/luaotfload/fontloader-l-math.lua b/macros/luatex/generic/luaotfload/fontloader-l-math.lua
index 69f0a19e98..6105bc3c2d 100644
--- a/macros/luatex/generic/luaotfload/fontloader-l-math.lua
+++ b/macros/luatex/generic/luaotfload/fontloader-l-math.lua
@@ -14,9 +14,19 @@ end
if not math.round then
- local floor = math.floor
+ if xmath then
+
+ math.round = xmath.round
+
+ else
- function math.round(x) return floor(x + 0.5) end
+ local floor = math.floor
+
+ function math.round(x)
+ return x < 0 and -floor(-x + 0.5) or floor(x + 0.5)
+ end
+
+ end
end