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-rw-r--r--Master/texmf-dist/tex/context/base/l-math.lua32
1 files changed, 24 insertions, 8 deletions
diff --git a/Master/texmf-dist/tex/context/base/l-math.lua b/Master/texmf-dist/tex/context/base/l-math.lua
index 24921cd0c17..bfb3d506b0c 100644
--- a/Master/texmf-dist/tex/context/base/l-math.lua
+++ b/Master/texmf-dist/tex/context/base/l-math.lua
@@ -1,20 +1,22 @@
--- filename : l-math.lua
--- comment : split off from luat-lib
--- author : Hans Hagen, PRAGMA-ADE, Hasselt NL
--- copyright: PRAGMA ADE / ConTeXt Development Team
--- license : see context related readme files
+if not modules then modules = { } end modules ['l-math'] = {
+ version = 1.001,
+ comment = "companion to luat-lib.tex",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
-if not versions then versions = { } end versions['l-math'] = 1.001
+local floor, sin, cos, tan = math.floor, math.sin, math.cos, math.tan
if not math.round then
function math.round(x)
- return math.floor(x + 0.5)
+ return floor(x + 0.5)
end
end
if not math.div then
function math.div(n,m)
- return math.floor(n/m)
+ return floor(n/m)
end
end
@@ -23,3 +25,17 @@ if not math.mod then
return n % m
end
end
+
+local pipi = 2*math.pi/360
+
+function math.sind(d)
+ return sin(d*pipi)
+end
+
+function math.cosd(d)
+ return cos(d*pipi)
+end
+
+function math.tand(d)
+ return tan(d*pipi)
+end