1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
if not modules then modules = { } end modules ['l-math'] = {
version = 1.001,
comment = "companion to luat-lib.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local floor, sin, cos, tan = math.floor, math.sin, math.cos, math.tan
if not math.ceiling then
math.ceiling = math.ceil
end
if not math.round then
function math.round(x) return floor(x + 0.5) end
end
if not math.div then
function math.div(n,m) return floor(n/m) end
end
if not math.mod then
function math.mod(n,m) return n % m end
end
local pipi = 2*math.pi/360
if not math.sind then
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
end
if not math.odd then
function math.odd (n) return n % 2 ~= 0 end
function math.even(n) return n % 2 == 0 end
end
|
