diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/supp-ran.lua')
-rw-r--r-- | Master/texmf-dist/tex/context/base/supp-ran.lua | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/supp-ran.lua b/Master/texmf-dist/tex/context/base/supp-ran.lua new file mode 100644 index 00000000000..9e4330f57ca --- /dev/null +++ b/Master/texmf-dist/tex/context/base/supp-ran.lua @@ -0,0 +1,46 @@ +if not modules then modules = { } end modules ['supp-ran'] = { + version = 1.001, + comment = "companion to supp-ran.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +-- We cannot ask for the current seed, so we need some messy hack +-- here. + +commands = commands or { } + +local texwrite, random, seed, last = tex.write, math.random, false, 1 + +function commands.getrandomcounta(min,max) + last = random(min,max) + texwrite(last) +end + +function commands.getrandomcountb(min,max) + last = random(min,max)/65536 + texwrite(last) +end + +function commands.setrandomseed(n) + last = n + math.randomseed(n) +end + +function commands.getrandomseed(n) + texwrite(last) +end + +function commands.freezerandomseed() + if seed == false then + seed = last + end +end + +function commands.defrostrandomseed() + if seed ~= false then + math.randomseed(last) + seed = false + end +end |