Find limit of recursion: Difference between revisions
Content added Content deleted
(Added ZX81 BASIC) |
m (→{{header|Lua}}: mention Lua's proper tail call) |
||
| Line 1,293: | Line 1,293: | ||
=={{header|Lua}}== |
=={{header|Lua}}== |
||
Lua (version 5.3) support proper tail call, if the recursion is proper tail call there is no limit. |
|||
Otherwise, it is limited by stack size set by the implementation. |
|||
<lang Lua> |
<lang Lua> |
||
local c = 0 |
|||
| ⚫ | |||
c = c + 1 |
|||
| ⚫ | |||
if proper then |
|||
print("Depth:", counter) |
|||
if c < 9999999 then return Tail(proper) else return c end |
|||
counter = counter + 1 |
|||
else |
|||
return 1/c+Tail(proper) -- make the recursive call must keep previous stack |
|||
end |
|||
end |
end |
||
local ok,check = pcall(Tail,true) |
|||
test() |
|||
print(c, ok, check) |
|||
c=0 |
|||
ok,check = pcall(Tail,false) |
|||
print(c, ok, check) |
|||
</lang> |
</lang> |
||
{{out}} |
|||
<pre> |
|||
9999999 true 9999999 |
|||
333325 false D:\00EXE\share\lua\5.3\test.lua:57: stack overflow |
|||
</pre> |
|||
=={{header|Mathematica}} / {{header|Wolfram Language}}== |
=={{header|Mathematica}} / {{header|Wolfram Language}}== |
||