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-rw-r--r--LuaSL/testLua/yueliang-0.4.1/test_lua/5.0/fib.lua40
1 files changed, 0 insertions, 40 deletions
diff --git a/LuaSL/testLua/yueliang-0.4.1/test_lua/5.0/fib.lua b/LuaSL/testLua/yueliang-0.4.1/test_lua/5.0/fib.lua
deleted file mode 100644
index 97a921b..0000000
--- a/LuaSL/testLua/yueliang-0.4.1/test_lua/5.0/fib.lua
+++ /dev/null
@@ -1,40 +0,0 @@
1-- fibonacci function with cache
2
3-- very inefficient fibonacci function
4function fib(n)
5 N=N+1
6 if n<2 then
7 return n
8 else
9 return fib(n-1)+fib(n-2)
10 end
11end
12
13-- a general-purpose value cache
14function cache(f)
15 local c={}
16 return function (x)
17 local y=c[x]
18 if not y then
19 y=f(x)
20 c[x]=y
21 end
22 return y
23 end
24end
25
26-- run and time it
27function test(s,f)
28 N=0
29 local c=os.clock()
30 local v=f(n)
31 local t=os.clock()-c
32 print(s,n,v,t,N)
33end
34
35n=arg[1] or 24 -- for other values, do lua fib.lua XX
36n=tonumber(n)
37print("","n","value","time","evals")
38test("plain",fib)
39fib=cache(fib)
40test("cached",fib)