From 385f682d7bfce81ba281faaffb0a250ab94985b8 Mon Sep 17 00:00:00 2001 From: Bernard Xiong Date: Thu, 21 Feb 2013 13:11:10 +0800 Subject: remove RT-Thread GUI from RT-Thread temporary --- .../utils/perfect_hash/example-Python/PerfHash.py | 40 ---------------------- 1 file changed, 40 deletions(-) delete mode 100644 components/rtgui/utils/perfect_hash/example-Python/PerfHash.py (limited to 'components/rtgui/utils/perfect_hash/example-Python/PerfHash.py') diff --git a/components/rtgui/utils/perfect_hash/example-Python/PerfHash.py b/components/rtgui/utils/perfect_hash/example-Python/PerfHash.py deleted file mode 100644 index 49131c2b63..0000000000 --- a/components/rtgui/utils/perfect_hash/example-Python/PerfHash.py +++ /dev/null @@ -1,40 +0,0 @@ -#!/usr/bin/env python -""" -This example shows how to use the class PerfHash. - -This class is designed for creating perfect hash tables at run time, -which should be avoided, in particulat inserting new keys is -prohibitively expensive since a new perfect hash table needs to be -constructed. However, this class can be usefull for testing. - -For practical programming purposes in Python the class PerfHash -should never be used because Python's built-in dictionary is very -efficient and always faster than PerfHash. -""" - -import sys - -sys.path.append('..') -from perfect_hash import PerfHash - - -month = dict(zip('jan feb mar apr may jun jul aug sep oct mov dec'.split(), - range(1, 13))) - -d = PerfHash(month) - - -for m in month: - assert month[m] == d[m] - -d[True] = False - -assert d[True] == False - -for i in xrange(10): # very expensive - d[i] = 2*i*i + 3*i -7 - -assert d[4] == 37 - - -print 'OK' -- cgit v1.3.1