containers/test_many_stacks.cpp

This is an example of how to use stxxl::STACK_GENERATOR class to generate an external stack type with stxxl::grow_shrink_stack implementation, four blocks per page, block size 4096 bytes

00001 /***************************************************************************
00002  *  containers/test_many_stacks.cpp
00003  *
00004  *  Part of the STXXL. See http://stxxl.sourceforge.net
00005  *
00006  *  Copyright (C) 2003 Roman Dementiev <dementiev@mpi-sb.mpg.de>
00007  *
00008  *  Distributed under the Boost Software License, Version 1.0.
00009  *  (See accompanying file LICENSE_1_0.txt or copy at
00010  *  http://www.boost.org/LICENSE_1_0.txt)
00011  **************************************************************************/
00012 
00018 
00019 
00020 #include <stxxl/stack>
00021 
00022 
00023 int main(int argc, char * argv[])
00024 {
00025     typedef stxxl::STACK_GENERATOR<int, stxxl::external, stxxl::normal, 4, 4096>::result ext_stack_type;
00026 
00027     if (argc < 2)
00028     {
00029         STXXL_MSG("Usage: " << argv[0] << " number_of_stacks");
00030         return -1;
00031     }
00032 
00033     char dum;
00034     STXXL_MSG("Enter a symbol:");
00035     std::cin >> dum;
00036 
00037     ext_stack_type * my_stacks = new ext_stack_type[atoi(argv[1])];
00038 
00039     STXXL_MSG("Enter a symbol:");
00040     std::cin >> dum;
00041 
00042     delete[] my_stacks;
00043 
00044     STXXL_MSG("Enter a symbol:");
00045     std::cin >> dum;
00046 
00047     return 0;
00048 }

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