61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
/**************************************************************************
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*
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* bitset.cpp - Example program for bitset.
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*
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* $Id: bitset.cpp 648752 2008-04-16 17:01:56Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2006 Rogue Wave Software.
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*
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**************************************************************************/
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#include <bitset> // for bitset
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#include <iostream> // for cout, endl
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#include <examples.h>
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int main ()
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{
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// Construct a bitset with 40 elements all initialized to 0.
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std::bitset<40> b;
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// Bitwise OR the bitset with 5.
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b |= 5;
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// Write bitset to the standard output.
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std::cout << " 4....:....3....:....2....:....1....:....0\n"
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<< "b = 5: " << b << '\n';
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// Invert the bitset.
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b = ~b;
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std::cout << "b = ~b: " << b << '\n'
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<< "b <<= " << b.count () << ": ";
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// Shift the bitset left by the number of bits set.
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b <<= b.count ();
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// Convert it to a string and write it out again.
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std::cout << b.to_string () << '\n';
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// Return 0 on success.
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return !(1 == b.count () && 1UL == (b >> (b.size () - 1)).to_ulong ());
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}
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