| 1 | //
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| 2 | // bitarray.cc
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| 3 | //
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| 4 | // Modifications are
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| 5 | // Copyright (C) 1998 Limit Point Systems, Inc.
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| 6 | //
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| 7 | // Author: Edward Seidl <seidl@janed.com>
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| 8 | // Maintainer: LPS
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| 9 | //
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| 10 | // This file is part of the SC Toolkit.
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| 11 | //
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| 12 | // The SC Toolkit is free software; you can redistribute it and/or modify
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| 13 | // it under the terms of the GNU Library General Public License as published by
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| 14 | // the Free Software Foundation; either version 2, or (at your option)
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| 15 | // any later version.
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| 16 | //
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| 17 | // The SC Toolkit is distributed in the hope that it will be useful,
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| 18 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | // GNU Library General Public License for more details.
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| 21 | //
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| 22 | // You should have received a copy of the GNU Library General Public License
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| 23 | // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
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| 24 | // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | //
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| 26 | // The U.S. Government is granted a limited license as per AL 91-7.
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| 27 | //
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| 28 |
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| 29 | /* bitarray.h -- definition of the BitArray Class
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| 30 | *
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| 31 | * THIS SOFTWARE FITS THE DESCRIPTION IN THE U.S. COPYRIGHT ACT OF A
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| 32 | * "UNITED STATES GOVERNMENT WORK". IT WAS WRITTEN AS A PART OF THE
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| 33 | * AUTHOR'S OFFICIAL DUTIES AS A GOVERNMENT EMPLOYEE. THIS MEANS IT
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| 34 | * CANNOT BE COPYRIGHTED. THIS SOFTWARE IS FREELY AVAILABLE TO THE
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| 35 | * PUBLIC FOR USE WITHOUT A COPYRIGHT NOTICE, AND THERE ARE NO
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| 36 | * RESTRICTIONS ON ITS USE, NOW OR SUBSEQUENTLY.
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| 37 | *
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| 38 | * Author:
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| 39 | * E. T. Seidl
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| 40 | * Bldg. 12A, Rm. 2033
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| 41 | * Computer Systems Laboratory
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| 42 | * Division of Computer Research and Technology
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| 43 | * National Institutes of Health
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| 44 | * Bethesda, Maryland 20892
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| 45 | * Internet: seidl@alw.nih.gov
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| 46 | * July, 1993
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| 47 | */
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| 48 |
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| 49 | #include <util/container/bitarray.h>
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| 50 | #include <util/misc/exenv.h>
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| 51 |
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| 52 | using namespace std;
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| 53 |
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| 54 | using sc::BitArrayLTri;
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| 55 |
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| 56 | BitArrayLTri::BitArrayLTri(int i, int j)
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| 57 | : a(0), n(0), nm(0), na(0)
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| 58 | {
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| 59 | if (i!=j) {
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| 60 | ExEnv::err0() << indent << "BitArrayLTri(int,int): i != j"
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| 61 | << endl;
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| 62 | abort();
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| 63 | }
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| 64 | int sz = i*(i+1)/2;
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| 65 |
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| 66 | if(sz) {
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| 67 | n = sz/8 + ((sz%8)?1:0);
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| 68 | a = new unsigned char[n];
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| 69 | memset(a,'\0',n);
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| 70 | na=sz; nm=i;
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| 71 | }
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| 72 | }
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| 73 |
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| 74 | BitArrayLTri::~BitArrayLTri()
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| 75 | {
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| 76 | if (a) delete[] a; a=0; n=0;
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| 77 | }
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| 78 |
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| 79 | // Local Variables:
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| 80 | // mode: c++
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| 81 | // c-file-style: "ETS"
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| 82 | // End:
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