diff options
Diffstat (limited to 'gnu/lib/libg++/g++-include/XPSet.ccP')
-rw-r--r-- | gnu/lib/libg++/g++-include/XPSet.ccP | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gnu/lib/libg++/g++-include/XPSet.ccP b/gnu/lib/libg++/g++-include/XPSet.ccP new file mode 100644 index 000000000000..1102790700b9 --- /dev/null +++ b/gnu/lib/libg++/g++-include/XPSet.ccP @@ -0,0 +1,63 @@ +// This may look like C code, but it is really -*- C++ -*- +/* +Copyright (C) 1988 Free Software Foundation + written by Doug Lea (dl@rocky.oswego.edu) + +This file is part of the GNU C++ Library. This library is free +software; you can redistribute it and/or modify it under the terms of +the GNU Library General Public License as published by the Free +Software Foundation; either version 2 of the License, or (at your +option) any later version. This library is distributed in the hope +that it will be useful, but WITHOUT ANY WARRANTY; without even the +implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. See the GNU Library General Public License for more details. +You should have received a copy of the GNU Library General Public +License along with this library; if not, write to the Free Software +Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include "<T>.XPSet.h" + +int <T>XPSet::OK() +{ + int v = p.OK(); + v &= count == p.length(); + if (!v) error("invariant failure"); + return v; +} + +Pix <T>XPSet::seek(<T&> item) +{ + for (int i = p.low(); i < p.fence(); p.next(i)) + if (<T>EQ(p[i],item)) return p.index_to_Pix(i); + return 0; +} + +Pix <T>XPSet::add(<T&> item) +{ + Pix i = seek(item); + if (i == 0) + { + ++count; + i = p.index_to_Pix(p.add_high(item)); + } + return i; +} + +void <T>XPSet::del(<T&> item) +{ + for (int i = p.low(); i < p.fence(); p.next(i)) + { + if (<T>EQ(p[i], item)) + { + --count; + p[i] = p.low_element(); + p.del_low(); + return; + } + } +} + |