ztsdb
src
pseudovector.hpp
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// (C) 2016 Leonardo Silvestri
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//
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// This file is part of ztsdb.
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//
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// ztsdb is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ztsdb is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ztsdb. If not, see <http://www.gnu.org/licenses/>.
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#ifndef PSEUDO_VECTOR_HPP
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#define PSEUDO_VECTOR_HPP
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#include "vector.hpp"
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namespace
arr
{
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template
<
typename
T,
typename
U=T>
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struct
PseudoVector
{
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PseudoVector
(
const
Vector<U>
& v_p,
size_t
sz_p=0) :
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v(v_p), scalar(v.size() == 1), first_elt(v[0]), sz(sz_p) { }
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inline
const
U operator[](
size_t
i)
const
{
return
scalar ? first_elt : v[i]; }
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inline
const
T plus(T t, U u)
const
{
return
ztsdb::plus<T,U,T>
()(t, u); }
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inline
size_t
size()
const
{
return
scalar ? sz : v.size(); }
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private
:
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const
Vector<U>
& v;
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const
bool
scalar;
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const
U first_elt;
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const
size_t
sz;
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};
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}
// end namespace arr
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#endif
arr::Vector< U >
arr
Contains the classes and functions that implement a multidimentional array type.
Definition:
allocator.hpp:29
ztsdb::plus
Definition:
misc.hpp:152
arr::PseudoVector
Definition:
pseudovector.hpp:29
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