66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/**************************************************************************
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*
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* valarray.h -- Header for valarray examples.
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* Provides a valarray stream inserter.
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*
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* $Id: valarray.h 550991 2007-06-26 23:58:07Z sebor $
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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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#ifndef VALARRAY_H_INCLUDED
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#define VALARRAY_H_INCLUDED
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#include <valarray>
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#include <ostream>
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#include <examples.h>
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template<class T>
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inline std::ostream&
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insert_valarray (std::ostream &out, const std::valarray<T> &v)
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{
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out << "[";
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for (std::size_t i = 0; i < v.size (); i++) {
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out << v [i];
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if (i < v.size () - 1)
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out << ",";
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}
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return out << "]";
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}
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// Non-templatized insertion operators necessary for implicit
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// conversion from slice_array<T> (etc.) to valarray<T>. (the
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// conversion won't work in template argument deduction).
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inline std::ostream& operator<< (std::ostream &out, const std::valarray<int> &v)
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{
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return insert_valarray (out, v);
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}
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std::ostream& operator<< (std::ostream &out, const std::valarray<bool> &v)
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{
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return insert_valarray (out, v);
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}
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#endif // VALARRAY_H_INCLUDED
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