/usr/include/blitz/tinyvec2io.cc is in libblitz0-dev 1:0.10-3.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* blitz/tinyvecio.cc TinyVector I/O methods
*
* $Id$
*
* Copyright (C) 1997-2011 Todd Veldhuizen <tveldhui@acm.org>
*
* This file is a part of Blitz.
*
* Blitz is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Blitz 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Blitz. If not, see <http://www.gnu.org/licenses/>.
*
* Suggestions: blitz-devel@lists.sourceforge.net
* Bugs: blitz-support@lists.sourceforge.net
*
* For more information, please see the Blitz++ Home Page:
* https://sourceforge.net/projects/blitz/
*
***************************************************************************/
#ifndef BZ_TINYVEC2IO_CC
#define BZ_TINYVEC2IO_CC
#include <blitz/tinyvec2.h>
BZ_NAMESPACE(blitz)
// NEEDS_WORK???
// This version of operator<< is updated on August 2005
// by Sergei Mingaleev <mingaleev@gmail.com>. The output
// format for 2D TinyVector is the same as for complex
// numbers - so that one can read Array of complex numbers
// into Array of TinyVectors for speed-up of calculations.
// Also, the corresponding operator>> is updated.
template<typename P_numtype, int N_length>
ostream& operator<<(ostream& os, const TinyVector<P_numtype, N_length>& x)
{
os << "(" << x[0];
for (int i=1; i < N_length; ++i)
{
os << "," << x[i];
}
os << ")";
return os;
}
// Input of tinyvec contribute by Adam Levar <adaml@mcneilhouse.com>
// and updated by Sergei Mingaleev <mingaleev@gmail.com>
template <typename T_numtype, int N_length>
istream& operator>>(istream& is, TinyVector<T_numtype, N_length>& x)
{
char sep;
is >> sep;
BZPRECHECK(sep == '(', "Format error while scanning input TinyVector"
<< endl << " (expected '(' opening TinyVector)");
is >> x(0);
for (int i = 1; i < N_length; ++i)
{
is >> sep;
BZPRECHECK(sep == ',', "Format error while scanning input TinyVector"
<< endl << " (expected ',' between TinyVector components)");
BZPRECHECK(!is.bad(), "Premature end of input while scanning TinyVector");
is >> x(i);
}
is >> sep;
BZPRECHECK(sep == ')', "Format error while scanning input TinyVector"
<< endl << " (expected ')' closing TinyVector)");
return is;
}
BZ_NAMESPACE_END
#endif // BZ_TINYVECIO_CC
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