/usr/include/itpp/base/fastmath.h is in libitpp-dev 4.2-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | /*!
* \file
* \brief Definitions of special operations on vectors and matricies optimized
* for speed
* \author Tony Ottosson and Tobias Ringstrom
*
* -------------------------------------------------------------------------
*
* Copyright (C) 1995-2010 (see AUTHORS file for a list of contributors)
*
* This file is part of IT++ - a C++ library of mathematical, signal
* processing, speech processing, and communications classes and functions.
*
* IT++ is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* IT++ 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with IT++. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef FASTMATH_H
#define FASTMATH_H
#include <itpp/base/vec.h>
#include <itpp/base/mat.h>
namespace itpp
{
/*!
\relatesalso Mat
\brief Calculates m=m-v*v'*m
*/
void sub_v_vT_m(mat &m, const vec &v);
/*!
\relatesalso Mat
\brief Calculates m=m-m*v*v'
*/
void sub_m_v_vT(mat &m, const vec &v);
} // namespace itpp
#endif // #ifndef FASTMATH_H
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