/usr/include/OTB-6.4/mvdMath.h is in libotb-dev 6.4.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef mvdMath_h
#define mvdMath_h
//
// Configuration include.
//// Included at first position before any other ones.
#ifndef Q_MOC_RUN // See: https://bugreports.qt-project.org/browse/QTBUG-22829 //tag=QT4-boost-compatibility
#include "ConfigureMonteverdi.h"
#endif //tag=QT4-boost-compatibility
#include "OTBMonteverdiCoreExport.h"
/*****************************************************************************/
/* INCLUDE SECTION */
#define USE_VNL 0
//
// Qt includes (sorted by alphabetic order)
//// Must be included before system/custom includes.
//
// System includes (sorted by alphabetic order)
//
// ITK includes (sorted by alphabetic order)
#if USE_VNL
#ifndef Q_MOC_RUN // See: https://bugreports.qt-project.org/browse/QTBUG-22829 //tag=QT4-boost-compatibility
#include "vnl_vector.h"
#endif //tag=QT4-boost-compatibility
#endif
//
// OTB includes (sorted by alphabetic order)
//
// Monteverdi includes (sorted by alphabetic order)
#ifndef Q_MOC_RUN // See: https://bugreports.qt-project.org/browse/QTBUG-22829 //tag=QT4-boost-compatibility
#include "mvdTypes.h"
#endif //tag=QT4-boost-compatibility
/*****************************************************************************/
/* PRE-DECLARATION SECTION */
//
// External classes pre-declaration.
namespace
{
}
namespace mvd
{
//
// Internal classes pre-declaration.
} // end of namespace 'mvd'.
/*****************************************************************************/
/* FUNCTIONS DECLARATION. */
namespace otb
{
} // end namespace 'otb'
namespace mvd
{
/**
*/
template< typename X, typename Y, typename K >
void
Lerp2( X& x, Y& y,
const K& k,
const X& x0, const Y& y0,
const X& x1, const Y& y1 );
/**
*/
template< typename X, typename Y >
const Y&
Lerp2( const X& x,
const X& x0, const Y& y0,
const X& x1, const Y& y1 );
/**
*/
#if USE_VNL
template< typename T, unsigned int N >
inline
const vnl_vector< T, N >&
Lerp( const T& k,
const vnl_vector< T, N >& v0,
const vnl_vector< T, N >& v1 );
#endif // USE_VNL
/**
*/
#if USE_VNL
template< typename T >
inline
const T&
Lerp( const T& k,
const T& x0, const T& x1,
const T& y0, const T& y1 );
#endif // USE_VNL
} // end namespace 'mvd'.
/*****************************************************************************/
/* INLINE SECTION */
namespace otb
{
} // end namespace 'otb'.
namespace mvd
{
/*******************************************************************************/
template< typename X, typename Y, typename K >
void
Lerp2( X& x, Y& y,
const K& k,
const X& x0, const Y& y0,
const X& x1, const Y& y1 )
{
const K& _1_minus_k( 1 - k );
x = k * x1 + _1_minus_k * x0;
y = k * y1 + _1_minus_k * y0;
}
/*******************************************************************************/
template< typename X, typename Y, typename K >
const Y&
Lerp2( const X& x,
const X& x0, const Y& y0,
const X& x1, const Y& y1 )
{
return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
}
/*******************************************************************************/
#if USE_VNL
template< typename T >
inline
const vnl_vector< T, N >&
Lerp( const T& k,
const vnl_vector< T, N >& v0,
const vnl_vector< T, N >& v1 )
{
return k * v1 + ( T( 1 ) - k ) * v2;
}
#endif // USE_VNL
/*******************************************************************************/
#if USE_VNL
template< typename T >
inline
const T&
Lerp( const T& k,
const T& x0, const T& x1,
const T& y0, const T& y1 )
{
return Lerp( k, vnl_vector< T, 2 >( x0, x1 ), vnl_vector< T, 2 >( y0, y1 ) );
}
#endif // USE_VNL
} // end namespace 'mvd'
#endif // mvdMath_h
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