vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/compute/interop/vtk/matrix4x4.hpp

47 lines
1.3 KiB
C++

//---------------------------------------------------------------------------//
// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_INTEROP_VTK_MATRIX4X4_HPP
#define BOOST_COMPUTE_INTEROP_VTK_MATRIX4X4_HPP
#include <vtkMatrix4x4.h>
#include <boost/compute/types/fundamental.hpp>
namespace boost {
namespace compute {
/// Converts a \c vtkMatrix4x4 to a \c float16_.
inline float16_ vtk_matrix4x4_to_float16(const vtkMatrix4x4 *matrix)
{
float16_ result;
for(int i = 0; i < 4; i++){
for(int j = 0; j < 4; j++){
result[i*4+j] = matrix->GetElement(i, j);
}
}
return result;
}
/// Converts a \c vtkMatrix4x4 to a \c double16_;
inline double16_ vtk_matrix4x4_to_double16(const vtkMatrix4x4 *matrix)
{
double16_ result;
std::memcpy(&result, matrix->Element, 16 * sizeof(double));
return result;
}
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_INTEROP_VTK_MATRIX4X4_HPP