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110 lines
4.1 KiB
C++
110 lines
4.1 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 20010-2011 Hauke Heibel <hauke.heibel@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef EIGEN_SPLINES_FWD_H
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#define EIGEN_SPLINES_FWD_H
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// IWYU pragma: private
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#include "./InternalHeaderCheck.h"
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#include "../../../../Eigen/Core"
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namespace Eigen {
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template <typename Scalar, int Dim, int Degree = Dynamic>
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class Spline;
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template <typename SplineType, int DerivativeOrder = Dynamic>
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struct SplineTraits {};
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/**
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* \ingroup Splines_Module
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* \brief Compile-time attributes of the Spline class for Dynamic degree.
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**/
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template <typename Scalar_, int Dim_, int Degree_>
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struct SplineTraits<Spline<Scalar_, Dim_, Degree_>, Dynamic> {
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typedef Scalar_ Scalar; /*!< The spline curve's scalar type. */
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enum { Dimension = Dim_ /*!< The spline curve's dimension. */ };
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enum { Degree = Degree_ /*!< The spline curve's degree. */ };
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enum {
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OrderAtCompileTime = Degree_ == Dynamic ? Dynamic : Degree_ + 1 /*!< The spline curve's order at compile-time. */
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};
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enum {
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NumOfDerivativesAtCompileTime = OrderAtCompileTime /*!< The number of derivatives defined for the current spline. */
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};
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enum { DerivativeMemoryLayout = Dimension == 1 ? RowMajor : ColMajor /*!< The derivative type's memory layout. */ };
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/** \brief The data type used to store non-zero basis functions. */
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typedef Array<Scalar, 1, OrderAtCompileTime> BasisVectorType;
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/** \brief The data type used to store the values of the basis function derivatives. */
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typedef Array<Scalar, Dynamic, Dynamic, RowMajor, NumOfDerivativesAtCompileTime, OrderAtCompileTime>
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BasisDerivativeType;
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/** \brief The data type used to store the spline's derivative values. */
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typedef Array<Scalar, Dimension, Dynamic, DerivativeMemoryLayout, Dimension, NumOfDerivativesAtCompileTime>
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DerivativeType;
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/** \brief The point type the spline is representing. */
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typedef Array<Scalar, Dimension, 1> PointType;
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/** \brief The data type used to store knot vectors. */
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typedef Array<Scalar, 1, Dynamic> KnotVectorType;
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/** \brief The data type used to store parameter vectors. */
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typedef Array<Scalar, 1, Dynamic> ParameterVectorType;
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/** \brief The data type representing the spline's control points. */
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typedef Array<Scalar, Dimension, Dynamic> ControlPointVectorType;
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};
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/**
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* \ingroup Splines_Module
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* \brief Compile-time attributes of the Spline class for fixed degree.
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*
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* The traits class inherits all attributes from the SplineTraits of Dynamic degree.
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**/
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template <typename Scalar_, int Dim_, int Degree_, int _DerivativeOrder>
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struct SplineTraits<Spline<Scalar_, Dim_, Degree_>, _DerivativeOrder>
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: public SplineTraits<Spline<Scalar_, Dim_, Degree_> > {
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enum {
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OrderAtCompileTime = Degree_ == Dynamic ? Dynamic : Degree_ + 1 /*!< The spline curve's order at compile-time. */
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};
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enum {
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NumOfDerivativesAtCompileTime =
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_DerivativeOrder == Dynamic
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? Dynamic
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: _DerivativeOrder + 1 /*!< The number of derivatives defined for the current spline. */
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};
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enum { DerivativeMemoryLayout = Dim_ == 1 ? RowMajor : ColMajor /*!< The derivative type's memory layout. */ };
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/** \brief The data type used to store the values of the basis function derivatives. */
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typedef Array<Scalar_, Dynamic, Dynamic, RowMajor, NumOfDerivativesAtCompileTime, OrderAtCompileTime>
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BasisDerivativeType;
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/** \brief The data type used to store the spline's derivative values. */
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typedef Array<Scalar_, Dim_, Dynamic, DerivativeMemoryLayout, Dim_, NumOfDerivativesAtCompileTime> DerivativeType;
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};
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/** \brief 2D float B-spline with dynamic degree. */
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typedef Spline<float, 2> Spline2f;
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/** \brief 3D float B-spline with dynamic degree. */
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typedef Spline<float, 3> Spline3f;
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/** \brief 2D double B-spline with dynamic degree. */
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typedef Spline<double, 2> Spline2d;
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/** \brief 3D double B-spline with dynamic degree. */
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typedef Spline<double, 3> Spline3d;
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} // namespace Eigen
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#endif // EIGEN_SPLINES_FWD_H
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