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Unverified Commit 6bd5a1fc authored by Fernbach Pierre's avatar Fernbach Pierre Committed by GitHub
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Merge pull request #38 from pFernbach/talos_balance_requirements 

New curves type required by sot-talos-balance
parents 2fcf1903 396a11fe
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CMakeLists.txt
View file @ 6bd5a1fc
......@@ -65,7 +65,9 @@ SET(${PROJECT_NAME}_HEADERS
include/${PROJECT_NAME}/piecewise_curve.h
include/${PROJECT_NAME}/so3_linear.h
include/${PROJECT_NAME}/se3_curve.h
include/${PROJECT_NAME}/sinusoidal.h
include/${PROJECT_NAME}/fwd.h
include/${PROJECT_NAME}/constant_curve.h
include/${PROJECT_NAME}/helpers/effector_spline.h
include/${PROJECT_NAME}/helpers/effector_spline_rotation.h
include/${PROJECT_NAME}/optimization/definitions.h
......
include/curves/constant_curve.h 0 → 100644
View file @ 6bd5a1fc
/**
* \file constant_curve.h
* \brief class allowing to create a constant_curve curve.
* \author Pierre Fernbach
* \version 0.4
* \date 29/04/2020
*/
#ifndef _CLASS_CONSTANTCURVE
#define _CLASS_CONSTANTCURVE
#include "curve_abc.h"
namespace curves {
/// \class constant_curve.
/// \brief Represents a constant_curve curve, always returning the same value and a null derivative
///
template <typename Time = double, typename Numeric = Time, bool Safe = false,
typename Point = Eigen::Matrix<Numeric, Eigen::Dynamic, 1>, typename Point_derivate = Point>
struct constant_curve : public curve_abc<Time, Numeric, Safe, Point, Point_derivate> {
typedef Point point_t;
typedef Point_derivate point_derivate_t;
typedef Time time_t;
typedef Numeric num_t;
typedef constant_curve<Time, Numeric, Safe, Point, Point_derivate> constant_curve_t;
typedef constant_curve<Time, Numeric, Safe, Point_derivate> curve_derivate_t;
typedef curve_abc<Time, Numeric, Safe, point_t, Point_derivate> curve_abc_t; // parent class
/* Constructors - destructors */
public:
/// \brief Empty constructor. Curve obtained this way can not perform other class functions.
///
constant_curve() : T_min_(0), T_max_(0), dim_(0) {}
/// \brief Constructor..
/// \param value : The constant value
/// \param T_min : lower bound of the time interval
/// \param T_max : upper bound of the time interval
///
constant_curve(const Point& value, const time_t T_min = 0., const time_t T_max = std::numeric_limits<time_t>::max())
: value_(value), T_min_(T_min), T_max_(T_max), dim_(value.size()) {
if (Safe && T_min_ > T_max_) {
throw std::invalid_argument("can't create constant curve: min bound is higher than max bound");
}
}
/// \brief Copy constructor
/// \param other
constant_curve(const constant_curve_t& other)
: value_(other.value_), T_min_(other.T_min_), T_max_(other.T_max_), dim_(other.dim_) {}
/// \brief Destructor.
virtual ~constant_curve() {}
/* Constructors - destructors */
/*Operations*/
/// \brief Evaluation of the cubic spline at time t.
/// \param t : time when to evaluate the spine
/// \return \f$x(t)\f$, point corresponding on curve at time t.
virtual point_t operator()(const time_t t) const {
if (Safe && (t < T_min_ || t > T_max_)) {
throw std::invalid_argument(
"error in constant curve : time t to evaluate should be in range [Tmin, Tmax] of the curve");
}
return value_;
}
/// \brief Compute the derived curve at order N.
/// Computes the derivative order N, \f$\frac{d^Nx(t)}{dt^N}\f$ of bezier curve of parametric equation x(t).
/// \param order : order of derivative.
/// \return \f$\frac{d^Nx(t)}{dt^N}\f$ derivative order N of the curve.
curve_derivate_t compute_derivate() const {
size_t derivate_size;
if (point_derivate_t::RowsAtCompileTime == Eigen::Dynamic) {
derivate_size = dim_;
} else {
derivate_size = point_derivate_t::RowsAtCompileTime;
}
point_derivate_t value(point_derivate_t::Zero(derivate_size));
return curve_derivate_t(value, T_min_, T_max_);
}
/// \brief Compute the derived curve at order N.
/// \param order : order of derivative.
/// \return A pointer to \f$\frac{d^Nx(t)}{dt^N}\f$ derivative order N of the curve.
virtual curve_derivate_t* compute_derivate_ptr(const std::size_t) const {
return new curve_derivate_t(compute_derivate());
}
/// \brief Evaluate the derivative of order N of curve at time t.
/// \param t : time when to evaluate the spline.
/// \param order : order of derivative.
/// \return \f$\frac{d^Nx(t)}{dt^N}\f$, point corresponding on derivative curve of order N at time t.
virtual point_derivate_t derivate(const time_t t, const std::size_t) const {
if (Safe && (t < T_min_ || t > T_max_)) {
throw std::invalid_argument(
"error in constant curve : time t to derivate should be in range [Tmin, Tmax] of the curve");
}
size_t derivate_size;
if (point_derivate_t::RowsAtCompileTime == Eigen::Dynamic) {
derivate_size = dim_;
} else {
derivate_size = point_derivate_t::RowsAtCompileTime;
}
return point_derivate_t::Zero(derivate_size);
}
/**
* @brief isApprox check if other and *this are approximately equals given a precision treshold
* Only two curves of the same class can be approximately equals,
* for comparison between different type of curves see isEquivalent.
* @param other the other curve to check
* @param prec the precision treshold, default Eigen::NumTraits<Numeric>::dummy_precision()
* @return true is the two curves are approximately equals
*/
virtual bool isApprox(const constant_curve_t& other,
const Numeric prec = Eigen::NumTraits<Numeric>::dummy_precision()) const {
return curves::isApprox<num_t>(T_min_, other.min()) && curves::isApprox<num_t>(T_max_, other.max()) &&
dim_ == other.dim() && value_.isApprox(other.value_, prec);
}
virtual bool isApprox(const curve_abc_t* other,
const Numeric prec = Eigen::NumTraits<Numeric>::dummy_precision()) const {
const constant_curve_t* other_cast = dynamic_cast<const constant_curve_t*>(other);
if (other_cast)
return isApprox(*other_cast, prec);
else
return false;
}
virtual bool operator==(const constant_curve_t& other) const { return isApprox(other); }
virtual bool operator!=(const constant_curve_t& other) const { return !(*this == other); }
/*Helpers*/
/// \brief Get dimension of curve.
/// \return dimension of curve.
std::size_t virtual dim() const { return dim_; }
/// \brief Get the minimum time for which the curve is defined
/// \return \f$t_{min}\f$ lower bound of time range.
num_t virtual min() const { return T_min_; }
/// \brief Get the maximum time for which the curve is defined.
/// \return \f$t_{max}\f$ upper bound of time range.
num_t virtual max() const { return T_max_; }
/// \brief Get the degree of the curve.
/// \return \f$degree\f$, the degree of the curve.
virtual std::size_t degree() const { return 0; }
/*Helpers*/
/*Attributes*/
Point value_;
time_t T_min_, T_max_; // const
std::size_t dim_; // const
/*Attributes*/
// Serialization of the class
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int version) {
if (version) {
// Do something depending on version ?
}
ar& BOOST_SERIALIZATION_BASE_OBJECT_NVP(curve_abc_t);
ar& boost::serialization::make_nvp("value", value_);
ar& boost::serialization::make_nvp("T_min", T_min_);
ar& boost::serialization::make_nvp("T_max", T_max_);
ar& boost::serialization::make_nvp("dim", dim_);
}
}; // struct constant_curve
} // namespace curves
#endif // _CLASS_CONSTANTCURVE
include/curves/curve_abc.h
View file @ 6bd5a1fc
......@@ -37,6 +37,7 @@ struct curve_abc : std::unary_function<Time, Point>, public serialization::Seria
typedef Time time_t;
typedef Numeric num_t;
typedef curve_abc<Time, Numeric, Safe, point_t, point_derivate_t> curve_t; // parent class
typedef curve_abc<Time, Numeric, Safe, point_derivate_t> curve_derivate_t; // parent class
typedef boost::shared_ptr<curve_t> curve_ptr_t;
/* Constructors - destructors */
......@@ -57,7 +58,7 @@ struct curve_abc : std::unary_function<Time, Point>, public serialization::Seria
/// \brief Compute the derived curve at order N.
/// \param order : order of derivative.
/// \return A pointer to \f$\frac{d^Nx(t)}{dt^N}\f$ derivative order N of the curve.
virtual curve_t* compute_derivate_ptr(const std::size_t order) const = 0;
virtual curve_derivate_t* compute_derivate_ptr(const std::size_t order) const = 0;
/// \brief Evaluate the derivative of order N of curve at time t.
/// \param t : time when to evaluate the spline.
......
include/curves/fwd.h
View file @ 6bd5a1fc
......@@ -21,6 +21,9 @@ struct curve_abc;
template <typename Time, typename Numeric, bool Safe, typename Point>
struct bezier_curve;
template <typename Time, typename Numeric, bool Safe, typename Point,typename Point_derivate>
struct constant_curve;
template <typename Time, typename Numeric, bool Safe, typename Point>
struct cubic_hermite_spline;
......@@ -36,6 +39,9 @@ struct polynomial;
template <typename Time, typename Numeric, bool Safe>
struct SE3Curve;
template <typename Time, typename Numeric, bool Safe, typename Point>
struct sinusoidal;
template <typename Time, typename Numeric, bool Safe>
struct SO3Linear;
......@@ -81,13 +87,16 @@ typedef boost::shared_ptr<curve_SE3_t> curve_SE3_ptr_t;
typedef polynomial<double, double, true, pointX_t, t_pointX_t> polynomial_t;
typedef exact_cubic<double, double, true, pointX_t, t_pointX_t, polynomial_t> exact_cubic_t;
typedef bezier_curve<double, double, true, pointX_t> bezier_t;
typedef constant_curve<double, double, true, pointX_t, pointX_t> constant_t;
typedef cubic_hermite_spline<double, double, true, pointX_t> cubic_hermite_spline_t;
typedef piecewise_curve<double, double, true, pointX_t, pointX_t, curve_abc_t> piecewise_t;
typedef sinusoidal<double, double, true, pointX_t> sinusoidal_t;
// definition of all curves class with point3 as return type:
typedef polynomial<double, double, true, point3_t, t_point3_t> polynomial3_t;
typedef exact_cubic<double, double, true, point3_t, t_point3_t, polynomial_t> exact_cubic3_t;
typedef bezier_curve<double, double, true, point3_t> bezier3_t;
typedef constant_curve<double, double, true, point3_t, point3_t> constant3_t;
typedef cubic_hermite_spline<double, double, true, point3_t> cubic_hermite_spline3_t;
typedef piecewise_curve<double, double, true, point3_t, point3_t, curve_3_t> piecewise3_t;
......
include/curves/piecewise_curve.h
View file @ 6bd5a1fc
......@@ -39,6 +39,9 @@ struct piecewise_curve : public curve_abc<Time, Numeric, Safe, Point, Point_deri
typedef typename std::vector<curve_ptr_t> t_curve_ptr_t;
typedef typename std::vector<Time> t_time_t;
typedef piecewise_curve<Time, Numeric, Safe, Point, Point_derivate, CurveType> piecewise_curve_t;
typedef piecewise_curve<Time, Numeric, Safe, Point_derivate, Point_derivate,
typename CurveType::curve_derivate_t> piecewise_curve_derivate_t;
typedef boost::shared_ptr<typename piecewise_curve_derivate_t::curve_t> curve_derivate_ptr_t;
public:
/// \brief Empty constructor. Add at least one curve to call other class functions.
......@@ -124,10 +127,10 @@ struct piecewise_curve : public curve_abc<Time, Numeric, Safe, Point, Point_deri
* @param order order of derivative
* @return
*/
piecewise_curve_t* compute_derivate_ptr(const std::size_t order) const {
piecewise_curve_t* res(new piecewise_curve_t());
piecewise_curve_derivate_t* compute_derivate_ptr(const std::size_t order) const {
piecewise_curve_derivate_t* res(new piecewise_curve_derivate_t());
for (typename t_curve_ptr_t::const_iterator itc = curves_.begin(); itc < curves_.end(); ++itc) {
curve_ptr_t ptr((*itc)->compute_derivate_ptr(order));
curve_derivate_ptr_t ptr((*itc)->compute_derivate_ptr(order));
res->add_curve_ptr(ptr);
}
return res;
......
include/curves/polynomial.h
View file @ 6bd5a1fc
......@@ -224,6 +224,35 @@ struct polynomial : public curve_abc<Time, Numeric, Safe, Point> {
// polynomial& operator=(const polynomial& other);
/**
* @brief MinimumJerk Build a polynomial curve connecting p_init to p_final minimizing the time integral of the
* squared jerk with a zero initial and final velocity and acceleration
* @param p_init the initial point
* @param p_final the final point
* @param t_min initial time
* @param t_max final time
* @return the polynomial curve
*/
static polynomial_t MinimumJerk(const point_t& p_init, const point_t& p_final, const time_t t_min = 0.,
const time_t t_max = 1.) {
if (t_min > t_max) throw std::invalid_argument("final time should be superior or equal to initial time.");
const size_t dim(p_init.size());
if (static_cast<size_t>(p_final.size()) != dim)
throw std::invalid_argument("Initial and final points must have the same dimension.");
const double T = t_max - t_min;
const double T2 = T * T;
const double T3 = T2 * T;
const double T4 = T3 * T;
const double T5 = T4 * T;
coeff_t coeffs = coeff_t::Zero(dim, 6); // init coefficient matrix with the right size
coeffs.col(0) = p_init;
coeffs.col(3) = 10 * (p_final - p_init) / T3;
coeffs.col(4) = -15 * (p_final - p_init) / T4;
coeffs.col(5) = 6 * (p_final - p_init) / T5;
return polynomial_t(coeffs, t_min, t_max);
}
private:
void safe_check() {
if (Safe) {
......
include/curves/se3_curve.h
View file @ 6bd5a1fc
......@@ -28,6 +28,7 @@ struct SE3Curve : public curve_abc<Time, Numeric, Safe, Eigen::Transform<Numeric
typedef Eigen::Quaternion<Scalar> Quaternion;
typedef Time time_t;
typedef curve_abc<Time, Numeric, Safe, point_t, point_derivate_t> curve_abc_t; // parent class
typedef polynomial<Time, Numeric, Safe, point_derivate_t> curve_derivate_t;
typedef curve_abc<Time, Numeric, Safe, pointX_t> curve_X_t; // generic class of curve
typedef curve_abc<Time, Numeric, Safe, matrix3_t, point3_t>
curve_rotation_t; // templated class used for the rotation (return dimension are fixed)
......@@ -190,14 +191,14 @@ struct SE3Curve : public curve_abc<Time, Numeric, Safe, Eigen::Transform<Numeric
return res;
}
SE3Curve_t compute_derivate(const std::size_t /*order*/) const {
curve_derivate_t compute_derivate(const std::size_t /*order*/) const {
throw std::logic_error("Compute derivate for SE3 is not implemented yet.");
}
/// \brief Compute the derived curve at order N.
/// \param order : order of derivative.
/// \return A pointer to \f$\frac{d^Nx(t)}{dt^N}\f$ derivative order N of the curve.
SE3Curve_t* compute_derivate_ptr(const std::size_t order) const { return new SE3Curve_t(compute_derivate(order)); }
curve_derivate_t* compute_derivate_ptr(const std::size_t order) const { return new curve_derivate_t(compute_derivate(order)); }
/*Helpers*/
/// \brief Get dimension of curve.
......
include/curves/serialization/curves.hpp
View file @ 6bd5a1fc
......@@ -16,8 +16,10 @@
#include "curves/curve_abc.h"
#include "curves/so3_linear.h"
#include "curves/se3_curve.h"
#include "curves/sinusoidal.h"
#include "curves/polynomial.h"
#include "curves/bezier_curve.h"
#include "curves/constant_curve.h"
#include "curves/piecewise_curve.h"
#include "curves/exact_cubic.h"
#include "curves/cubic_hermite_spline.h"
......
include/curves/serialization/registeration.hpp
View file @ 6bd5a1fc
......@@ -35,15 +35,18 @@ void register_types(Archive& ar) {
ar.template register_type<polynomial_t>();
ar.template register_type<exact_cubic_t>();
ar.template register_type<bezier_t>();
ar.template register_type<constant_t>();
ar.template register_type<cubic_hermite_spline_t>();
ar.template register_type<piecewise_t>();
ar.template register_type<polynomial3_t>();
ar.template register_type<exact_cubic3_t>();
ar.template register_type<bezier3_t>();
ar.template register_type<constant3_t>();
ar.template register_type<cubic_hermite_spline3_t>();
ar.template register_type<piecewise3_t>();
ar.template register_type<SO3Linear_t>();
ar.template register_type<SE3Curve_t>();
ar.template register_type<sinusoidal_t>();
ar.template register_type<piecewise_SE3_t>();
}
......
include/curves/sinusoidal.h 0 → 100644
View file @ 6bd5a1fc
/**
* \file sinusoidal.h
* \brief class allowing to create a sinusoidal curve.
* \author Pierre Fernbach
* \version 0.4
* \date 29/04/2020
*/
#ifndef _CLASS_SINUSOIDALCURVE
#define _CLASS_SINUSOIDALCURVE
#include "curve_abc.h"
#include <cmath>
namespace curves {
/// \class sinusoidal.
/// \brief Represents a sinusoidal curve, evaluating the following equation:
/// p0 + amplitude * (sin(2pi/T + phi)
///
template <typename Time = double, typename Numeric = Time, bool Safe = false,
typename Point = Eigen::Matrix<Numeric, Eigen::Dynamic, 1> >
struct sinusoidal : public curve_abc<Time, Numeric, Safe, Point> {
typedef Point point_t;
typedef Point point_derivate_t;
typedef Time time_t;
typedef Numeric num_t;
typedef sinusoidal<Time, Numeric, Safe, Point> sinusoidal_t;
typedef curve_abc<Time, Numeric, Safe, Point> curve_abc_t; // parent class
/* Constructors - destructors */
public:
/// \brief Empty constructor. Curve obtained this way can not perform other class functions.
///
sinusoidal() : T_min_(0), T_max_(0), dim_(0) {}
/// \brief Constructor
/// \param p0 : Offset of the sinusoidal
/// \param amplitude: Amplitude
/// \param T : The period
/// \param phi : the phase
/// \param T_min : lower bound of the time interval (default to 0)
/// \param T_max : upper bound of the time interval (default to +inf)
///
sinusoidal(const Point& p0, const Point& amplitude, const time_t T, const time_t phi, const time_t T_min = 0.,
const time_t T_max = std::numeric_limits<time_t>::max())
: p0_(p0),
amplitude_(amplitude),
T_(T),
phi_(std::fmod(phi, 2. * M_PI)),
T_min_(T_min),
T_max_(T_max),
dim_(p0_.size()) {
if (Safe && T_min_ > T_max_) {
throw std::invalid_argument("can't create constant curve: min bound is higher than max bound");
}
if (T_ <= 0.) throw std::invalid_argument("The period must be strictly positive");
if (static_cast<size_t>(amplitude_.size()) != dim_)
throw std::invalid_argument("The offset and the amplitude must have the same dimension");
}
/// \brief Constructor from stationary points
/// \param traj_time: duration to go from p_init to p_final (half a period)
/// \param p_init : first stationary point, either minimum or maximum
/// \param p_final : second stationary point, either minimum or maximum
/// \param T_min : lower bound of the time interval (default to 0)
/// \param T_max : upper bound of the time interval (default to +inf)
///
sinusoidal(const time_t traj_time, const Point& p_init, const Point& p_final, const time_t T_min = 0.,
const time_t T_max = std::numeric_limits<time_t>::max())
: T_(2. * traj_time), phi_(M_PI / 2.), T_min_(T_min), T_max_(T_max), dim_(p_init.size()) {
if (Safe && T_min_ > T_max_) {
throw std::invalid_argument("can't create constant curve: min bound is higher than max bound");
}
if (T_ <= 0) throw std::invalid_argument("The period must be strictly positive");
if (p_init.size() != p_final.size())
throw std::invalid_argument("The two stationary points must have the same dimension");
p0_ = (p_init + p_final) / 2.;
amplitude_ = (p_init - p_final) / 2.;
}
/// \brief Copy constructor
/// \param other
sinusoidal(const sinusoidal_t& other)
: p0_(other.p0_),
amplitude_(other.amplitude_),
T_(other.T_),
phi_(other.phi_),
T_min_(other.T_min_),
T_max_(other.T_max_),
dim_(other.dim_) {}
/// \brief Destructor.
virtual ~sinusoidal() {}
/* Constructors - destructors */
/*Operations*/
/// \brief Evaluation of the cubic spline at time t.
/// \param t : time when to evaluate the spine
/// \return \f$x(t)\f$, point corresponding on curve at time t.
virtual point_t operator()(const time_t t) const {
if (Safe && (t < T_min_ || t > T_max_)) {
throw std::invalid_argument(
"error in sinusoidal curve : time t to evaluate should be in range [Tmin, Tmax] of the curve");
}
return p0_ + amplitude_ * sin(two_pi_f(t) + phi_);
}
/// \brief Evaluate the derivative of order N of curve at time t.
/// \param t : time when to evaluate the spline.
/// \param order : order of derivative.
/// \return \f$\frac{d^Nx(t)}{dt^N}\f$, point corresponding on derivative curve of order N at time t.
virtual point_derivate_t derivate(const time_t t, const std::size_t order) const {
if (Safe && (t < T_min_ || t > T_max_)) {
throw std::invalid_argument(
"error in constant curve : time t to derivate should be in range [Tmin, Tmax] of the curve");
}
if (order <= 0) throw std::invalid_argument("Order must be strictly positive");
return amplitude_ * pow(2. * M_PI / T_, static_cast<num_t>(order)) *
sin(two_pi_f(t) + phi_ + (M_PI * static_cast<num_t>(order) / 2.));
}
/// \brief Compute the derived curve at order N.
/// Computes the derivative order N, \f$\frac{d^Nx(t)}{dt^N}\f$ of bezier curve of parametric equation x(t).
/// \param order : order of derivative.
/// \return \f$\frac{d^Nx(t)}{dt^N}\f$ derivative order N of the curve.
sinusoidal_t compute_derivate(const std::size_t order) const {
if (order <= 0) throw std::invalid_argument("Order must be strictly positive");
const point_t amplitude = amplitude_ * pow(2. * M_PI / T_, static_cast<num_t>(order));
const time_t phi = phi_ + (M_PI * static_cast<num_t>(order) / 2.);
return sinusoidal_t(point_t::Zero(dim_), amplitude, T_, phi, T_min_, T_max_);
}
/// \brief Compute the derived curve at orderN.
/// \param order : order of derivative.
/// \return A pointer to \f$\frac{d^Nx(t)}{dt^N}\f$ derivative order N of the curve.
virtual sinusoidal_t* compute_derivate_ptr(const std::size_t order) const {
return new sinusoidal_t(compute_derivate(order));
}
/**
* @brief isApprox check if other and *this are approximately equals given a precision treshold
* Only two curves of the same class can be approximately equals,
* for comparison between different type of curves see isEquivalent.
* @param other the other curve to check
* @param prec the precision treshold, default Eigen::NumTraits<Numeric>::dummy_precision()
* @return true is the two curves are approximately equals
*/
virtual bool isApprox(const sinusoidal_t& other,
const Numeric prec = Eigen::NumTraits<Numeric>::dummy_precision()) const {
return curves::isApprox<time_t>(T_min_, other.min()) && curves::isApprox<time_t>(T_max_, other.max()) &&
dim_ == other.dim() && p0_.isApprox(other.p0_, prec) && amplitude_.isApprox(other.amplitude_, prec) &&
curves::isApprox<time_t>(T_, other.T_) && curves::isApprox<time_t>(phi_, other.phi_);
}
virtual bool isApprox(const curve_abc_t* other,
const Numeric prec = Eigen::NumTraits<Numeric>::dummy_precision()) const {
const sinusoidal_t* other_cast = dynamic_cast<const sinusoidal_t*>(other);
if (other_cast)
return isApprox(*other_cast, prec);
else
return false;
}
virtual bool operator==(const sinusoidal_t& other) const { return isApprox(other); }
virtual bool operator!=(const sinusoidal_t& other) const { return !(*this == other); }
/*Helpers*/
/// \brief Get dimension of curve.
/// \return dimension of curve.
std::size_t virtual dim() const { return dim_; }
/// \brief Get the minimum time for which the curve is defined
/// \return \f$t_{min}\f$ lower bound of time range.
num_t virtual min() const { return T_min_; }
/// \brief Get the maximum time for which the curve is defined.
/// \return \f$t_{max}\f$ upper bound of time range.
num_t virtual max() const { return T_max_; }
/// \brief Get the degree of the curve.
/// \return \f$degree\f$, the degree of the curve.
virtual std::size_t degree() const { return 1; }
/*Helpers*/
/*Attributes*/
Point p0_; // offset
Point amplitude_;
time_t T_; // period
time_t phi_; // phase
time_t T_min_, T_max_; // const
std::size_t dim_; // const
/*Attributes*/
// Serialization of the class
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int version) {
if (version) {
// Do something depending on version ?
}
ar& BOOST_SERIALIZATION_BASE_OBJECT_NVP(curve_abc_t);
ar& boost::serialization::make_nvp("p0", p0_);
ar& boost::serialization::make_nvp("amplitude_", amplitude_);
ar& boost::serialization::make_nvp("T_", T_);
ar& boost::serialization::make_nvp("phi_", phi_);
ar& boost::serialization::make_nvp("T_min", T_min_);
ar& boost::serialization::make_nvp("T_max", T_max_);
ar& boost::serialization::make_nvp("dim", dim_);
}
private:
inline const num_t two_pi_f(const time_t& t) const { return (2 * M_PI / T_) * t; }
}; // struct sinusoidal
} // namespace curves
#endif // _CLASS_SINUSOIDALCURVE
include/curves/so3_linear.h
View file @ 6bd5a1fc
......@@ -4,6 +4,7 @@
#include "MathDefs.h"
#include "curve_abc.h"
#include "constant_curve.h"
#include <Eigen/Geometry>
#include <boost/math/constants/constants.hpp>
......@@ -24,8 +25,10 @@ struct SO3Linear : public curve_abc<Time, Numeric, Safe, matrix3_t, point3_t > {
typedef Eigen::Quaternion<Scalar> quaternion_t;
typedef Time time_t;
typedef curve_abc<Time, Numeric, Safe, point_t, point_derivate_t> curve_abc_t;
typedef constant_curve<Time, Numeric, Safe, point_derivate_t> curve_derivate_t;
typedef SO3Linear<Time, Numeric, Safe> SO3Linear_t;
public:
/* Constructors - destructors */
/// \brief Empty constructor. Curve obtained this way can not perform other class functions.
......@@ -161,14 +164,14 @@ struct SO3Linear : public curve_abc<Time, Numeric, Safe, matrix3_t, point3_t > {
}
}