diff --git a/include/eigenpy/angle-axis.hpp b/include/eigenpy/angle-axis.hpp index abf2b0c317f7ecce1a989c2d64ef8f276b85df70..2946866262d753613752ff206af6cfc9dbada56c 100644 --- a/include/eigenpy/angle-axis.hpp +++ b/include/eigenpy/angle-axis.hpp @@ -27,8 +27,16 @@ namespace eigenpy { AngleAxisVisitor<AngleAxis>::expose(); } + + static inline bool isApprox(const AngleAxis & self, const AngleAxis & other, + const Scalar & prec = Eigen::NumTraits<Scalar>::dummy_precision()) + { + return self.isApprox(other,prec); + } }; + BOOST_PYTHON_FUNCTION_OVERLOADS(isApproxAngleAxis_overload,call<Eigen::AngleAxisd>::isApprox,2,3) + template<typename AngleAxis> class AngleAxisVisitor : public bp::def_visitor< AngleAxisVisitor<AngleAxis> > @@ -71,11 +79,11 @@ namespace eigenpy bp::arg("Sets *this from a 3x3 rotation matrix."),bp::return_self<>()) .def("toRotationMatrix",&AngleAxis::toRotationMatrix,"Constructs and returns an equivalent 3x3 rotation matrix.") .def("matrix",&AngleAxis::matrix,"Returns an equivalent rotation matrix.") - .def("isApprox",(bool (AngleAxis::*)(const AngleAxis &))&AngleAxis::isApprox, - "Returns true if *this is approximately equal to other.") - .def("isApprox",(bool (AngleAxis::*)(const AngleAxis &, const Scalar prec))&AngleAxis::isApprox, - bp::args("other","prec"), - "Returns true if *this is approximately equal to other, within the precision determined by prec.") + + .def("isApprox", + &call<AngleAxis>::isApprox, + isApproxAngleAxis_overload(bp::args("other","prec"), + "Returns true if *this is approximately equal to other, within the precision determined by prec.")) /* --- Operators --- */ .def(bp::self * bp::other<Vector3>()) diff --git a/include/eigenpy/quaternion.hpp b/include/eigenpy/quaternion.hpp index 38f1cb877a7e32bb58726ace6ec5bffec9be5db3..4b5120b4ef6ca169e253a6045de7b6ee81bec2d0 100644 --- a/include/eigenpy/quaternion.hpp +++ b/include/eigenpy/quaternion.hpp @@ -39,8 +39,16 @@ namespace eigenpy { QuaternionVisitor<Quaternion>::expose(); } + + static inline bool isApprox(const Quaternion & self, const Quaternion & other, + const Scalar & prec = Eigen::NumTraits<Scalar>::dummy_precision()) + { + return self.isApprox(other,prec); + } }; + BOOST_PYTHON_FUNCTION_OVERLOADS(isApproxQuaternion_overload,call<Eigen::Quaterniond>::isApprox,2,3) + template<typename Quaternion> class QuaternionVisitor : public bp::def_visitor< QuaternionVisitor<Quaternion> > @@ -62,13 +70,22 @@ namespace eigenpy { cl .def(bp::init<>("Default constructor")) - .def(bp::init<Vector4>((bp::arg("Vec4: a 4D vector representing quaternion coefficients")),"Initialize from a vector 4D.")) - .def(bp::init<Matrix3>((bp::arg("R: a rotation matrix")),"Initialize from rotation matrix.")) - .def(bp::init<AngleAxis>((bp::arg("aa: angle axis")),"Initialize from an angle axis.")) - .def(bp::init<Quaternion>((bp::arg("quaternion")),"Copy constructor.")) + .def(bp::init<Vector4>((bp::arg("vec4")), + "Initialize from a vector 4D.\n" + "\tvec4 : a 4D vector representing quaternion coefficients in the order xyzw.")) + .def(bp::init<Matrix3>((bp::arg("R")), + "Initialize from rotation matrix.\n" + "\tR : a rotation matrix 3x3.")) + .def(bp::init<AngleAxis>((bp::arg("aa")), + "Initialize from an angle axis.\n" + "\taa: angle axis object.")) + .def(bp::init<Quaternion>((bp::arg("quat")), + "Copy constructor.\n" + "\tquat: a quaternion.")) .def("__init__",bp::make_constructor(&QuaternionVisitor::FromTwoVectors, bp::default_call_policies(), - (bp::arg("u: a 3D vector"),bp::arg("v: a 3D vector"))),"Initialize from two vectors u andv") + (bp::arg("u: a 3D vector"),bp::arg("v: a 3D vector"))), + "Initialize from two vectors u and v") .def(bp::init<Scalar,Scalar,Scalar,Scalar> ((bp::arg("w"),bp::arg("x"),bp::arg("y"),bp::arg("z")), "Initialize from coefficients.\n\n" @@ -88,14 +105,10 @@ namespace eigenpy &QuaternionVisitor::getCoeff<3>, &QuaternionVisitor::setCoeff<3>,"The w coefficient.") -// .def("isApprox",(bool (Quaternion::*)(const Quaternion &))&Quaternion::template isApprox<Quaternion>, -// "Returns true if *this is approximately equal to other.") -// .def("isApprox",(bool (Quaternion::*)(const Quaternion &, const Scalar prec))&Quaternion::template isApprox<Quaternion>, -// "Returns true if *this is approximately equal to other, within the precision determined by prec..") - .def("isApprox",(bool (*)(const Quaternion &))&isApprox, - "Returns true if *this is approximately equal to other.") - .def("isApprox",(bool (*)(const Quaternion &, const Scalar prec))&isApprox, - "Returns true if *this is approximately equal to other, within the precision determined by prec..") + .def("isApprox", + &call<Quaternion>::isApprox, + isApproxQuaternion_overload(bp::args("other","prec"), + "Returns true if *this is approximately equal to other, within the precision determined by prec.")) /* --- Methods --- */ .def("coeffs",(const Vector4 & (Quaternion::*)()const)&Quaternion::coeffs, @@ -103,7 +116,7 @@ namespace eigenpy .def("matrix",&Quaternion::matrix,"Returns an equivalent 3x3 rotation matrix. Similar to toRotationMatrix.") .def("toRotationMatrix",&Quaternion::toRotationMatrix,"Returns an equivalent 3x3 rotation matrix.") - .def("setFromTwoVectors",&setFromTwoVectors,((bp::arg("a"),bp::arg("b"))),"Set *this to be the quaternion which transform a into b through a rotation." + .def("setFromTwoVectors",&setFromTwoVectors,((bp::arg("a"),bp::arg("b"))),"Set *this to be the quaternion which transforms a into b through a rotation." ,bp::return_self<>()) .def("conjugate",&Quaternion::conjugate,"Returns the conjugated quaternion. The conjugate of a quaternion represents the opposite rotation.") .def("inverse",&Quaternion::inverse,"Returns the quaternion describing the inverse rotation.") @@ -142,13 +155,11 @@ namespace eigenpy // "Returns the quaternion which transform a into b through a rotation.") .def("FromTwoVectors",&FromTwoVectors, bp::args("a","b"), - "Returns the quaternion which transform a into b through a rotation.", + "Returns the quaternion which transforms a into b through a rotation.", bp::return_value_policy<bp::manage_new_object>()) .staticmethod("FromTwoVectors") .def("Identity",&Quaternion::Identity,"Returns a quaternion representing an identity rotation.") .staticmethod("Identity") - - ; } private: @@ -171,12 +182,6 @@ namespace eigenpy Quaternion* q(new Quaternion); q->setFromTwoVectors(u,v); return q; } - - static bool isApprox(const Quaternion & self, const Quaternion & other, - const Scalar prec = Eigen::NumTraits<Scalar>::dummy_precision) - { - return self.isApprox(other,prec); - } static bool __eq__(const Quaternion & u, const Quaternion & v) { diff --git a/unittest/python/test_geometry.py b/unittest/python/test_geometry.py index b507dae595ea27a96e7d57ca6850855e543f00c0..d14ed2060fe68d47aa732b6863abcd220eeaefaa 100644 --- a/unittest/python/test_geometry.py +++ b/unittest/python/test_geometry.py @@ -1,5 +1,6 @@ from __future__ import print_function +from eigenpy import * from geometry import * import numpy as np from numpy import cos,sin @@ -22,6 +23,8 @@ r = AngleAxis(q) q2 = Quaternion(r) assert(q==q) assert(isapprox(q.coeffs(),q2.coeffs())) +assert(q2.isApprox(q2)) +assert(q2.isApprox(q2,1e-2)) Rq = q.matrix() Rr = r.matrix() @@ -45,6 +48,8 @@ if verbose: print("Rx(.1) = \n\n",r.matrix(),"\n") assert( isapprox(r.matrix()[2,2],cos(r.angle))) assert( isapprox(r.axis,np.matrix("1;0;0")) ) assert( isapprox(r.angle,0.1) ) +assert(r.isApprox(r)) +assert(r.isApprox(r,1e-2)) r.axis = np.matrix([0,1,0],np.double).T assert( isapprox(r.matrix()[0,0],cos(r.angle)))