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Add missing default ctor in Rotation2D

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This commit is contained in:
Gael Guennebaud 2014-09-30 16:59:28 +02:00
parent 0187504912
commit 5180bb5e47
2 changed files with 14 additions and 2 deletions
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7
Eigen/src/Geometry/Rotation2D.h
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@ -60,6 +60,9 @@ public:
/** Construct a 2D counter clock wise rotation from the angle \a a in radian. */
explicit inline Rotation2D(const Scalar& a) : m_angle(a) {}
/** Default constructor wihtout initialization. The represented rotation is undefined. */
Rotation2D() {}
/** \returns the rotation angle */
inline Scalar angle() const { return m_angle; }
@ -81,10 +84,10 @@ public:
/** Applies the rotation to a 2D vector */
Vector2 operator* (const Vector2& vec) const
{ return toRotationMatrix() * vec; }
template<typename Derived>
Rotation2D& fromRotationMatrix(const MatrixBase<Derived>& m);
Matrix2 toRotationMatrix(void) const;
Matrix2 toRotationMatrix() const;
/** \returns the spherical interpolation between \c *this and \a other using
* parameter \a t. It is in fact equivalent to a linear interpolation.

9
test/geo_transformations.cpp
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@ -397,6 +397,15 @@ template<typename Scalar, int Mode, int Options> void transformations()
t20 = Translation2(v20) * (Rotation2D<Scalar>(s0) * Eigen::Scaling(s0));
t21 = Translation2(v20) * Rotation2D<Scalar>(s0) * Eigen::Scaling(s0);
VERIFY_IS_APPROX(t20,t21);
// check basic features
{
Rotation2D<Scalar> r1; // default ctor
r1 = Rotation2D<Scalar>(s0); // copy assignment
VERIFY_IS_APPROX(r1.angle(),s0);
Rotation2D<Scalar> r2(r1); // copy ctor
VERIFY_IS_APPROX(r2.angle(),s0);
}
}
template<typename Scalar> void transform_alignment()