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release/4.3a0
dellaert 2015-05-24 15:32:20 -07:00
parent 9fc9e70dd6
commit 2c235d98be
2 changed files with 14 additions and 23 deletions
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35
gtsam/base/Group.h
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@ -121,12 +121,9 @@ struct AdditiveGroupTraits : GroupTraits<Class> {
template<typename G>
BOOST_CONCEPT_REQUIRES(((IsGroup<G>)),(G)) //
compose_pow(const G& g, size_t n) {
if (n == 0)
return traits<G>::Identity();
else if (n == 1)
return g;
else
return traits<G>::Compose(compose_pow(g, n - 1), g);
if (n == 0) return traits<G>::Identity();
else if (n == 1) return g;
else return traits<G>::Compose(compose_pow(g, n - 1), g);
}
/// Template to construct the direct product of two arbitrary groups
@ -140,15 +137,12 @@ class DirectProduct: public std::pair<G, H> {
const H& h() const {return this->second;}
public:
// Construct from two subgroup elements
DirectProduct(const G& g, const H& h):std::pair<G,H>(g,h) {
}
/// Default constructor yields identity
DirectProduct():std::pair<G,H>(traits<G>::Identity(),traits<H>::Identity()) {
}
static DirectProduct Identity() {
return DirectProduct();
}
DirectProduct():std::pair<G,H>(traits<G>::Identity(),traits<H>::Identity()) {}
// Construct from two subgroup elements
DirectProduct(const G& g, const H& h):std::pair<G,H>(g,h) {}
DirectProduct operator*(const DirectProduct& other) const {
return DirectProduct(traits<G>::Compose(g(),other.g()), traits<H>::Compose(h(),other.h()));
}
@ -174,15 +168,12 @@ class DirectSum: public std::pair<G, H> {
const H& h() const { return this->second;}
public:
// Construct from two subgroup elements
DirectSum(const G& g, const H& h):std::pair<G,H>(g,h) {
}
/// Default constructor yields identity
DirectSum():std::pair<G,H>(traits<G>::Identity(),traits<H>::Identity()) {
}
static DirectSum Identity() {
return DirectSum();
}
DirectSum():std::pair<G,H>(traits<G>::Identity(),traits<H>::Identity()) {}
// Construct from two subgroup elements
DirectSum(const G& g, const H& h):std::pair<G,H>(g,h) {}
DirectSum operator+(const DirectSum& other) const {
return DirectSum(g()+other.g(), h()+other.h());
}

2
gtsam/base/Manifold.h
View File

@ -90,7 +90,7 @@ struct ManifoldImpl<Class, Eigen::Dynamic> {
/// A helper that implements the traits interface for GTSAM manifolds.
/// To use this for your class type, define:
/// template<> struct traits<Class> : public Manifold<Class> { };
/// template<> struct traits<Class> : public internal::Manifold<Class> { };
template<class Class>
struct Manifold: Testable<Class>, ManifoldImpl<Class, Class::dimension> {