pyp-sampler: added randomization to sequence in which corpus is sampled

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@35 ec762483-ff6d-05da-a07a-a48fb63a330f

1 files changed, 2 insertions, 0 deletions

diff --git a/gi/pyp-topics/src/corpus.hh b/gi/pyp-topics/src/corpus.hh
index 3dd17cf9..c1b0ceda 100644
--- a/gi/pyp-topics/src/corpus.hh
+++ b/gi/pyp-topics/src/corpus.hh
@@ -28,6 +28,8 @@ public:
     const_iterator begin() const { return m_documents.begin(); }
     const_iterator end() const { return m_documents.end(); }
 
+    const Document& at(size_t i) const { return m_documents.at(i); }
+
     int num_documents() const { return m_documents.size(); }
     int num_terms() const { return m_num_terms; }
     int num_types() const { return m_num_types; }