From 925087356b853e2099c1b60d8b757d7aa02121a9 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cab.ark.cs.cmu.edu>
Date: Tue, 2 Oct 2012 00:19:43 -0400
Subject: cdec cleanup, remove bayesian stuff, parsing stuff

---
 rst_parser/arc_factored_marginals.cc | 58 ------------------------------------
 1 file changed, 58 deletions(-)
 delete mode 100644 rst_parser/arc_factored_marginals.cc

(limited to 'rst_parser/arc_factored_marginals.cc')

diff --git a/rst_parser/arc_factored_marginals.cc b/rst_parser/arc_factored_marginals.cc
deleted file mode 100644
index 3e8c9f86..00000000
--- a/rst_parser/arc_factored_marginals.cc
+++ /dev/null
@@ -1,58 +0,0 @@
-#include "arc_factored.h"
-
-#include <iostream>
-
-#include "config.h"
-
-using namespace std;
-
-#if HAVE_EIGEN
-
-#include <Eigen/Dense>
-typedef Eigen::Matrix<prob_t, Eigen::Dynamic, Eigen::Dynamic> ArcMatrix;
-typedef Eigen::Matrix<prob_t, Eigen::Dynamic, 1> RootVector;
-
-void ArcFactoredForest::EdgeMarginals(prob_t *plog_z) {
-  ArcMatrix A(num_words_,num_words_);
-  RootVector r(num_words_);
-  for (int h = 0; h < num_words_; ++h) {
-    for (int m = 0; m < num_words_; ++m) {
-      if (h != m)
-        A(h,m) = edges_(h,m).edge_prob;
-      else
-        A(h,m) = prob_t::Zero();
-    }
-    r(h) = root_edges_[h].edge_prob;
-  }
-
-  ArcMatrix L = -A;
-  L.diagonal() = A.colwise().sum();
-  L.row(0) = r;
-  ArcMatrix Linv = L.inverse();
-  if (plog_z) *plog_z = Linv.determinant();
-  RootVector rootMarginals = r.cwiseProduct(Linv.col(0));
-  static const prob_t ZERO(0);
-  static const prob_t ONE(1);
-//  ArcMatrix T = Linv;
-  for (int h = 0; h < num_words_; ++h) {
-    for (int m = 0; m < num_words_; ++m) {
-      const prob_t marginal = (m == 0 ? ZERO : ONE) * A(h,m) * Linv(m,m) -
-                              (h == 0 ? ZERO : ONE) * A(h,m) * Linv(m,h);
-      edges_(h,m).edge_prob = marginal;
-//      T(h,m) = marginal;
-    }
-    root_edges_[h].edge_prob = rootMarginals(h);
-  }
-//   cerr << "ROOT MARGINALS: " << rootMarginals.transpose() << endl;
-//  cerr << "M:\n" << T << endl;
-}
-
-#else
-
-void ArcFactoredForest::EdgeMarginals(prob_t *) {
-  cerr << "EdgeMarginals() requires --with-eigen!\n";
-  abort();
-}
-
-#endif
-
-- 
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