From 851e389dffdd6996ea32d70defb8906de80b9edc Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Mon, 14 Dec 2009 20:35:11 -0500
Subject: few small fixes of alignment tools, add new orthographic similarity
 feature for word aligner, final naming of directories, libraries in cdec

---
 src/exp_semiring.h | 71 ------------------------------------------------------
 1 file changed, 71 deletions(-)
 delete mode 100644 src/exp_semiring.h

(limited to 'src/exp_semiring.h')

diff --git a/src/exp_semiring.h b/src/exp_semiring.h
deleted file mode 100644
index f91beee4..00000000
--- a/src/exp_semiring.h
+++ /dev/null
@@ -1,71 +0,0 @@
-#ifndef _EXP_SEMIRING_H_
-#define _EXP_SEMIRING_H_
-
-#include <iostream>
-
-// this file implements the first-order expectation semiring described
-// in Li & Eisner (EMNLP 2009)
-
-// requirements:
-//   RType * RType ==> RType
-//   PType * PType ==> PType
-//   RType * PType ==> RType
-// good examples:
-//   PType scalar, RType vector
-// BAD examples:
-//   PType vector, RType scalar
-template <typename PType, typename RType>
-struct PRPair {
-  PRPair() : p(), r() {}
-  // Inside algorithm requires that T(0) and T(1)
-  // return the 0 and 1 values of the semiring
-  explicit PRPair(double x) : p(x), r() {}
-  PRPair(const PType& p, const RType& r) : p(p), r(r) {}
-  PRPair& operator+=(const PRPair& o) {
-    p += o.p;
-    r += o.r;
-    return *this;
-  }
-  PRPair& operator*=(const PRPair& o) {
-    r = (o.r * p) + (o.p * r);
-    p *= o.p;
-    return *this;
-  }
-  PType p;
-  RType r;
-};
-
-template <typename P, typename R>
-std::ostream& operator<<(std::ostream& o, const PRPair<P,R>& x) {
-  return o << '<' << x.p << ", " << x.r << '>';
-}
-
-template <typename P, typename R>
-const PRPair<P,R> operator+(const PRPair<P,R>& a, const PRPair<P,R>& b) {
-  PRPair<P,R> result = a;
-  result += b;
-  return result;
-}
-
-template <typename P, typename R>
-const PRPair<P,R> operator*(const PRPair<P,R>& a, const PRPair<P,R>& b) {
-  PRPair<P,R> result = a;
-  result *= b;
-  return result;
-}
-
-template <typename P, typename PWeightFunction, typename R, typename RWeightFunction>
-struct PRWeightFunction {
-  explicit PRWeightFunction(const PWeightFunction& pwf = PWeightFunction(),
-                            const RWeightFunction& rwf = RWeightFunction()) :
-    pweight(pwf), rweight(rwf) {}
-  PRPair<P,R> operator()(const Hypergraph::Edge& e) const {
-    const P p = pweight(e);
-    const R r = rweight(e);
-    return PRPair<P,R>(p, r * p);
-  }
-  const PWeightFunction pweight;
-  const RWeightFunction rweight;
-};
-
-#endif
-- 
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