From 3f6de721b089823ac15f3d1ad786e6b479dee4d0 Mon Sep 17 00:00:00 2001
From: redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Wed, 23 Jun 2010 18:29:55 +0000
Subject: use centralized make

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@11 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 gi/clda/src/logval.h | 157 ---------------------------------------------------
 1 file changed, 157 deletions(-)
 delete mode 100644 gi/clda/src/logval.h

(limited to 'gi/clda/src/logval.h')

diff --git a/gi/clda/src/logval.h b/gi/clda/src/logval.h
deleted file mode 100644
index 7099b9be..00000000
--- a/gi/clda/src/logval.h
+++ /dev/null
@@ -1,157 +0,0 @@
-#ifndef LOGVAL_H_
-#define LOGVAL_H_
-
-#include <iostream>
-#include <cstdlib>
-#include <cmath>
-#include <limits>
-
-template <typename T>
-class LogVal {
- public:
-  LogVal() : s_(), v_(-std::numeric_limits<T>::infinity()) {}
-  explicit LogVal(double x) : s_(std::signbit(x)), v_(s_ ? std::log(-x) : std::log(x)) {}
-  static LogVal<T> One() { return LogVal(1); }
-  static LogVal<T> Zero() { return LogVal(); }
-
-  void logeq(const T& v) { s_ = false; v_ = v; }
-
-  LogVal& operator+=(const LogVal& a) {
-    if (a.v_ == -std::numeric_limits<T>::infinity()) return *this;
-    if (a.s_ == s_) {
-      if (a.v_ < v_) {
-        v_ = v_ + log1p(std::exp(a.v_ - v_));
-      } else {
-        v_ = a.v_ + log1p(std::exp(v_ - a.v_));
-      }
-    } else {
-      if (a.v_ < v_) {
-        v_ = v_ + log1p(-std::exp(a.v_ - v_));
-      } else {
-        v_ = a.v_ + log1p(-std::exp(v_ - a.v_));
-        s_ = !s_;
-      }
-    }
-    return *this;
-  }
-
-  LogVal& operator*=(const LogVal& a) {
-    s_ = (s_ != a.s_);
-    v_ += a.v_;
-    return *this;
-  }
-
-  LogVal& operator/=(const LogVal& a) {
-    s_ = (s_ != a.s_);
-    v_ -= a.v_;
-    return *this;
-  }
-
-  LogVal& operator-=(const LogVal& a) {
-    LogVal b = a;
-    b.invert();
-    return *this += b;
-  }
-
-  LogVal& poweq(const T& power) {
-    if (s_) {
-      std::cerr << "poweq(T) not implemented when s_ is true\n";
-      std::abort();
-    } else {
-      v_ *= power;
-    }
-    return *this;
-  }
-
-  void invert() { s_ = !s_; }
-
-  LogVal pow(const T& power) const {
-    LogVal res = *this;
-    res.poweq(power);
-    return res;
-  }
-
-  operator T() const {
-    if (s_) return -std::exp(v_); else return std::exp(v_);
-  }
-
-  bool s_;
-  T v_;
-};
-
-template<typename T>
-LogVal<T> operator+(const LogVal<T>& o1, const LogVal<T>& o2) {
-  LogVal<T> res(o1);
-  res += o2;
-  return res;
-}
-
-template<typename T>
-LogVal<T> operator*(const LogVal<T>& o1, const LogVal<T>& o2) {
-  LogVal<T> res(o1);
-  res *= o2;
-  return res;
-}
-
-template<typename T>
-LogVal<T> operator/(const LogVal<T>& o1, const LogVal<T>& o2) {
-  LogVal<T> res(o1);
-  res /= o2;
-  return res;
-}
-
-template<typename T>
-LogVal<T> operator-(const LogVal<T>& o1, const LogVal<T>& o2) {
-  LogVal<T> res(o1);
-  res -= o2;
-  return res;
-}
-
-template<typename T>
-T log(const LogVal<T>& o) {
-  if (o.s_) return log(-1.0);
-  return o.v_;
-}
-
-template <typename T>
-LogVal<T> pow(const LogVal<T>& b, const T& e) {
-  return b.pow(e);
-}
-
-template <typename T>
-bool operator<(const LogVal<T>& lhs, const LogVal<T>& rhs) {
-  if (lhs.s_ == rhs.s_) {
-    return (lhs.v_ < rhs.v_);
-  } else {
-    return lhs.s_ > rhs.s_;
-  }
-}
-
-#if 0
-template <typename T>
-bool operator<=(const LogVal<T>& lhs, const LogVal<T>& rhs) {
-  return (lhs.v_ <= rhs.v_);
-}
-
-template <typename T>
-bool operator>(const LogVal<T>& lhs, const LogVal<T>& rhs) {
-  return (lhs.v_ > rhs.v_);
-}
-
-template <typename T>
-bool operator>=(const LogVal<T>& lhs, const LogVal<T>& rhs) {
-  return (lhs.v_ >= rhs.v_);
-}
-#endif
-
-template <typename T>
-bool operator==(const LogVal<T>& lhs, const LogVal<T>& rhs) {
-  return (lhs.v_ == rhs.v_) && (lhs.s_ == rhs.s_);
-}
-
-template <typename T>
-bool operator!=(const LogVal<T>& lhs, const LogVal<T>& rhs) {
-  return !(lhs == rhs);
-}
-
-#endif
-- 
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