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authorChris Dyer <cdyer@cab.ark.cs.cmu.edu>2012-10-02 00:19:43 -0400
committerChris Dyer <cdyer@cab.ark.cs.cmu.edu>2012-10-02 00:19:43 -0400
commit925087356b853e2099c1b60d8b757d7aa02121a9 (patch)
tree579925c5c9d3da51f43018a5c6d1c4dfbb72b089 /gi/posterior-regularisation/log_add.hh
parentea79e535d69f6854d01c62e3752971fb6730d8e7 (diff)
cdec cleanup, remove bayesian stuff, parsing stuff
Diffstat (limited to 'gi/posterior-regularisation/log_add.hh')
-rw-r--r--gi/posterior-regularisation/log_add.hh30
1 files changed, 0 insertions, 30 deletions
diff --git a/gi/posterior-regularisation/log_add.hh b/gi/posterior-regularisation/log_add.hh
deleted file mode 100644
index e0620c5a..00000000
--- a/gi/posterior-regularisation/log_add.hh
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef log_add_hh
-#define log_add_hh
-
-#include <limits>
-#include <iostream>
-#include <cassert>
-#include <cmath>
-
-template <typename T>
-struct Log
-{
- static T zero() { return -std::numeric_limits<T>::infinity(); }
-
- static T add(T l1, T l2)
- {
- if (l1 == zero()) return l2;
- if (l1 > l2)
- return l1 + std::log(1 + exp(l2 - l1));
- else
- return l2 + std::log(1 + exp(l1 - l2));
- }
-
- static T subtract(T l1, T l2)
- {
- //std::assert(l1 >= l2);
- return l1 + log(1 - exp(l2 - l1));
- }
-};
-
-#endif