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authorPatrick Simianer <simianer@cl.uni-heidelberg.de>2012-11-05 15:29:46 +0100
committerPatrick Simianer <simianer@cl.uni-heidelberg.de>2012-11-05 15:29:46 +0100
commit6f29f345dc06c1a1033475eac1d1340781d1d603 (patch)
tree6fa4cdd7aefd7d54c9585c2c6274db61bb8b159a /gi/pyp-topics/src/log_add.h
parentb510da2e562c695c90d565eb295c749569c59be8 (diff)
parentc615c37501fa8576584a510a9d2bfe2fdd5bace7 (diff)
merge upstream/master
Diffstat (limited to 'gi/pyp-topics/src/log_add.h')
-rw-r--r--gi/pyp-topics/src/log_add.h30
1 files changed, 0 insertions, 30 deletions
diff --git a/gi/pyp-topics/src/log_add.h b/gi/pyp-topics/src/log_add.h
deleted file mode 100644
index e0620c5a..00000000
--- a/gi/pyp-topics/src/log_add.h
+++ /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