diff options
| author | Kenneth Heafield <github@kheafield.com> | 2012-10-22 12:07:20 +0100 |
|---|---|---|
| committer | Kenneth Heafield <github@kheafield.com> | 2012-10-22 12:07:20 +0100 |
| commit | ac586bc9b156b4ae687cd5961ba1fe7b20ec57d6 (patch) | |
| tree | 052473b46d7fa18d51f897cdb9e7c93a7186dafd /gi/posterior-regularisation/log_add.hh | |
| parent | 97b85c082b3e55c28a8b0c0eb762483ac84a1577 (diff) | |
| parent | ad6d4a1b2519896f2b16a282699ce4e64041fab8 (diff) | |
Merge remote branch 'upstream/master'
Conflicts:
Jamroot
bjam
decoder/Jamfile
decoder/cdec.cc
dpmert/Jamfile
jam-files/sanity.jam
klm/lm/Jamfile
klm/util/Jamfile
mira/Jamfile
Diffstat (limited to 'gi/posterior-regularisation/log_add.hh')
| -rw-r--r-- | gi/posterior-regularisation/log_add.hh | 30 |
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 |