From 2b63fa0755954edf467a2421997eaf72771260cf Mon Sep 17 00:00:00 2001
From: Kenneth Heafield <github@kheafield.com>
Date: Wed, 16 May 2012 13:24:08 -0700
Subject: Big kenlm change includes lower order models for probing only.  And
 other stuff.

---
 klm/lm/config.hh | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'klm/lm/config.hh')

diff --git a/klm/lm/config.hh b/klm/lm/config.hh
index 01b75632..739cee9c 100644
--- a/klm/lm/config.hh
+++ b/klm/lm/config.hh
@@ -1,11 +1,13 @@
 #ifndef LM_CONFIG__
 #define LM_CONFIG__
 
-#include <iosfwd>
-
 #include "lm/lm_exception.hh"
 #include "util/mmap.hh"
 
+#include <iosfwd>
+#include <string>
+#include <vector>
+
 /* Configuration for ngram model.  Separate header to reduce pollution. */
 
 namespace lm {
@@ -63,23 +65,33 @@ struct Config {
   const char *temporary_directory_prefix;
 
   // Level of complaining to do when loading from ARPA instead of binary format.
-  typedef enum {ALL, EXPENSIVE, NONE} ARPALoadComplain;
+  enum ARPALoadComplain {ALL, EXPENSIVE, NONE};
   ARPALoadComplain arpa_complain;
 
   // While loading an ARPA file, also write out this binary format file.  Set
   // to NULL to disable.  
   const char *write_mmap;
 
-  typedef enum {
+  enum WriteMethod {
     WRITE_MMAP, // Map the file directly.  
     WRITE_AFTER // Write after we're done.  
-  } WriteMethod;
+  };
   WriteMethod write_method;
 
   // Include the vocab in the binary file?  Only effective if write_mmap != NULL.  
   bool include_vocab;
 
 
+  // Left rest options.  Only used when the model includes rest costs.  
+  enum RestFunction {
+    REST_MAX,   // Maximum of any score to the left
+    REST_LOWER, // Use lower-order files given below.  
+  };
+  RestFunction rest_function;
+  // Only used for REST_LOWER.  
+  std::vector<std::string> rest_lower_files;
+
+
 
   // Quantization options.  Only effective for QuantTrieModel.  One value is
   // reserved for each of prob and backoff, so 2^bits - 1 buckets will be used
-- 
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