[mlpack-git] master: Add error handling when streams fail to open. (2720ddc)

[gitdub at big.cc.gt.atl.ga.us]

Repository : https://github.com/mlpack/mlpack

On branch  : master
Link       : https://github.com/mlpack/mlpack/compare/458bd20685bdfd8a7918e1b64c45161f965e0080...1efafa13b304c7821d858754b0d2dab9a05795a7

>---------------------------------------------------------------

commit 2720ddc294241487a6ed01aa42dfff2be878702d
Author: Ryan Curtin <ryan at ratml.org>
Date:   Fri Dec 4 06:29:03 2015 -0800

    Add error handling when streams fail to open.


>---------------------------------------------------------------

2720ddc294241487a6ed01aa42dfff2be878702d
 src/mlpack/methods/hmm/hmm_util_impl.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mlpack/methods/hmm/hmm_util_impl.hpp b/src/mlpack/methods/hmm/hmm_util_impl.hpp
index 7b05363..4f34334 100644
--- a/src/mlpack/methods/hmm/hmm_util_impl.hpp
+++ b/src/mlpack/methods/hmm/hmm_util_impl.hpp
@@ -54,6 +54,9 @@ void LoadHMMAndPerformActionHelper(const std::string& modelFile,
                                    ExtraInfoType* x)
 {
   std::ifstream ifs(modelFile);
+  if (ifs.fail())
+    Log::Fatal << "Cannot open model file '" << modelFile << "' for loading!"
+        << std::endl;
   ArchiveType ar(ifs);
 
   // Read in the unsigned integer that denotes the type of the model.
@@ -125,6 +128,9 @@ template<typename ArchiveType, typename HMMType>
 void SaveHMMHelper(HMMType& hmm, const std::string& modelFile)
 {
   std::ofstream ofs(modelFile);
+  if (ofs.fail())
+    Log::Fatal << "Cannot open model file '" << modelFile << "' for saving!"
+        << std::endl;
   ArchiveType ar(ofs);
 
   // Write out the unsigned integer that denotes the type of the model.