[mlpack] 15/30: Fix Log compatibility with std::fixed and std::setprecision

[Barak A. Pearlmutter]

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bap pushed a commit to branch master
in repository mlpack.

commit 620d8a16d21124731010fa1f3e4b5251575fb6ee
Author: shikhar <shikharbhardwaj68 at gmail.com>
Date:   Thu Dec 15 23:56:06 2016 +0530

    Fix Log compatibility with std::fixed and std::setprecision
    
    Changes /src/mlpack/core/util/prefixedoutstream_impl.hpp
---
 src/mlpack/core/util/prefixedoutstream_impl.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mlpack/core/util/prefixedoutstream_impl.hpp b/src/mlpack/core/util/prefixedoutstream_impl.hpp
index 75855ea..a81bbf1 100644
--- a/src/mlpack/core/util/prefixedoutstream_impl.hpp
+++ b/src/mlpack/core/util/prefixedoutstream_impl.hpp
@@ -44,6 +44,9 @@ void PrefixedOutStream::BaseLogic(const T& val)
   PrefixIfNeeded();
 
   std::ostringstream convert;
+  // Sync flags and precision with destination stream
+  convert.setf(destination.flags());
+  convert.precision(destination.precision());
   convert << val;
 
   if (convert.fail())

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