update clang-format version to 6.0

Author: Sinestro38

scripts/format_all.sh

@@ -19,6 +19,6 @@ python3 -m yapf --style=google --in-place --recursive ./tensorflow_quantum
 echo -e "Done! \nDoing notebook formatting..."
 python3 ./scripts/format_ipynb.py
 echo -e "Done! \nDoing C++ formatting..."
-find tensorflow_quantum/ -iname *.h -o -iname *.cc | xargs clang-format -i -style=google
+find tensorflow_quantum/ -iname *.h -o -iname *.cc | xargs clang-format-6.0 -i -style=google
 echo "Done!"
 exit 0;

scripts/format_check.sh

@@ -92,7 +92,7 @@ else
 fi
 
 echo "Checking C++ formatting...";
-formatting_outputs=$(find tensorflow_quantum/ -iname *.h -o -iname *.cc | xargs clang-format -style=google -output-replacements-xml);
+formatting_outputs=$(find tensorflow_quantum/ -iname *.h -o -iname *.cc | xargs clang-format-6.0 -style=google -output-replacements-xml);
 CFORMATCHECK=0
 while read -r formatting_outputs; do
     if [ "$formatting_outputs" != "<?xml version='1.0'?>" ] && [ "$formatting_outputs" != "<replacements xml:space='preserve' incomplete_format='false'>" ] && [ "$formatting_outputs" != "</replacements>" ] && [ "$formatting_outputs" != "<replacement offset='4290' length='9'> </replacement>" ]; then