diff --git a/.clang-format b/.clang-format
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+# Empirical format config, based on observed style guide
+# Use this only as an help to fit the surrounding code style - don't reformat whole files at once
+---
+BasedOnStyle: LLVM
+AllowShortIfStatementsOnASingleLine: WithoutElse
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Allman
+BreakConstructorInitializers: BeforeComma
+BreakStringLiterals: false
+ColumnLimit: 120
+FixNamespaceComments: false
+IndentPPDirectives: AfterHash
+IndentWidth: 4
+PointerAlignment: Left
+SpaceBeforeParens: Never
+SpacesInParentheses: true
+TabWidth: 4