Add CMake and clang format configuration files.

.clang-format

@@ -0,0 +1,9 @@
+---
+Language:        Cpp
+BasedOnStyle: Google
+DerivePointerAlignment: false
+PointerAlignment: Right
+AllowShortIfStatementsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: true
+AllowShortLoopsOnASingleLine: false
+...

.cmake-format.py

@@ -0,0 +1,102 @@
+# Generated with cmake-format 0.5.1
+# How wide to allow formatted cmake files
+line_width = 80
+
+# How many spaces to tab for indent
+tab_size = 2
+
+# If arglists are longer than this, break them always
+max_subargs_per_line = 10
+
+# If true, separate flow control names from their parentheses with a space
+separate_ctrl_name_with_space = False
+
+# If true, separate function names from parentheses with a space
+separate_fn_name_with_space = False
+
+# If a statement is wrapped to more than one line, than dangle the closing
+# parenthesis on its own line
+dangle_parens = False
+
+# What character to use for bulleted lists
+bullet_char = '*'
+
+# What character to use as punctuation after numerals in an enumerated list
+enum_char = '.'
+
+# What style line endings to use in the output.
+line_ending = u'unix'
+
+# Format command names consistently as 'lower' or 'upper' case
+command_case = u'lower'
+
+# Format keywords consistently as 'lower' or 'upper' case
+keyword_case = u'unchanged'
+
+# Specify structure for custom cmake functions
+additional_commands = {
+  "foo": {
+    "flags": [
+      "BAR",
+      "BAZ"
+    ],
+    "kwargs": {
+      "HEADERS": "*",
+      "DEPENDS": "*",
+      "SOURCES": "*"
+    }
+  }
+}
+
+# A list of command names which should always be wrapped
+always_wrap = []
+
+# Specify the order of wrapping algorithms during successive reflow attempts
+algorithm_order = [0, 1, 2, 3, 4]
+
+# If true, the argument lists which are known to be sortable will be sorted
+# lexicographicall
+autosort = False
+
+# enable comment markup parsing and reflow
+enable_markup = True
+
+# If comment markup is enabled, don't reflow the first comment block in
+# eachlistfile. Use this to preserve formatting of your
+# copyright/licensestatements.
+first_comment_is_literal = False
+
+# If comment markup is enabled, don't reflow any comment block which matchesthis
+# (regex) pattern. Default is `None` (disabled).
+literal_comment_pattern = None
+
+# Regular expression to match preformat fences in comments
+# default=r'^\s*([`~]{3}[`~]*)(.*)$'
+fence_pattern = u'^\\s*([`~]{3}[`~]*)(.*)$'
+
+# Regular expression to match rulers in comments
+# default=r'^\s*[^\w\s]{3}.*[^\w\s]{3}$'
+ruler_pattern = u'^\\s*[^\\w\\s]{3}.*[^\\w\\s]{3}$'
+
+# If true, emit the unicode byte-order mark (BOM) at the start of the file
+emit_byteorder_mark = False
+
+# If a comment line starts with at least this many consecutive hash characters,
+# then don't lstrip() them off. This allows for lazy hash rulers where the first
+# hash char is not separated by space
+hashruler_min_length = 10
+
+# If true, then insert a space between the first hash char and remaining hash
+# chars in a hash ruler, and normalize its length to fill the column
+canonicalize_hashrulers = True
+
+# Specify the encoding of the input file. Defaults to utf-8.
+input_encoding = u'utf-8'
+
+# Specify the encoding of the output file. Defaults to utf-8. Note that cmake
+# only claims to support utf-8 so be careful when using anything else
+output_encoding = u'utf-8'
+
+# A dictionary containing any per-command configuration overrides. Currently
+# only `command_case` is supported.
+per_command = {}