Adding check script and clang-format file

.clang-format

@@ -0,0 +1,65 @@
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
+AccessModifierOffset: -2
+AlignAfterOpenBracket: true
+AlignConsecutiveAssignments: true
+AlignEscapedNewlinesLeft: false
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AlwaysBreakAfterDefinitionReturnType: false
+AlwaysBreakTemplateDeclarations: false
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: true
+BinPackArguments: true
+ColumnLimit:     100
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+DerivePointerAlignment: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+IndentWrappedFunctionNames: false
+IndentFunctionDeclarationAfterType: false
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: true
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 120
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+SpacesBeforeTrailingComments: 2
+Standard:        Cpp11
+IndentWidth:     2
+TabWidth:        8
+UseTab:          Never
+BreakBeforeBraces: Allman
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpaceAfterCStyleCast: false
+SpacesInContainerLiterals: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+CommentPragmas:  '^ IWYU pragma:'
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+SpaceBeforeParens: ControlStatements
+DisableFormat:   false
+...
+

.travis-check-style.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Add LLVM toolchain
+sudo add-apt-repository 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.9 main'
+wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key | sudo apt-key add -
+
+# Install clang-format
+sudo apt-get update -qq 
+sudo apt-get install -qq -y clang-format-3.9
+
+# If clang-format modifies files, the code does not adhere to the project standards
+if [[ $(clang-format-3.9 -i --style=file fplll/*.{cpp,h} fplll/*/*.{cpp,h} tests/*.cpp && git status -s) ]]; 
+then 
+	tput setaf 1;
+	echo "Code does not adhere to the project standards. Run \"make clang-format -i --style=file fplll/*.{cpp,h} fplll/*/*.{cpp,h} tests/*.cpp\".";
+	exit 1;
+else 
+	tput setaf 2;
+	echo "Code adheres to the project standards.";
+	exit 0;
+fi;

CONTRIBUTING.md

@@ -144,7 +144,7 @@ AllowShortFunctionsOnASingleLine: All
 AlwaysBreakAfterDefinitionReturnType: false
 AlwaysBreakTemplateDeclarations: false
 AlwaysBreakBeforeMultilineStrings: false
-BreakBeforeBinaryOperators: false
+BreakBeforeBinaryOperators: None
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializersBeforeComma: false
 BinPackParameters: true