Formatting changes + fix windows OSS build (#406)

Summary:
Add .clang-format 
Copied from https://github.com/pytorch/pytorch/blob/main/.clang-format


Reviewed By: wconstab, fduwjj

Differential Revision: D69275930

Pulled By: c-p-i-o

Author: c-p-i-o

.github/config/lint/.clang-format

@@ -0,0 +1,127 @@
+---
+AccessModifierOffset: -1
+AlignAfterOpenBracket: AlwaysBreak
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: true
+AlignOperands:   false
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: false
+ColumnLimit:     120
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ForEachMacros:
+  - FOR_EACH_RANGE
+  - FOR_EACH
+IncludeCategories:
+  - Regex:           '^<.*\.h(pp)?>'
+    Priority:        1
+  - Regex:           '^<.*'
+    Priority:        2
+  - Regex:           '.*'
+    Priority:        3
+IndentCaseLabels: true
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+Macros:
+  - >-
+    PyObject_HEAD_INIT(type)={
+        /* this is not exactly match with PyObject_HEAD_INIT in Python source code
+         * but it is enough for clang-format */
+        { 0xFFFFFFFF },
+        (type)
+    },
+  - >-
+    PyVarObject_HEAD_INIT(type, size)={
+        {
+            /* manually expand PyObject_HEAD_INIT(type) above
+             * because clang-format do not support recursive expansion */
+            { 0xFFFFFFFF },
+            (type)
+        },
+        (size)
+    },
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 2000000
+PointerAlignment: Left
+PPIndentWidth: 0
+ReflowComments:  true
+SortIncludes:    true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        c++17
+StatementMacros:
+  - C10_DEFINE_bool
+  - C10_DEFINE_int
+  - C10_DEFINE_int32
+  - C10_DEFINE_int64
+  - C10_DEFINE_string
+  - C10_DEFINE_REGISTRY_WITHOUT_WARNING
+  - C10_REGISTER_CREATOR
+  - DEFINE_BINARY
+  - PyObject_HEAD
+  - PyObject_VAR_HEAD
+  - PyException_HEAD
+  - TORCH_DECLARE_bool
+
+TabWidth:        8
+UseTab:          Never
+---
+Language: ObjC
+ColumnLimit: 120
+AlignAfterOpenBracket: Align
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+...

.github/workflows/build-windows.yml

@@ -49,22 +49,22 @@ jobs:
           cd libuv-v1.38.0
           mkdir -p build
           cd build
-          mkdir -p ${{ env.gtest_lib_path }}
+          mkdir -p ${{ env.libuv_path }}
           cmake .. -DCMAKE_INSTALL_PREFIX=${{ env.libuv_path }}
           msbuild INSTALL.vcxproj
       - name: Install googletest
         run: |
           conda activate py376_build
-          curl https://codeload.github.com/google/googletest/tar.gz/release-1.10.0 --output `
-            googletest-release-1.10.0.tar.gz
-          tar xzvf googletest-release-1.10.0.tar.gz
-          cd googletest-release-1.10.0
+          curl -L https://github.com/google/googletest/releases/download/v1.15.2/googletest-1.15.2.tar.gz `
+            --output googletest-1.15.2.tar.gz
+          tar xzvf googletest-1.15.2.tar.gz
+          cd googletest-1.15.2
           mkdir -p build
           cd build
           if (Test-Path -Path ${{ env.gtest_lib_path }}) {
             echo "Directory already exists"
           } else {
-            mkdir ${{ env.gtest_lib_path }}
+            mkdir -p ${{ env.gtest_lib_path }}
           }
           cmake ..  -DCMAKE_INSTALL_PREFIX=${{ env.gtest_lib_path }}  -Dgtest_force_shared_crt=ON
           msbuild INSTALL.vcxproj
@@ -76,9 +76,9 @@ jobs:
           mkdir -p build
           cd build
           cmake ..  -DBUILD_TEST=ON -Dlibuv_ROOT=${{ env.libuv_path }} `
-            -DGTEST_LIBRARY=${{ env.gtest_lib_path }}/lib/gtestd.lib `
+            -DGTEST_LIBRARY=${{ env.gtest_lib_path }}/lib/gtest.lib `
             -DGTEST_INCLUDE_DIR=${{ env.gtest_lib_path }}/include `
-            -DGTEST_MAIN_LIBRARY=${{ env.gtest_lib_path }}/lib/gtest_maind.lib
+            -DGTEST_MAIN_LIBRARY=${{ env.gtest_lib_path }}/lib/gtest_main.lib
           msbuild ALL_BUILD.vcxproj
       - name: Test
         run: |

.github/workflows/super-linter.yml

@@ -34,3 +34,5 @@ jobs:
           DEFAULT_BRANCH: "main"
           # disable JSCPD (copy-paste checker)
           VALIDATE_JSCPD: false
+          # disable CPP
+          VALIDATE_CPP: false

gloo/allreduce_bcube.h

@@ -15,7 +15,10 @@
 #include <cstring>
 #include <iomanip>
 #include <iostream>
+#include <memory>
+#include <string>
 #include <unordered_map>
+#include <vector>
 
 #include "gloo/algorithm.h"
 #include "gloo/common/error.h"

gloo/test/base_test.h

@@ -66,7 +66,7 @@ enum Transport {
 };
 
 // Transports that instantiated algorithms can be tested against.
-const std::vector<Transport> kTransportsForClassAlgorithms{
+const std::vector<Transport> kTransportsForClassAlgorithms = {
     Transport::TCP,
 #if GLOO_HAVE_TRANSPORT_TCP_TLS
     Transport::TCP_TLS,
@@ -76,7 +76,7 @@ const std::vector<Transport> kTransportsForClassAlgorithms{
 // Transports that function algorithms can be tested against.
 // This is the new style of calling collectives and must be
 // preferred over the instantiated style.
-const std::vector<Transport> kTransportsForFunctionAlgorithms{
+const std::vector<Transport> kTransportsForFunctionAlgorithms = {
     Transport::TCP,
 #if GLOO_HAVE_TRANSPORT_TCP_TLS
     Transport::TCP_TLS,