Fix typos.

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-This file may not always be up to date in particular for the unrealeased
+This file may not always be up to date in particular for the unreleased
 commits. For a comprehensive list, use the following command:
 ```bash
 git log --first-parent
@@ -22,10 +22,10 @@ Supported systems and requirements:
  + Apple LLVM: 8.0+
  + CUDA module: CUDA 9.0+
 + Windows
- + MinGW and CygWin: gcc 5.3+, 6.3+, 7.3+, 8.1+
+ + MinGW and Cygwin: gcc 5.3+, 6.3+, 7.3+, 8.1+
  + Microsoft Visual Studio: VS 2017 15.7+
  + CUDA module: CUDA 9.0+, Microsoft Visual Studio
- + OpenMP module: MinGW or CygWin.
+ + OpenMP module: MinGW or Cygwin.
 
 
 The current known issues can be found in the [known issues
@@ -38,7 +38,7 @@ page](https://github.com/ginkgo-project/ginkgo/wiki/Known-Issues).
  algorithm ([#305](https://github.com/ginkgo-project/ginkgo/issues/305), [#315](https://github.com/ginkgo-project/ginkgo/issues/315), [#319](https://github.com/ginkgo-project/ginkgo/issues/319), [#324](https://github.com/ginkgo-project/ginkgo/issues/324))
 + New ILU preconditioner ([#348](https://github.com/ginkgo-project/ginkgo/issues/348), [#353](https://github.com/ginkgo-project/ginkgo/issues/353))
 + Windows MinGW and Cygwin support ([#347](https://github.com/ginkgo-project/ginkgo/issues/347))
-+ Windows Visual studio support ([#351](https://github.com/ginkgo-project/ginkgo/issues/351))
++ Windows Visual Studio support ([#351](https://github.com/ginkgo-project/ginkgo/issues/351))
 + New example showing how to use ParILU as a preconditioner ([#358](https://github.com/ginkgo-project/ginkgo/issues/358))
 + New example on using loggers for debugging ([#360](https://github.com/ginkgo-project/ginkgo/issues/360))
 + Add two new 9pt and 27pt stencil examples ([#300](https://github.com/ginkgo-project/ginkgo/issues/300), [#306](https://github.com/ginkgo-project/ginkgo/issues/306))

INSTALL.md

@@ -17,13 +17,14 @@ Ginkgo adds the following additional switches to control what is being built:
 
 * `-DGINKGO_DEVEL_TOOLS={ON, OFF}` sets up the build system for development
  (requires clang-format, will also download git-cmake-format),
- default is `ON`
+ default is `ON`.
 * `-DGINKGO_BUILD_TESTS={ON, OFF}` builds Ginkgo's tests
- (will download googletest), default is `ON`
+ (will download googletest), default is `ON`.
 * `-DGINKGO_BUILD_BENCHMARKS={ON, OFF}` builds Ginkgo's benchmarks
- (will download gflags and rapidjson), default is `ON`
+ (will download gflags and rapidjson), default is `ON`.
 * `-DGINKGO_BUILD_EXAMPLES={ON, OFF}` builds Ginkgo's examples, default is `ON`
-* `-DGINKGO_BUILD_EXTLIB_EXAMPLE={ON, OFF}` builds the interfacing example with deal.II, default is `OFF`
+* `-DGINKGO_BUILD_EXTLIB_EXAMPLE={ON, OFF}` builds the interfacing example
+ with deal.II, default is `OFF`.
 * `-DGINKGO_BUILD_REFERENCE={ON, OFF}` build reference implementations of the
  kernels, useful for testing, default is `ON`
 * `-DGINKGO_BUILD_OMP={ON, OFF}` builds optimized OpenMP versions of the kernels,
@@ -42,21 +43,21 @@ Ginkgo adds the following additional switches to control what is being built:
  CMake package registry. The default is `OFF`.
 * `-DGINKGO_WITH_CLANG_TIDY={ON, OFF}` makes Ginkgo call `clang-tidy` to find
  programming issues. The path can be manually controlled with the CMake
- variable `-DGINKGO_CLANG_TIDY_PATH=<path>`.
+ variable `-DGINKGO_CLANG_TIDY_PATH=<path>`. The default is `OFF`.
 * `-DGINKGO_WITH_IWYU={ON, OFF}` makes Ginkgo call `iwyu` to find include
  issues. The path can be manually controlled with the CMake variable
- `-DGINKGO_IWYU_PATH=<path>`. 
+ `-DGINKGO_IWYU_PATH=<path>`. The default is `OFF`.
 * `-DGINKGO_VERBOSE_LEVEL=integer` sets the verbosity of Ginkgo.
  * `0` disables all output in the main libraries,
  * `1` enables a few important messages related to unexpected behavior (default).
 * `-DCMAKE_INSTALL_PREFIX=path` sets the installation path for `make install`.
- The default value is usually something like `/usr/local`
+ The default value is usually something like `/usr/local`.
 * `-DCMAKE_BUILD_TYPE=type` specifies which configuration will be used for
  this build of Ginkgo. The default is `RELEASE`. Supported values are CMake's
  standard build types such as `DEBUG` and `RELEASE` and the Ginkgo specific 
  `COVERAGE`, `ASAN` (AddressSanitizer) and `TSAN` (ThreadSanitizer) types.
 * `-DBUILD_SHARED_LIBS={ON, OFF}` builds ginkgo as shared libraries (`OFF`)
- or as dynamic libraries (`ON`), default is `ON`
+ or as dynamic libraries (`ON`), default is `ON`.
 * `-DGINKGO_JACOBI_FULL_OPTIMIZATIONS={ON, OFF}` use all the optimizations
  for the CUDA Jacobi algorithm. `OFF` by default. Setting this option to `ON`
  may lead to very slow compile time (>20 minutes) for the
@@ -92,7 +93,7 @@ Ginkgo adds the following additional switches to control what is being built:
  program, default is `windows_shared_library`.
 * `-DGINKGO_CHECK_PATH={ON, OFF}` checks if the environment variable PATH is valid.
  It is checked only when building shared libraries and executable program,
- default is `ON`
+ default is `ON`.
 
 For example, to build everything (in debug mode), use:
 
@@ -135,7 +136,7 @@ Information, see the [CMake documentation for
 CMAKE_PREFIX_PATH](https://cmake.org/cmake/help/v3.9/variable/CMAKE_PREFIX_PATH.html)
 for details.
 
-To manually configure the paths Ginkgo relies on the [standard xSDK Installation
+To manually configure the paths, Ginkgo relies on the [standard xSDK Installation
 policies](https://xsdk.info/policies/) for all packages except `CAS` (as it is
 neither a library nor a header, it cannot be expressed through the `TPL`
 format):

README.md

@@ -57,10 +57,10 @@ The prequirement needs to be verified
 * _cmake 3.9+_
 * C++11 compliant 64-bits compiler:
  * _MinGW : gcc 5.3+, 6.3+, 7.3+, 8.1+_
- * _CygWin : gcc 5.3+, 6.3+, 7.3+, 8.1+_
+ * _Cygwin : gcc 5.3+, 6.3+, 7.3+, 8.1+_
  * _Microsoft Visual Studio : VS 2017 15.7+_
 
-__NOTE:__ Need to add `--autocrlf=input` after `git clone` in _CygWin_.
+__NOTE:__ Need to add `--autocrlf=input` after `git clone` in _Cygwin_.
 
 The Ginkgo CUDA module has the following __additional__ requirements: