Revise C++ coding style using clang-format-6.0

Run the `clang-format.bash` script to update all our C and C++ code to a
new style defined by `.clang-format`.  Use `clang-format` version 6.0.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

8 files changed, 29 insertions, 29 deletions

diff --git a/Modules/CMakeCCompilerABI.c b/Modules/CMakeCCompilerABI.c
index 55f9a9b..08cf39b 100644
--- a/Modules/CMakeCCompilerABI.c
+++ b/Modules/CMakeCCompilerABI.c
@@ -1,9 +1,9 @@
 #ifdef __cplusplus
-#error "A C++ compiler has been selected for C."
+#  error "A C++ compiler has been selected for C."
 #endif
 
 #ifdef __CLASSIC_C__
-#define const
+#  define const
 #endif
 
 #include "CMakeCompilerABI.h"
diff --git a/Modules/CMakeCUDACompilerABI.cu b/Modules/CMakeCUDACompilerABI.cu
index 99bacef..702a7c5 100644
--- a/Modules/CMakeCUDACompilerABI.cu
+++ b/Modules/CMakeCUDACompilerABI.cu
@@ -1,5 +1,5 @@
 #ifndef __CUDACC__
-#error "A C or C++ compiler has been selected for CUDA"
+#  error "A C or C++ compiler has been selected for CUDA"
 #endif
 
 #include "CMakeCompilerABI.h"
diff --git a/Modules/CMakeCXXCompilerABI.cpp b/Modules/CMakeCXXCompilerABI.cpp
index 2dee883..2360534 100644
--- a/Modules/CMakeCXXCompilerABI.cpp
+++ b/Modules/CMakeCXXCompilerABI.cpp
@@ -1,5 +1,5 @@
 #ifndef __cplusplus
-#error "A C compiler has been selected for C++."
+#  error "A C compiler has been selected for C++."
 #endif
 
 #include "CMakeCompilerABI.h"
diff --git a/Modules/CMakeCompilerABI.h b/Modules/CMakeCompilerABI.h
index 1f9abb1..6f36b03 100644
--- a/Modules/CMakeCompilerABI.h
+++ b/Modules/CMakeCompilerABI.h
@@ -11,27 +11,27 @@ const char info_sizeof_dptr[] = {
 
 /* Application Binary Interface.  */
 #if defined(__sgi) && defined(_ABIO32)
-#define ABI_ID "ELF O32"
+#  define ABI_ID "ELF O32"
 #elif defined(__sgi) && defined(_ABIN32)
-#define ABI_ID "ELF N32"
+#  define ABI_ID "ELF N32"
 #elif defined(__sgi) && defined(_ABI64)
-#define ABI_ID "ELF 64"
+#  define ABI_ID "ELF 64"
 
 /* Check for (some) ARM ABIs.
  * See e.g. http://wiki.debian.org/ArmEabiPort for some information on this. */
 #elif defined(__GNU__) && defined(__ELF__) && defined(__ARM_EABI__)
-#define ABI_ID "ELF ARMEABI"
+#  define ABI_ID "ELF ARMEABI"
 #elif defined(__GNU__) && defined(__ELF__) && defined(__ARMEB__)
-#define ABI_ID "ELF ARM"
+#  define ABI_ID "ELF ARM"
 #elif defined(__GNU__) && defined(__ELF__) && defined(__ARMEL__)
-#define ABI_ID "ELF ARM"
+#  define ABI_ID "ELF ARM"
 
 #elif defined(__linux__) && defined(__ELF__) && defined(__amd64__) &&         \
   defined(__ILP32__)
-#define ABI_ID "ELF X32"
+#  define ABI_ID "ELF X32"
 
 #elif defined(__ELF__)
-#define ABI_ID "ELF"
+#  define ABI_ID "ELF"
 #endif
 
 #if defined(ABI_ID)
diff --git a/Modules/CheckFunctionExists.c b/Modules/CheckFunctionExists.c
index 224e340..13435e0 100644
--- a/Modules/CheckFunctionExists.c
+++ b/Modules/CheckFunctionExists.c
@@ -1,19 +1,19 @@
 #ifdef CHECK_FUNCTION_EXISTS
 
-#ifdef __cplusplus
+#  ifdef __cplusplus
 extern "C"
-#endif
+#  endif
   char
   CHECK_FUNCTION_EXISTS(void);
-#ifdef __CLASSIC_C__
+#  ifdef __CLASSIC_C__
 int main()
 {
   int ac;
   char* av[];
-#else
+#  else
 int main(int ac, char* av[])
 {
-#endif
+#  endif
   CHECK_FUNCTION_EXISTS();
   if (ac > 1000) {
     return *av[0];
@@ -23,6 +23,6 @@ int main(int ac, char* av[])
 
 #else /* CHECK_FUNCTION_EXISTS */
 
-#error "CHECK_FUNCTION_EXISTS has to specify the function"
+#  error "CHECK_FUNCTION_EXISTS has to specify the function"
 
 #endif /* CHECK_FUNCTION_EXISTS */
diff --git a/Modules/CheckVariableExists.c b/Modules/CheckVariableExists.c
index 6e94877..d68afb4 100644
--- a/Modules/CheckVariableExists.c
+++ b/Modules/CheckVariableExists.c
@@ -2,15 +2,15 @@
 
 extern int CHECK_VARIABLE_EXISTS;
 
-#ifdef __CLASSIC_C__
+#  ifdef __CLASSIC_C__
 int main()
 {
   int ac;
   char* av[];
-#else
+#  else
 int main(int ac, char* av[])
 {
-#endif
+#  endif
   if (ac > 1000) {
     return *av[0];
   }
@@ -19,6 +19,6 @@ int main(int ac, char* av[])
 
 #else /* CHECK_VARIABLE_EXISTS */
 
-#error "CHECK_VARIABLE_EXISTS has to specify the variable"
+#  error "CHECK_VARIABLE_EXISTS has to specify the variable"
 
 #endif /* CHECK_VARIABLE_EXISTS */
diff --git a/Modules/FindMPI/libver_mpi.c b/Modules/FindMPI/libver_mpi.c
index be9d19d..18d4a60 100644
--- a/Modules/FindMPI/libver_mpi.c
+++ b/Modules/FindMPI/libver_mpi.c
@@ -1,9 +1,9 @@
 #include <mpi.h>
 
 #ifdef __cplusplus
-#include <cstdio>
+#  include <cstdio>
 #else
-#include <stdio.h>
+#  include <stdio.h>
 #endif
 
 int main(int argc, char* argv[])
diff --git a/Modules/FindMPI/test_mpi.c b/Modules/FindMPI/test_mpi.c
index b8a308a..05cec89 100644
--- a/Modules/FindMPI/test_mpi.c
+++ b/Modules/FindMPI/test_mpi.c
@@ -1,9 +1,9 @@
 #include <mpi.h>
 
 #ifdef __cplusplus
-#include <cstdio>
+#  include <cstdio>
 #else
-#include <stdio.h>
+#  include <stdio.h>
 #endif
 
 #if defined(MPI_VERSION) && defined(MPI_SUBVERSION)
@@ -21,11 +21,11 @@ const char mpiver_str[] = { 'I', 'N',
 int main(int argc, char* argv[])
 {
 #if defined(MPI_VERSION) && defined(MPI_SUBVERSION)
-#ifdef __cplusplus
+#  ifdef __cplusplus
   std::puts(mpiver_str);
-#else
+#  else
   puts(mpiver_str);
-#endif
+#  endif
 #endif
 #ifdef TEST_MPI_MPICXX
   MPI::MPI_Init(&argc, &argv);