[SuiteSparse] Adjust whitespace, minor comment format changes

(cherry picked from commit 13673b79)
Signed-off-by: Steffen Müthing <muething@dune-project.org>

cmake/modules/FindSuiteSparse.cmake

 # Module that checks whether SuiteSparse is available.
 #
 # Synopsis:
-#   find_package( SuiteSparse COMPONENTS < list-of-components > )
+#   find_package(SuiteSparse COMPONENTS component1 [component2 ...])
 #
 #  Components are:
 #   amd, btf, camd, ccolamd, cholmod, colamd, cxsparse,
@@ -10,13 +10,12 @@
 # Variables used by this module which you may want to set:
 # SUITESPARSE_ROOT   Path list to search for SuiteSparse
 #
-# Sets the following variables
-#
-# SUITESPARSE_FOUND          True if SuiteSparse was found and usable in the desired setting
-# SUITESPARSE_INCLUDE_DIRS   Path to the SuiteSparse include dirs
-# SUITESPARSE_LIBRARIES      Name of the SuiteSparse libraries
-# SUITESPARSE_<COMP>_FOUND   True if <COMP> was found as part of SuiteSparse
+# Sets the following result variables:
 #
+# SUITESPARSE_FOUND               Whether SuiteSparse was found and usable in the desired setting
+# SUITESPARSE_INCLUDE_DIRS        Path to the SuiteSparse include dirs
+# SUITESPARSE_LIBRARIES           Name of the SuiteSparse libraries
+# SUITESPARSE_<COMPONENT>_FOUND   Whether <COMPONENT> was found as part of SuiteSparse
 
 find_package(BLAS QUIET REQUIRED)
 if(NOT BLAS_FOUND)
@@ -25,75 +24,73 @@ if(NOT BLAS_FOUND)
 endif()
 
 # look for desired componenents
-set( SUITESPARSE_COMPONENTS ${SuiteSparse_FIND_COMPONENTS} )
+set(SUITESPARSE_COMPONENTS ${SuiteSparse_FIND_COMPONENTS})
 
-# resolve inter comp. dependencies
-list( FIND SUITESPARSE_COMPONENTS "umfpack" WILL_USE_UMFPACK )
-if( NOT WILL_USE_UMFPACK EQUAL -1 )
-  list( APPEND SUITESPARSE_COMPONENTS amd cholmod )
+# resolve inter-component dependencies
+list(FIND SUITESPARSE_COMPONENTS "umfpack" WILL_USE_UMFPACK)
+if(NOT WILL_USE_UMFPACK EQUAL -1)
+  list(APPEND SUITESPARSE_COMPONENTS amd cholmod)
 endif()
-list( FIND SUITESPARSE_COMPONENTS "cholmod" WILL_USE_CHOLMOD )
-if( NOT WILL_USE_CHOLMOD EQUAL -1 )
-  list( APPEND SUITESPARSE_COMPONENTS amd camd colamd ccolamd )
+list(FIND SUITESPARSE_COMPONENTS "cholmod" WILL_USE_CHOLMOD)
+if(NOT WILL_USE_CHOLMOD EQUAL -1)
+  list(APPEND SUITESPARSE_COMPONENTS amd camd colamd ccolamd)
 endif()
 
-if( SUITESPARSE_COMPONENTS )
-  list( REMOVE_DUPLICATES SUITESPARSE_COMPONENTS )
+if(SUITESPARSE_COMPONENTS)
+  list(REMOVE_DUPLICATES SUITESPARSE_COMPONENTS)
 endif()
 
-set( ready TRUE )
-foreach( modname ${SUITESPARSE_COMPONENTS} )
-  dune_module_to_uppercase( MODNAME ${modname} )
-  if( NOT SUITESPARSE_${MODNAME}_FOUND )
-    set( ready FALSE )
+set(ready TRUE)
+foreach(modname ${SUITESPARSE_COMPONENTS})
+  dune_module_to_uppercase(MODNAME ${modname})
+  if(NOT SUITESPARSE_${MODNAME}_FOUND)
+    set(ready FALSE)
   endif()
 endforeach()
-if( ready )
-  return ()
+if(ready)
+  return()
 endif()
 
 # find SuiteSparse config:
 # look for library at positions given by the user
-find_library( SUITESPARSE_CONFIG_LIB
+find_library(SUITESPARSE_CONFIG_LIB
   NAMES "suitesparseconfig"
   PATHS ${SUITESPARSE_ROOT}
   PATH_SUFFIXES "lib" "lib32" "lib64" "Lib"
   NO_DEFAULT_PATH
 )
-
-#now  also include the deafult paths
-find_library( SUITESPARSE_CONFIG_LIB
+# now also include the deafult paths
+find_library(SUITESPARSE_CONFIG_LIB
   NAMES "suitesparseconfig"
   PATH_SUFFIXES "lib" "lib32" "lib64" "Lib"
 )
 
 #look for header files at positions given by the user
-find_path( SUITESPARSE_INCLUDE_DIR
+find_path(SUITESPARSE_INCLUDE_DIR
   NAMES "SuiteSparse_config.h"
   PATHS ${SUITESPARSE_ROOT}
   PATH_SUFFIXES "SuiteSparse_config" "SuiteSparse_config/include" "suitesparse" "include" "src" "SuiteSparse_config/Include"
   NO_DEFAULT_PATH
 )
 #now also look for default paths
-find_path( SUITESPARSE_INCLUDE_DIR
+find_path(SUITESPARSE_INCLUDE_DIR
   NAMES "SuiteSparse_config.h"
   PATHS ${SUITESPARSE_ROOT}
   PATH_SUFFIXES "SuiteSparse_config" "SuiteSparse_config/include" "suitesparse" "include" "src" "SuiteSparse_config/Include"
 )
 
-foreach( modname ${SUITESPARSE_COMPONENTS} )
-  dune_module_to_uppercase( MODNAME ${modname} )
+foreach(modname ${SUITESPARSE_COMPONENTS})
+  dune_module_to_uppercase(MODNAME ${modname})
 
   #look for library at positions given by the user
-  find_library( ${MODNAME}_LIBRARY
+  find_library(${MODNAME}_LIBRARY
     NAMES "${modname}"
     PATHS ${SUITESPARSE_ROOT}
     PATH_SUFFIXES "lib" "lib32" "lib64" "${MODNAME}" "${MODNAME}/Lib"
     NO_DEFAULT_PATH
   )
-
   #now  also include the deafult paths
-  find_library( ${MODNAME}_LIBRARY
+  find_library(${MODNAME}_LIBRARY
     NAMES "${modname}"
     PATH_SUFFIXES "lib" "lib32" "lib64" "${MODNAME}" "${MODNAME}/Lib"
   )
@@ -122,61 +119,61 @@ if(CHOLMOD_LIBRARY)
     return()
   endif()
 
-  list( APPEND CHOLMOD_LIBRARY ${AMD_LIBRARY} ${COLAMD_LIBRARY} )
-  if( CAMD_LIBRARY )
-    list( APPEND CHOLMOD_LIBRARY ${CAMD_LIBRARY} )
+  list(APPEND CHOLMOD_LIBRARY ${AMD_LIBRARY} ${COLAMD_LIBRARY})
+  if(CAMD_LIBRARY)
+    list(APPEND CHOLMOD_LIBRARY ${CAMD_LIBRARY})
   endif()
-  if( CCOLAMD_LIBRARY )
-    list( APPEND CHOLMOD_LIBRARY ${CCOLAMD_LIBRARY} )
+  if(CCOLAMD_LIBRARY)
+    list(APPEND CHOLMOD_LIBRARY ${CCOLAMD_LIBRARY})
   endif()
-  list( REVERSE CHOLMOD_LIBRARY )
+  list(REVERSE CHOLMOD_LIBRARY)
   # remove duplicates
-  list( REMOVE_DUPLICATES CHOLMOD_LIBRARY )
-  list( REVERSE CHOLMOD_LIBRARY )
+  list(REMOVE_DUPLICATES CHOLMOD_LIBRARY)
+  list(REVERSE CHOLMOD_LIBRARY)
 endif()
 
 # UMFPack requires AMD, can depend on CHOLMOD
-if( UMFPACK_LIBRARY )
+if(UMFPACK_LIBRARY)
   # check wether cholmod was found
-  if( CHOLMOD_LIBRARY )
-    list( APPEND UMFPACK_LIBRARY ${CHOLMOD_LIBRARY} )
+  if(CHOLMOD_LIBRARY)
+    list(APPEND UMFPACK_LIBRARY ${CHOLMOD_LIBRARY})
   else()
-    list( APPEND UMFPACK_LIBRARY ${AMD_LIBRARY} )
+    list(APPEND UMFPACK_LIBRARY ${AMD_LIBRARY})
   endif()
-  list( REVERSE UMFPACK_LIBRARY )
+  list(REVERSE UMFPACK_LIBRARY)
   # remove duplicates
-  list( REMOVE_DUPLICATES UMFPACK_LIBRARY )
-  list( REVERSE UMFPACK_LIBRARY )
+  list(REMOVE_DUPLICATES UMFPACK_LIBRARY)
+  list(REVERSE UMFPACK_LIBRARY)
 endif()
 
-set( SUITESPARSE_FOUND TRUE )
+set(SUITESPARSE_FOUND TRUE)
 # check wether everything was found
-foreach( modname ${SUITESPARSE_COMPONENTS} )
-  dune_module_to_uppercase( MODNAME ${modname} )
-  set( SUITESPARSE_${MODNAME}_FOUND TRUE )
-  if( ${MODNAME}_LIBRARY AND ${MODNAME}_INCLUDE_DIR )
-    list( APPEND SUITESPARSE_INCLUDE_DIR "${${MODNAME}_INCLUDE_DIR}" )
-    list( APPEND SUITESPARSE_LIBRARY "${${MODNAME}_LIBRARY}" )
+foreach(modname ${SUITESPARSE_COMPONENTS})
+  dune_module_to_uppercase(MODNAME ${modname})
+  set(SUITESPARSE_${MODNAME}_FOUND TRUE)
+  if(${MODNAME}_LIBRARY AND ${MODNAME}_INCLUDE_DIR)
+    list(APPEND SUITESPARSE_INCLUDE_DIR "${${MODNAME}_INCLUDE_DIR}")
+    list(APPEND SUITESPARSE_LIBRARY "${${MODNAME}_LIBRARY}")
   else()
-      set( SUITESPARSE_FOUND FALSE )
+      set(SUITESPARSE_FOUND FALSE)
   endif()
 
-  set( HAVE_SUITESPARSE_${MODNAME} 1 )
-  mark_as_advanced( HAVE_SUITESPARSE_${MODNAME} )
-  mark_as_advanced( SUITESPARSE_${MODNAME}_FOUND )
+  set(HAVE_SUITESPARSE_${MODNAME} 1)
+  mark_as_advanced(HAVE_SUITESPARSE_${MODNAME})
+  mark_as_advanced(SUITESPARSE_${MODNAME}_FOUND)
 endforeach()
 
-list( APPEND SUITESPARSE_LIBRARY ${SUITESPARSE_CONFIG_LIB} )
+list(APPEND SUITESPARSE_LIBRARY ${SUITESPARSE_CONFIG_LIB})
 
 # make them unique
-if( SUITESPARSE_INCLUDE_DIR )
-  list( REMOVE_DUPLICATES SUITESPARSE_INCLUDE_DIR )
+if(SUITESPARSE_INCLUDE_DIR)
+  list(REMOVE_DUPLICATES SUITESPARSE_INCLUDE_DIR)
 endif()
 
-if( SUITESPARSE_LIBRARY )
-  list( REVERSE SUITESPARSE_LIBRARY )
-  list( REMOVE_DUPLICATES SUITESPARSE_LIBRARY )
-  list( REVERSE SUITESPARSE_LIBRARY )
+if(SUITESPARSE_LIBRARY)
+  list(REVERSE SUITESPARSE_LIBRARY)
+  list(REMOVE_DUPLICATES SUITESPARSE_LIBRARY)
+  list(REVERSE SUITESPARSE_LIBRARY)
 endif()
 
 
@@ -193,28 +190,28 @@ mark_as_advanced(SUITESPARSE_INCLUDE_DIR SUITESPARSE_LIBRARY)
 
 # if both headers and library are found, store results
 if(SUITESPARSE_FOUND)
-  set(SUITESPARSE_LIBRARIES ${SUITESPARSE_LIBRARY} )
-  set(SUITESPARSE_INCLUDE_DIRS ${SUITESPARSE_INCLUDE_DIR} )
+  set(SUITESPARSE_LIBRARIES ${SUITESPARSE_LIBRARY})
+  set(SUITESPARSE_INCLUDE_DIRS ${SUITESPARSE_INCLUDE_DIR})
   # log result
   file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
     "Determining location of SuiteSparse succeded:\n"
     "Include directory: ${SUITESPARSE_INCLUDE_DIRS}\n"
     "Library directory: ${SUITESPARSE_LIBRARIES}\n\n")
-  set( SUITESPARSE_COMPILER_FLAGS )
+  set(SUITESPARSE_COMPILER_FLAGS)
   foreach(dir ${SUITESPARSE_INCLUDE_DIRS})
-    set( SUITESPARSE_COMPILER_FLAGS "${SUITESPARSE_COMPILER_FLAGS} -I${dir}/" )
+    set(SUITESPARSE_COMPILER_FLAGS "${SUITESPARSE_COMPILER_FLAGS} -I${dir}/")
   endforeach()
   set(SUITESPARSE_DUNE_COMPILE_FLAGS ${SUITESPARSE_COMPILER_FLAGS}
     CACHE STRING "Compile Flags used by DUNE when compiling with SuiteSparse programs")
   set(SUITESPARSE_DUNE_LIBRARIES ${BLAS_LIBRARIES} ${SUITESPARSE_LIBRARIES}
     CACHE STRING "Libraries used by DUNE when linking SuiteSparse programs")
-else(SUITESPARSE_FOUND)
+else()
   # log errornous result
   file(APPEND ${CMAKE_BINARY_DIR}${CMAKES_FILES_DIRECTORY}/CMakeError.log
     "Determing location of SuiteSparse failed:\n"
     "Include directory: ${SUITESPARSE_INCLUDE_DIRS}\n"
     "Library directory: ${SUITESPARSE_LIBRARIES}\n\n")
-endif(SUITESPARSE_FOUND)
+endif()
 
 #set HAVE_SUITESPARSE for config.h
 set(HAVE_SUITESPARSE ${SUITESPARSE_FOUND})