tweak root/Mainpage.dox to make it compatible with kde's doxygen.sh script

plus some hacks to compile the examples from doxygen...
Hopefully, api.kde.org/eigen2 will be beautiful by tomorrow....

Mainpage.dox

@@ -1,3 +1,105 @@
+
+
+// DOXYGEN_SET_PROJECT_NAME         = Eigen
+// DOXYGEN_SET_PROJECT_NUMBER       = "2.0-beta1 (local)"
+
+// DOXYGEN_SET_CREATE_SUBDIRS             = NO
+// DOXYGEN_SET_BRIEF_MEMBER_DESC          = YES
+// DOXYGEN_SET_REPEAT_BRIEF           = YES
+// DOXYGEN_SET_ALWAYS_DETAILED_SEC    = NO
+// DOXYGEN_SET_INLINE_INHERITED_MEMB  = NO
+// DOXYGEN_SET_FULL_PATH_NAMES        = NO
+// DOXYGEN_SET_SHORT_NAMES            = NO
+// DOXYGEN_SET_JAVADOC_AUTOBRIEF      = NO
+// DOXYGEN_SET_QT_AUTOBRIEF           = NO
+// DOXYGEN_SET_MULTILINE_CPP_IS_BRIEF = NO
+// DOXYGEN_SET_DETAILS_AT_TOP         = YES
+// DOXYGEN_SET_INHERIT_DOCS           = YES
+// DOXYGEN_SET_ALIASES                = "only_for_vectors=This is only for vectors (either row-vectors or column-vectors), i.e. matrices which are known at compile-time to have either one row or one column."                          "array_module=This is defined in the %Array module. \code #include <Eigen/Array> \endcode"                          "lu_module=This is defined in the %LU module. \code #include <Eigen/LU> \endcode"                          "cholesky_module=This is defined in the %Cholesky module. \code #include <Eigen/Cholesky> \endcode"                          "qr_module=This is defined in the %QR module. \code #include <Eigen/QR> \endcode"                          "svd_module=This is defined in the %SVD module. \code #include <Eigen/SVD> \endcode"                          "geometry_module=This is defined in the %Geometry module. \code #include <Eigen/Geometry> \endcode"                          "regression_module=This is defined in the %Regression module. \code #include <Eigen/Regression> \endcode"                          "addexample=\anchor"                           "label=\bug"
+// DOXYGEN_SET_DISTRIBUTE_GROUP_DOC   = NO
+// DOXYGEN_SET_SUBGROUPING            = YES
+// DOXYGEN_SET_TYPEDEF_HIDES_STRUCT   = NO
+
+// DOXYGEN_SET_EXTRACT_ALL            = NO
+// DOXYGEN_SET_EXTRACT_PRIVATE        = NO
+// DOXYGEN_SET_EXTRACT_STATIC         = NO
+// DOXYGEN_SET_EXTRACT_LOCAL_CLASSES  = NO
+// DOXYGEN_SET_EXTRACT_LOCAL_METHODS  = NO
+// DOXYGEN_SET_EXTRACT_ANON_NSPACES   = NO
+// DOXYGEN_SET_HIDE_UNDOC_MEMBERS     = NO
+// DOXYGEN_SET_HIDE_UNDOC_CLASSES     = YES
+// DOXYGEN_SET_HIDE_FRIEND_COMPOUNDS  = YES
+// DOXYGEN_SET_HIDE_IN_BODY_DOCS      = NO
+// DOXYGEN_SET_INTERNAL_DOCS          = NO
+// DOXYGEN_SET_CASE_SENSE_NAMES       = YES
+// DOXYGEN_SET_HIDE_SCOPE_NAMES       = YES
+// DOXYGEN_SET_SHOW_INCLUDE_FILES     = YES
+// DOXYGEN_SET_INLINE_INFO            = YES
+// DOXYGEN_SET_SORT_MEMBER_DOCS       = YES
+// DOXYGEN_SET_SORT_BRIEF_DOCS        = YES
+// DOXYGEN_SET_SORT_GROUP_NAMES       = NO
+// DOXYGEN_SET_SORT_BY_SCOPE_NAME     = NO
+// DOXYGEN_SET_GENERATE_TODOLIST      = NO
+// DOXYGEN_SET_GENERATE_TESTLIST      = NO
+// DOXYGEN_SET_GENERATE_BUGLIST       = NO
+// DOXYGEN_SET_GENERATE_DEPRECATEDLIST= NO
+// DOXYGEN_SET_SHOW_USED_FILES        = YES
+// DOXYGEN_SET_SHOW_DIRECTORIES       = NO
+// DOXYGEN_SET_SHOW_FILES             = YES
+// DOXYGEN_SET_SHOW_NAMESPACES        = NO
+
+// DOXYGEN_SET_WARN_IF_UNDOCUMENTED   = NO
+// DOXYGEN_SET_WARN_NO_PARAMDOC       = NO
+
+// DOXYGEN_SET_INPUT                  = @topdir@/eigen2/doc/examples/ @topdir@/eigen2/doc/snippets/ @topdir@/eigen2/Eigen @topdir@/eigen2/doc
+
+// DOXYGEN_SET_EXAMPLE_PATH           = @topdir@/eigen2/doc/snippets/ @topdir@/eigen2/doc/examples/ eigen2/out/
+
+// DOXYGEN_SET_FILE_PATTERNS          = *
+// DOXYGEN_SET_RECURSIVE              = NO
+// DOXYGEN_SET_FILTER_PATTERNS        = *.cpp=@topdir@/eigen2/doc/apidox_preprocessing.sh
+// DOXYGEN_SET_FILTER_SOURCE_FILES    = YES
+
+// DOXYGEN_SET_SOURCE_BROWSER         = NO
+// DOXYGEN_SET_INLINE_SOURCES         = NO
+// DOXYGEN_SET_STRIP_CODE_COMMENTS    = YES
+// DOXYGEN_SET_REFERENCED_BY_RELATION = YES
+// DOXYGEN_SET_REFERENCES_RELATION    = YES
+// DOXYGEN_SET_REFERENCES_LINK_SOURCE = YES
+// DOXYGEN_SET_VERBATIM_HEADERS       = YES
+
+// DOXYGEN_SET_ALPHABETICAL_INDEX     = NO
+
+// DOXYGEN_SET_HTML_ALIGN_MEMBERS     = YES
+// DOXYGEN_SET_GENERATE_TREEVIEW      = NO
+// DOXYGEN_SET_FORMULA_FONTSIZE       = 12
+
+// DOXYGEN_SET_GENERATE_LATEX         = NO
+
+// DOXYGEN_SET_ENABLE_PREPROCESSING   = YES
+// DOXYGEN_SET_MACRO_EXPANSION        = YES
+// DOXYGEN_SET_EXPAND_ONLY_PREDEF     = YES
+// DOXYGEN_SET_SEARCH_INCLUDES        = YES
+// DOXYGEN_SET_PREDEFINED             = EIGEN_EMPTY_STRUCT EIGEN_PARSED_BY_DOXYGEN EIGEN_VECTORIZE EIGEN_QT_SUPPORT
+// DOXYGEN_SET_EXPAND_AS_DEFINED      = EIGEN_MAKE_SCALAR_OPS EIGEN_MAKE_TYPEDEFS EIGEN_MAKE_TYPEDEFS_ALL_SIZES EIGEN_CWISE_UNOP_RETURN_TYPE EIGEN_CWISE_BINOP_RETURN_TYPE
+// DOXYGEN_SET_SKIP_FUNCTION_MACROS   = YES
+
+// DOXYGEN_SET_CLASS_DIAGRAMS         = NO
+// DOXYGEN_SET_HIDE_UNDOC_RELATIONS   = NO
+// DOXYGEN_SET_HAVE_DOT               = NO
+// DOXYGEN_SET_CLASS_GRAPH            = NO
+// DOXYGEN_SET_COLLABORATION_GRAPH    = NO
+// DOXYGEN_SET_GROUP_GRAPHS           = NO
+// DOXYGEN_SET_UML_LOOK               = NO
+// DOXYGEN_SET_TEMPLATE_RELATIONS     = NO
+// DOXYGEN_SET_INCLUDE_GRAPH          = NO
+// DOXYGEN_SET_INCLUDED_BY_GRAPH      = NO
+// DOXYGEN_SET_CALL_GRAPH             = NO
+// DOXYGEN_SET_CALLER_GRAPH           = NO
+// DOXYGEN_SET_GRAPHICAL_HIERARCHY    = NO
+// DOXYGEN_SET_DIRECTORY_GRAPH        = NO
+
+
 o /** \mainpage Eigen
 
 <h3>If you see this page, then you have not properly generated the documentation. Namely, you have run doxygen from the source directory, which is not appropriate for generating the documentation of Eigen.</h3>

doc/Doxyfile.in

@@ -768,8 +768,7 @@ HTML_FILE_EXTENSION    = .html
 # each generated HTML page. If it is left blank doxygen will generate a
 # standard header.
 
-# ${CMAKE_BINARY_DIR}/doc/eigendoxy_header.html
-HTML_HEADER             = 
+HTML_HEADER             = ${CMAKE_BINARY_DIR}/doc/eigendoxy_header.html
 
 # The HTML_FOOTER tag can be used to specify a personal HTML footer for
 # each generated HTML page. If it is left blank doxygen will generate a
@@ -777,7 +776,7 @@ HTML_HEADER             =
 
 # the footer has not been customized yet, so let's use the default one
 # ${CMAKE_BINARY_DIR}/doc/eigendoxy_footer.html
-HTML_FOOTER             =
+HTML_FOOTER             = 
 
 # The HTML_STYLESHEET tag can be used to specify a user-defined cascading
 # style sheet that is used by each HTML page. It can be used to
@@ -786,8 +785,7 @@ HTML_FOOTER             =
 # the style sheet file to the HTML output directory, so don't put your own
 # stylesheet in the HTML output directory as well, or it will be erased!
 
-# ${CMAKE_SOURCE_DIR}/doc/eigendoxy.css
-HTML_STYLESHEET         =
+HTML_STYLESHEET         = ${CMAKE_SOURCE_DIR}/doc/eigendoxy.css
 
 # If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes,
 # files or namespaces will be aligned in HTML using tables. If set to

doc/QuickStartGuide.dox

@@ -590,8 +590,14 @@ Vector3f v1, v2;
 v2 = t.linear() * v1;\endcode</td><td>\code
 Vector2f v1, v2;
 v2 = t.linear() * v1;\endcode</td></tr>
-<tr><td>Concatenate two transformations</td><td>\code
-t3 = t1 * t2;\endcode</td><td>\code
+<tr><td>Apply a \em general transformation \n to a \b normal \b vector
+(<a href="http://www.cgafaq.info/wiki/Transforming_normals">explanations</a>)</td><td colspan="2">\code
+Matrix{3,2}f normalMatrix = t.linear().inverse().transpose();
+n2 = (normalMatrix * n1).normalize();\endcode</td></tr>
+<tr><td>Apply a transformation with \em pure \em rotation \n to a \b normal \b vector 
+(no scaling, no shear)</td><td colspan="2">\code
+n2 = t.linear() * n1;\endcode</td></tr>
+<tr><td>Concatenate two transformations</td><td colspan="2">\code
 t3 = t1 * t2;\endcode</td></tr>
 <tr><td>OpenGL compatibility</td><td>\code
 glLoadMatrixf(t.data());\endcode</td><td>\code
@@ -634,9 +640,9 @@ t.scale(Vector3f(sx, sy, sz));
 t.scale(Vector3f::Constant(s));
 t.prescale(Vector3f(sx, sy, sz));
 \endcode</td><td>\code
-t.scale(Vector2f(tx, ty));
+t.scale(Vector2f(sx, sy));
 t.scale(Vector2f::Constant(s));
-t.prescale(Vector2f(tx, ty));
+t.prescale(Vector2f(sx, sy));
 \endcode</td></tr>
 <tr><td>Applies a shear transformation \n(2D only)</td><td></td><td>\code
 t.shear(sx,sy);

doc/apidox_preprocessing.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+CXX=`which g++`
+SRC=$1
+mkdir -p eigen2/out
+
+if expr match $SRC ".*\/examples\/.*" > /dev/null ; then
+
+#   DST=`echo $SRC | sed 's/examples/out/' | sed 's/cpp$/out/'`
+  DST=`echo $SRC | sed 's/.*\/examples/eigen2\/out/' | sed 's/cpp$/out/'`
+  INC=`echo $SRC | sed 's/\/doc\/examples\/.*/\//'`
+
+  if ! test -e $DST || test $SRC -nt $DST ; then
+    $CXX $SRC -I. -I$INC -o eitmp_example && ./eitmp_example > $DST
+    rm eitmp_example
+  fi
+
+elif expr match $SRC ".*\/snippets\/.*" > /dev/null ; then
+
+#   DST=`echo $SRC | sed 's/snippets/out/' | sed 's/cpp$/out/'`
+  DST=`echo $SRC | sed 's/.*\/snippets/eigen2\/out/' | sed 's/cpp$/out/'`
+  INC=`echo $SRC | sed 's/\/doc\/snippets\/.*/\//'`
+
+  if ! test -e $DST || test $SRC -nt $DST ; then
+    echo "#include <Eigen/Core>" > .ei_in.cpp
+    echo "#include <Eigen/Array>" >> .ei_in.cpp
+    echo "#include <Eigen/LU>" >> .ei_in.cpp
+    echo "#include <Eigen/Cholesky>" >> .ei_in.cpp
+    echo "#include <Eigen/Geometry>" >> .ei_in.cpp
+    echo "using namespace Eigen; using namespace std;" >> .ei_in.cpp
+    echo "int main(int, char**){cout.precision(3);" >> .ei_in.cpp
+    cat $SRC >> .ei_in.cpp
+    echo "return 0;}" >> .ei_in.cpp
+    echo " " >> .ei_in.cpp
+    
+    $CXX .ei_in.cpp -I. -I$INC -o eitmp_example && ./eitmp_example > $DST
+    rm eitmp_example
+    rm .ei_in.cpp
+  fi
+
+fi
+
+cat $SRC
+exit 0

doc/snippets/PartialRedux_norm2.cpp

@@ -1,3 +1,3 @@
 Matrix3d m = Matrix3d::Random();
 cout << "Here is the matrix m:" << endl << m << endl;
-cout << "Here is the square norm of each row:" << endl << m.rowwise().norm2() << endl;
+cout << "Here is the square norm of each row:" << endl << m.rowwise().norm2() << endl;