From 39ceba409b4b0295f0c70872cf2592503b54eba2 Mon Sep 17 00:00:00 2001
From: Jitse Niesen <jitse@maths.leeds.ac.uk>
Date: Mon, 7 Dec 2009 19:10:11 +0000
Subject: Various improvements to the docs for unsupported. * Enable
 compilation of examples for unsupported. * Fix use of std::vector in BVH
 example. * Add an example for the matrix exponential. * Bug fixes in
 unsupported/doc/{examples,snippets}/CMakeLists.txt .

---
 unsupported/doc/CMakeLists.txt                 |  2 ++
 unsupported/doc/examples/BVH_Example.cpp       |  4 +++-
 unsupported/doc/examples/CMakeLists.txt        |  2 +-
 unsupported/doc/examples/MatrixExponential.cpp | 18 ++++++++++++++++++
 unsupported/doc/snippets/CMakeLists.txt        |  2 +-
 5 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 unsupported/doc/examples/MatrixExponential.cpp

(limited to 'unsupported/doc')

diff --git a/unsupported/doc/CMakeLists.txt b/unsupported/doc/CMakeLists.txt
index 2cff2510f..a50d07798 100644
--- a/unsupported/doc/CMakeLists.txt
+++ b/unsupported/doc/CMakeLists.txt
@@ -1,6 +1,8 @@
 
 set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL TRUE)
 
+
 if(NOT MSVC)
   add_subdirectory(examples)
+  add_subdirectory(snippets)
 endif(NOT MSVC)
diff --git a/unsupported/doc/examples/BVH_Example.cpp b/unsupported/doc/examples/BVH_Example.cpp
index 890eb535b..0fbab5fdb 100644
--- a/unsupported/doc/examples/BVH_Example.cpp
+++ b/unsupported/doc/examples/BVH_Example.cpp
@@ -1,3 +1,4 @@
+#include <Eigen/StdVector>
 #include <unsupported/Eigen/BVH>
 
 using namespace Eigen;
@@ -20,7 +21,8 @@ struct PointPointMinimizer //how to compute squared distances between points and
 
 int main()
 {
-  std::vector<Vector2d> redPoints, bluePoints;
+  typedef std::vector<Vector2d, aligned_allocator<Vector2d> > StdVectorOfVector2d;
+  StdVectorOfVector2d redPoints, bluePoints;
   for(int i = 0; i < 100; ++i) { //initialize random set of red points and blue points
     redPoints.push_back(Vector2d::Random());
     bluePoints.push_back(Vector2d::Random());
diff --git a/unsupported/doc/examples/CMakeLists.txt b/unsupported/doc/examples/CMakeLists.txt
index d78af13a9..cb42b2ab9 100644
--- a/unsupported/doc/examples/CMakeLists.txt
+++ b/unsupported/doc/examples/CMakeLists.txt
@@ -6,7 +6,7 @@ FOREACH(example_src ${examples_SRCS})
 GET_FILENAME_COMPONENT(example ${example_src} NAME_WE)
 ADD_EXECUTABLE(example_${example} ${example_src})
 GET_TARGET_PROPERTY(example_executable
-                    ${example} LOCATION)
+                    example_${example} LOCATION)
 ADD_CUSTOM_COMMAND(
   TARGET example_${example}
   POST_BUILD
diff --git a/unsupported/doc/examples/MatrixExponential.cpp b/unsupported/doc/examples/MatrixExponential.cpp
new file mode 100644
index 000000000..86062e3a6
--- /dev/null
+++ b/unsupported/doc/examples/MatrixExponential.cpp
@@ -0,0 +1,18 @@
+#include <unsupported/Eigen/MatrixFunctions>
+
+using namespace Eigen;
+
+int main()
+{
+  const double pi = std::acos(-1);
+
+  MatrixXd A(3,3);
+  A << 0,    -pi/4, 0,
+       pi/4, 0,     0,
+       0,    0,     0;
+  std::cout << "The matrix A is:\n" << A << "\n\n";
+
+  MatrixXd B;
+  ei_matrix_exponential(A, &B);
+  std::cout << "The matrix exponential of A is:\n" << B << "\n\n";
+}
diff --git a/unsupported/doc/snippets/CMakeLists.txt b/unsupported/doc/snippets/CMakeLists.txt
index fa529d139..19e9b1a1f 100644
--- a/unsupported/doc/snippets/CMakeLists.txt
+++ b/unsupported/doc/snippets/CMakeLists.txt
@@ -7,7 +7,7 @@ FOREACH(snippet_src ${snippets_SRCS})
   SET(compile_snippet_target compile_${snippet})
   SET(compile_snippet_src ${compile_snippet_target}.cpp)
   FILE(READ ${snippet_src} snippet_source_code)
-  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/compile_snippet.cpp.in
+  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/snippets/compile_snippet.cpp.in
                  ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
   ADD_EXECUTABLE(${compile_snippet_target}
                  ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
-- 
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