From dbefd7aafbe1f245ac9edc3c88444a19ef2d7367 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 28 Jun 2010 13:30:10 +0200
Subject: * update redux section * fix output precision to 3 for the snippets

---
 doc/snippets/compile_snippet.cpp.in                |  1 +
 doc/snippets/tut_arithmetic_redux_minmax.cpp       | 10 ++++++++++
 doc/snippets/tut_arithmetic_transpose_aliasing.cpp |  5 +++--
 doc/snippets/tut_arithmetic_transpose_inplace.cpp  |  2 ++
 4 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 doc/snippets/tut_arithmetic_redux_minmax.cpp

(limited to 'doc/snippets')

diff --git a/doc/snippets/compile_snippet.cpp.in b/doc/snippets/compile_snippet.cpp.in
index 5cfcbfe38..561d5f685 100644
--- a/doc/snippets/compile_snippet.cpp.in
+++ b/doc/snippets/compile_snippet.cpp.in
@@ -11,6 +11,7 @@ using namespace std;
 
 int main(int, char**)
 {
+  cout.precision(3);
   ${snippet_source_code}
   return 0;
 }
diff --git a/doc/snippets/tut_arithmetic_redux_minmax.cpp b/doc/snippets/tut_arithmetic_redux_minmax.cpp
new file mode 100644
index 000000000..b7b71b077
--- /dev/null
+++ b/doc/snippets/tut_arithmetic_redux_minmax.cpp
@@ -0,0 +1,10 @@
+  Matrix3f m = Matrix3f::Random();
+  std::ptrdiff_t i, j;
+  float minOfM = m.minCoeff(&i,&j);
+  cout << "Here is the matrix m:\n" << m << endl;
+  cout << "Its minimum coefficient (" << minOfM << ") is at position (" << i << "," << j << ")\n\n";
+
+  RowVector4i v = RowVector4i::Random();
+  int maxOfV = v.maxCoeff(&i);
+  cout << "Here is the vector v: " << v << endl;
+  cout << "Its maximum coefficient (" << maxOfV << ") is at position " << i << endl;
\ No newline at end of file
diff --git a/doc/snippets/tut_arithmetic_transpose_aliasing.cpp b/doc/snippets/tut_arithmetic_transpose_aliasing.cpp
index dec2634a2..c8e4746d0 100644
--- a/doc/snippets/tut_arithmetic_transpose_aliasing.cpp
+++ b/doc/snippets/tut_arithmetic_transpose_aliasing.cpp
@@ -1,4 +1,5 @@
 Matrix2i a; a << 1, 2, 3, 4;
 cout << "Here is the matrix a:\n" << a << endl;
-a = a.transpose(); // fails
-cout << "and the aliasing effect:\n" << a << endl;
\ No newline at end of file
+
+a = a.transpose(); // !!! do NOT do this !!!
+cout << "and the result of the aliasing effect:\n" << a << endl;
\ No newline at end of file
diff --git a/doc/snippets/tut_arithmetic_transpose_inplace.cpp b/doc/snippets/tut_arithmetic_transpose_inplace.cpp
index c46bd5b1a..7a069ff23 100644
--- a/doc/snippets/tut_arithmetic_transpose_inplace.cpp
+++ b/doc/snippets/tut_arithmetic_transpose_inplace.cpp
@@ -1,4 +1,6 @@
 MatrixXf a(2,3); a << 1, 2, 3, 4, 5, 6;
 cout << "Here is the initial matrix a:\n" << a << endl;
+
+
 a.transposeInPlace();
 cout << "and after being transposed:\n" << a << endl;
\ No newline at end of file
-- 
cgit v1.2.3