From de150b1e14b5f7fc6f4831b6cd982d3272ca3aca Mon Sep 17 00:00:00 2001
From: Jitse Niesen <jitse@maths.leeds.ac.uk>
Date: Thu, 19 Jun 2014 15:12:33 +0100
Subject: [PATCH] Add documentation and very simple test for array atan(), part
 2 (files I forget in the previous commit).

---
 doc/snippets/Cwise_atan.cpp | 2 ++
 test/array.cpp              | 1 +
 2 files changed, 3 insertions(+)
 create mode 100644 doc/snippets/Cwise_atan.cpp

diff --git a/doc/snippets/Cwise_atan.cpp b/doc/snippets/Cwise_atan.cpp
new file mode 100644
index 000000000..446844726
--- /dev/null
+++ b/doc/snippets/Cwise_atan.cpp
@@ -0,0 +1,2 @@
+ArrayXd v = ArrayXd::LinSpaced(5,0,1);
+cout << v.atan() << endl;
diff --git a/test/array.cpp b/test/array.cpp
index 5f49fc1ea..010fead2d 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -178,6 +178,7 @@ template<typename ArrayType> void array_real(const ArrayType& m)
   VERIFY_IS_APPROX(m1.asin(), asin(m1));
   VERIFY_IS_APPROX(m1.acos(), acos(m1));
   VERIFY_IS_APPROX(m1.tan(), tan(m1));
+  VERIFY_IS_APPROX(m1.atan(), atan(m1));
   
   VERIFY_IS_APPROX(cos(m1+RealScalar(3)*m2), cos((m1+RealScalar(3)*m2).eval()));