commit 5d63d2cc4bf191b71d75c4ca4ed05956853b87eb
author Benoit Jacob <jacob.benoit.1@gmail.com> Wed Apr 28 22:42:34 2010 -0400
committer Benoit Jacob <jacob.benoit.1@gmail.com> Wed Apr 28 22:42:34 2010 -0400
tree f2ccc126121d4fb0e94ad43dca409abc570408dc
parent e2775869588e1df2d19265eac5c167651168a414

* kill the retval typedefs, instead introduce ei_xxx_retval which does the job automatically in 99% cases and can be specialized
* add real/imag/abs2 global functions for Array
* document ei_global_math_functions_filtering_base
* improve unit tests

test/array.cpp

diff --git a/test/array.cpp b/test/array.cpp
index 8fc6c6b..8006531 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -154,6 +154,13 @@
   
   VERIFY_IS_APPROX(m1.abs().sqrt(), std::sqrt(std::abs(m1)));
   VERIFY_IS_APPROX(m1.abs().sqrt(), ei_sqrt(ei_abs(m1)));
+  VERIFY_IS_APPROX(m1.abs(), ei_sqrt(ei_abs2(m1)));
+
+  VERIFY_IS_APPROX(ei_abs2(ei_real(m1)) + ei_abs2(ei_imag(m1)), ei_abs2(m1));
+  VERIFY_IS_APPROX(ei_abs2(std::real(m1)) + ei_abs2(std::imag(m1)), ei_abs2(m1));
+  if(!NumTraits<Scalar>::IsComplex)
+    VERIFY_IS_APPROX(ei_real(m1), m1);
+  
   VERIFY_IS_APPROX(m1.abs().log(), std::log(std::abs(m1)));
   VERIFY_IS_APPROX(m1.abs().log(), ei_log(ei_abs(m1)));
   
@@ -186,4 +193,12 @@
     CALL_SUBTEST_3( array_real(Array44d()) );
     CALL_SUBTEST_5( array_real(ArrayXXf(8, 12)) );
   }
+
+  VERIFY((ei_is_same_type< ei_global_math_functions_filtering_base<int>::type, int >::ret));
+  VERIFY((ei_is_same_type< ei_global_math_functions_filtering_base<float>::type, float >::ret));
+  VERIFY((ei_is_same_type< ei_global_math_functions_filtering_base<Array2i>::type, ArrayBase<Array2i> >::ret));
+  typedef CwiseUnaryOp<ei_scalar_sum_op<double>, ArrayXd > Xpr;
+  VERIFY((ei_is_same_type< ei_global_math_functions_filtering_base<Xpr>::type,
+                           ArrayBase<Xpr>
+                         >::ret));
 }