Fix bug #314:

- remove most of the metaprogramming kung fu in MathFunctions.h (only keep functions that differs from the std)
- remove the overloads for array expression that were in the std namespace

1 files changed, 4 insertions, 0 deletions

diff --git a/unsupported/Eigen/src/NonLinearOptimization/lmpar.h b/unsupported/Eigen/src/NonLinearOptimization/lmpar.h
index 8aac5753b..834407c5a 100644
--- a/unsupported/Eigen/src/NonLinearOptimization/lmpar.h
+++ b/unsupported/Eigen/src/NonLinearOptimization/lmpar.h
@@ -12,6 +12,8 @@ void lmpar(
         Scalar &par,
         Matrix< Scalar, Dynamic, 1 >  &x)
 {
+    using std::abs;
+    using std::sqrt;
     typedef DenseIndex Index;
 
     /* Local variables */
@@ -168,6 +170,8 @@ void lmpar2(
         Matrix< Scalar, Dynamic, 1 >  &x)
 
 {
+    using std::sqrt;
+    using std::abs;
     typedef DenseIndex Index;
 
     /* Local variables */