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, 2 deletions

diff --git a/unsupported/Eigen/src/Polynomials/PolynomialUtils.h b/unsupported/Eigen/src/Polynomials/PolynomialUtils.h
index c23204c65..5a9ab110e 100644
--- a/unsupported/Eigen/src/Polynomials/PolynomialUtils.h
+++ b/unsupported/Eigen/src/Polynomials/PolynomialUtils.h
@@ -74,6 +74,7 @@ template <typename Polynomial>
 inline
 typename NumTraits<typename Polynomial::Scalar>::Real cauchy_max_bound( const Polynomial& poly )
 {
+  using std::abs;
   typedef typename Polynomial::Scalar Scalar;
   typedef typename NumTraits<Scalar>::Real Real;
 
@@ -82,7 +83,7 @@ typename NumTraits<typename Polynomial::Scalar>::Real cauchy_max_bound( const Po
   Real cb(0);
 
   for( DenseIndex i=0; i<poly.size()-1; ++i ){
-    cb += internal::abs(poly[i]*inv_leading_coeff); }
+    cb += abs(poly[i]*inv_leading_coeff); }
   return cb + Real(1);
 }
 
@@ -96,6 +97,7 @@ template <typename Polynomial>
 inline
 typename NumTraits<typename Polynomial::Scalar>::Real cauchy_min_bound( const Polynomial& poly )
 {
+  using std::abs;
   typedef typename Polynomial::Scalar Scalar;
   typedef typename NumTraits<Scalar>::Real Real;
 
@@ -107,7 +109,7 @@ typename NumTraits<typename Polynomial::Scalar>::Real cauchy_min_bound( const Po
   const Scalar inv_min_coeff = Scalar(1)/poly[i];
   Real cb(1);
   for( DenseIndex j=i+1; j<poly.size(); ++j ){
-    cb += internal::abs(poly[j]*inv_min_coeff); }
+    cb += abs(poly[j]*inv_min_coeff); }
   return Real(1)/cb;
 }