Add some c++11 flags in documentation

Eigen/src/plugins/ArrayCwiseUnaryOps.h

@@ -308,13 +308,13 @@ cosh() const
   return CoshReturnType(derived());
 }
 
-/** \returns an expression of the coefficient-wise ln(|gamma(*this)|).
- *
- * Example: \include Cwise_lgamma.cpp
- * Output: \verbinclude Cwise_lgamma.out
- *
- * \sa cos(), sin(), tan()
- */
+/** \cpp11 \returns an expression of the coefficient-wise ln(|gamma(*this)|).
+  *
+  * Example: \include Cwise_lgamma.cpp
+  * Output: \verbinclude Cwise_lgamma.out
+  *
+  * \sa cos(), sin(), tan()
+  */
 inline const LgammaReturnType
 lgamma() const
 {
@@ -322,9 +322,9 @@ lgamma() const
 }
 
 /** \returns an expression of the coefficient-wise digamma (psi, derivative of lgamma).
- *
- * \sa cos(), sin(), tan()
- */
+  *
+  * \sa cos(), sin(), tan()
+  */
 inline const DigammaReturnType
 digamma() const
 {
@@ -332,43 +332,43 @@ digamma() const
 }
 
 /** \returns an expression of the coefficient-wise zeta function.
- */
+  */
 inline const ZetaReturnType
 zeta() const
 {
     return ZetaReturnType(derived());
 }
 
-/** \returns an expression of the coefficient-wise polygamma function.
- */
+/** \cpp11 \returns an expression of the coefficient-wise polygamma function.
+  */
 inline const PolygammaReturnType
 polygamma() const
 {
     return PolygammaReturnType(derived());
 }
 
-/** \returns an expression of the coefficient-wise Gauss error
- * function of *this.
- *
- * Example: \include Cwise_erf.cpp
- * Output: \verbinclude Cwise_erf.out
- *
- * \sa cos(), sin(), tan()
- */
+/** \cpp11 \returns an expression of the coefficient-wise Gauss error
+  * function of *this.
+  *
+  * Example: \include Cwise_erf.cpp
+  * Output: \verbinclude Cwise_erf.out
+  *
+  * \sa cos(), sin(), tan()
+  */
 inline const ErfReturnType
 erf() const
 {
   return ErfReturnType(derived());
 }
 
-/** \returns an expression of the coefficient-wise Complementary error
- * function of *this.
- *
- * Example: \include Cwise_erfc.cpp
- * Output: \verbinclude Cwise_erfc.out
- *
- * \sa cos(), sin(), tan()
- */
+/** \cpp11 \returns an expression of the coefficient-wise Complementary error
+  * function of *this.
+  *
+  * Example: \include Cwise_erfc.cpp
+  * Output: \verbinclude Cwise_erfc.out
+  *
+  * \sa cos(), sin(), tan()
+  */
 inline const ErfcReturnType
 erfc() const
 {

doc/Doxyfile.in

@@ -225,7 +225,10 @@ ALIASES                = "only_for_vectors=This is only for vectors (either row-
                          "note_try_to_help_rvo=This function returns the result by value. In order to make that efficient, it is implemented as just a return statement using a special constructor, hopefully allowing the compiler to perform a RVO (return value optimization)." \
                          "nonstableyet=\warning This is not considered to be part of the stable public API yet. Changes may happen in future releases. See \ref Experimental \"Experimental parts of Eigen\"" \
                          "implsparsesolverconcept=This class follows the \link TutorialSparseSolverConcept sparse solver concept \endlink." \
-                         "blank= "
+                         "blank= " \
+                         "cpp11=<span class='cpp11'>[c++11]</a>" \
+                         "cpp14=<span class='cpp14'>[c++14]</a>" \
+                         "cpp17=<span class='cpp17'>[c++17]</a>"
                          
 
 ALIASES += "eigenAutoToc=  "

doc/eigendoxy.css

@@ -166,6 +166,11 @@ div.toc ul {
   margin: 0.2em 0 0.4em 0.5em;
 }
 
+span.cpp11,span.cpp14,span.cpp17 {
+  color: #119911;
+  font-weight: bold;
+}
+
 /**** old Eigen's styles ****/