Fix doc issues regarding ndtri

Eigen/src/plugins/ArrayCwiseUnaryOps.h

@@ -608,16 +608,18 @@ erfc() const
   return ErfcReturnType(derived());
 }
 
-/** \cpp11 \returns an expression of the coefficient-wise Complementary error
+/** \returns an expression of the coefficient-wise inverse of the CDF of the Normal distribution function
   * function of *this.
   *
   * \specialfunctions_module
   * 
-  * \note This function supports only float and double scalar types in c++11 mode. To support other scalar types,
+  * In other words, considering `x = ndtri(y)`, it returns the argument, x, for which the area under the
-  * or float/double in non c++11 mode, the user has to provide implementations of ndtri(T) for any scalar
+  * Gaussian probability density function (integrated from minus infinity to x) is equal to y.
-  * type T to be supported.
   *
-  * \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_ndtri">Math functions</a>, erf()
+  * \note This function supports only float and double scalar types. To support other scalar types,
+  * the user has to provide implementations of ndtri(T) for any scalar type T to be supported.
+  *
+  * \sa <a href="group__CoeffwiseMathFunctions.html#cwisetable_ndtri">Math functions</a>
   */
 EIGEN_DEVICE_FUNC
 inline const NdtriReturnType

doc/CoeffwiseMathFunctionsTable.dox

@@ -553,6 +553,18 @@ This also means that, unless specified, if the function \c std::foo is available
   </td>
   <td></td>
 </tr>
+<tr>
+  <td class="code">
+  \anchor cwisetable_ndtri
+  a.\link ArrayBase::ndtri ndtri\endlink(); \n
+  \link Eigen::ndtri ndtri\endlink(a);
+  </td>
+  <td>Inverse of the CDF of the Normal distribution function</td>
+  <td>
+  built-in for float and double
+  </td>
+  <td></td>
+</tr>
 <tr><td colspan="4"></td></tr>
 </table>