===================
BLAS Level 1: iamax
===================

*iamax* (defined in namespace `flens::blas`) finds the index of the element
with maximum absolute value, i.e. find $i$ such that $|x_i| = \max\limits_k
|x_k|$

*--[CODEREF]----------------------------------------------------------------*
|                                                                           |
|  template <typename X>                                                    |
|      typename DenseVector<X>::IndexType                                   |
|      iamax(const DenseVector<X> &x);                                      |
|                                                                           |
*---------------------------------------------------------------------------*
                         [c:@N@flens@N@blas@FT@>1#Tiamax#&1>@N@flens@CT>1#T@]
                         [DenseVector1t0.0#templatetypenameXtypenameDenseVec]
                         [torXIndexType                                     ]

    x        `(input) real or complex valued DenseVector`                      +
             Vector $x$.

    *Return value:*

    Index $i$ such that $|x_i| = \max\limits_k |x_k|$.