==================
BLAS Level 1: swap
==================

*swap* (defined in namespace `flens::blas`) swaps a vector with another vector,
i.e. $x \leftrightarrow y$.


*--[CODEREF]----------------------------------------------------------------*
|                                                                           |
|  template <typename VX, typename VY>                                      |
|      typename RestrictTo<IsDenseVector<VX>::value                         |
|                       && IsDenseVector<VY>::value,                        |
|               void>::Type                                                 |
|      swap(VX &&x, VY &&y);                                                |
|                                                                           |
*---------------------------------------------------------------------------*
                         [c:@N@flens@N@blas@FT@>2#T#Tswap#&t0.0#&t0.1#templa]
                         [tetypenameVX,typenameVYtypenameRestrictToIsDenseVe]
                         [ctorVXvalueandIsDenseVectorVYvalue,voidType       ]

    x        `(input/output) real or complex valued DenseVector`               +
             On entry vector $x$.                                 +
             On exit replaced with vector $y$.
    y        `(input/output) real or complex valued DenseVector`               +
             On entry vector $y$.                                 +
             On exit replaced with vector $x$.