ecisions normal z -> s d c
       @author Stan Tomov
       @author Mark Gates
*/
#include "<span class="strike"><span class="old">common_magma</span></span><span class="new">magma_internal</span>.h"

#define PRECISION_z

/**
    Purpose
    -------
    ZLAHR2 reduces the first NB columns of a complex general n-BY-(n-k+1)
    matrix A so that elements below the k-th subdiagonal are zero. The
    reduction is performed by an orthogonal similarity transformation
    Q' * A * Q. The routine returns the matrice