--- rpl/lapack/blas/zrotg.f 2011/07/22 07:38:03 1.7 +++ rpl/lapack/blas/zrotg.f 2018/05/29 06:55:15 1.14 @@ -1,18 +1,81 @@ +*> \brief \b ZROTG +* +* =========== DOCUMENTATION =========== +* +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +* Definition: +* =========== +* +* SUBROUTINE ZROTG(CA,CB,C,S) +* +* .. Scalar Arguments .. +* COMPLEX*16 CA,CB,S +* DOUBLE PRECISION C +* .. +* +* +*> \par Purpose: +* ============= +*> +*> \verbatim +*> +*> ZROTG determines a double complex Givens rotation. +*> \endverbatim +* +* Arguments: +* ========== +* +*> \param[in] CA +*> \verbatim +*> CA is COMPLEX*16 +*> \endverbatim +*> +*> \param[in] CB +*> \verbatim +*> CB is COMPLEX*16 +*> \endverbatim +*> +*> \param[out] C +*> \verbatim +*> C is DOUBLE PRECISION +*> \endverbatim +*> +*> \param[out] S +*> \verbatim +*> S is COMPLEX*16 +*> \endverbatim +* +* Authors: +* ======== +* +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. +* +*> \date November 2017 +* +*> \ingroup complex16_blas_level1 +* +* ===================================================================== SUBROUTINE ZROTG(CA,CB,C,S) +* +* -- Reference BLAS level1 routine (version 3.8.0) -- +* -- Reference BLAS is a software package provided by Univ. of Tennessee, -- +* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- +* November 2017 +* * .. Scalar Arguments .. - DOUBLE COMPLEX CA,CB,S + COMPLEX*16 CA,CB,S DOUBLE PRECISION C * .. * -* Purpose -* ======= -* -* ZROTG determines a double complex Givens rotation. -* * ===================================================================== * * .. Local Scalars .. - DOUBLE COMPLEX ALPHA + COMPLEX*16 ALPHA DOUBLE PRECISION NORM,SCALE * .. * .. Intrinsic Functions ..