added lapack 3.7.0 with latest patches from git
This commit is contained in:
94
lapack-netlib/BLAS/SRC/zdscal.f
Normal file
94
lapack-netlib/BLAS/SRC/zdscal.f
Normal file
@@ -0,0 +1,94 @@
|
||||
*> \brief \b ZDSCAL
|
||||
*
|
||||
* =========== DOCUMENTATION ===========
|
||||
*
|
||||
* Online html documentation available at
|
||||
* http://www.netlib.org/lapack/explore-html/
|
||||
*
|
||||
* Definition:
|
||||
* ===========
|
||||
*
|
||||
* SUBROUTINE ZDSCAL(N,DA,ZX,INCX)
|
||||
*
|
||||
* .. Scalar Arguments ..
|
||||
* DOUBLE PRECISION DA
|
||||
* INTEGER INCX,N
|
||||
* ..
|
||||
* .. Array Arguments ..
|
||||
* COMPLEX*16 ZX(*)
|
||||
* ..
|
||||
*
|
||||
*
|
||||
*> \par Purpose:
|
||||
* =============
|
||||
*>
|
||||
*> \verbatim
|
||||
*>
|
||||
*> ZDSCAL scales a vector by a constant.
|
||||
*> \endverbatim
|
||||
*
|
||||
* Authors:
|
||||
* ========
|
||||
*
|
||||
*> \author Univ. of Tennessee
|
||||
*> \author Univ. of California Berkeley
|
||||
*> \author Univ. of Colorado Denver
|
||||
*> \author NAG Ltd.
|
||||
*
|
||||
*> \date December 2016
|
||||
*
|
||||
*> \ingroup complex16_blas_level1
|
||||
*
|
||||
*> \par Further Details:
|
||||
* =====================
|
||||
*>
|
||||
*> \verbatim
|
||||
*>
|
||||
*> jack dongarra, 3/11/78.
|
||||
*> modified 3/93 to return if incx .le. 0.
|
||||
*> modified 12/3/93, array(1) declarations changed to array(*)
|
||||
*> \endverbatim
|
||||
*>
|
||||
* =====================================================================
|
||||
SUBROUTINE ZDSCAL(N,DA,ZX,INCX)
|
||||
*
|
||||
* -- Reference BLAS level1 routine (version 3.7.0) --
|
||||
* -- Reference BLAS is a software package provided by Univ. of Tennessee, --
|
||||
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
|
||||
* December 2016
|
||||
*
|
||||
* .. Scalar Arguments ..
|
||||
DOUBLE PRECISION DA
|
||||
INTEGER INCX,N
|
||||
* ..
|
||||
* .. Array Arguments ..
|
||||
COMPLEX*16 ZX(*)
|
||||
* ..
|
||||
*
|
||||
* =====================================================================
|
||||
*
|
||||
* .. Local Scalars ..
|
||||
INTEGER I,NINCX
|
||||
* ..
|
||||
* .. Intrinsic Functions ..
|
||||
INTRINSIC DCMPLX
|
||||
* ..
|
||||
IF (N.LE.0 .OR. INCX.LE.0) RETURN
|
||||
IF (INCX.EQ.1) THEN
|
||||
*
|
||||
* code for increment equal to 1
|
||||
*
|
||||
DO I = 1,N
|
||||
ZX(I) = DCMPLX(DA,0.0d0)*ZX(I)
|
||||
END DO
|
||||
ELSE
|
||||
*
|
||||
* code for increment not equal to 1
|
||||
*
|
||||
NINCX = N*INCX
|
||||
DO I = 1,NINCX,INCX
|
||||
ZX(I) = DCMPLX(DA,0.0d0)*ZX(I)
|
||||
END DO
|
||||
END IF
|
||||
RETURN
|
||||
END
|
||||
Reference in New Issue
Block a user