forked from lijiext/lammps
59 lines
1.3 KiB
FortranFixed
59 lines
1.3 KiB
FortranFixed
|
*> \brief \b DCABS1
|
||
|
|
*
|
||
|
|
* =========== DOCUMENTATION ===========
|
||
|
|
*
|
||
|
|
* Online html documentation available at
|
||
|
|
* http://www.netlib.org/lapack/explore-html/
|
||
|
|
*
|
||
|
|
* Definition:
|
||
|
|
* ===========
|
||
|
|
*
|
||
|
|
* DOUBLE PRECISION FUNCTION DCABS1(Z)
|
||
|
|
*
|
||
|
|
* .. Scalar Arguments ..
|
||
|
|
* COMPLEX*16 Z
|
||
|
|
* ..
|
||
|
|
* ..
|
||
|
|
*
|
||
|
|
*
|
||
|
|
*> \par Purpose:
|
||
|
|
* =============
|
||
|
|
*>
|
||
|
|
*> \verbatim
|
||
|
|
*>
|
||
|
|
*> DCABS1 computes absolute value of a double complex number
|
||
|
|
*> \endverbatim
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* ========
|
||
|
|
*
|
||
|
|
*> \author Univ. of Tennessee
|
||
|
|
*> \author Univ. of California Berkeley
|
||
|
|
*> \author Univ. of Colorado Denver
|
||
|
|
*> \author NAG Ltd.
|
||
|
|
*
|
||
|
|
*> \date November 2011
|
||
|
|
*
|
||
|
|
*> \ingroup double_blas_level1
|
||
|
|
*
|
||
|
|
* =====================================================================
|
||
|
|
DOUBLE PRECISION FUNCTION DCABS1(Z)
|
||
|
|
*
|
||
|
|
* -- Reference BLAS level1 routine (version 3.4.0) --
|
||
|
|
* -- Reference BLAS is a software package provided by Univ. of Tennessee, --
|
||
|
|
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
|
||
|
|
* November 2011
|
||
|
|
*
|
||
|
|
* .. Scalar Arguments ..
|
||
|
|
COMPLEX*16 Z
|
||
|
|
* ..
|
||
|
|
* ..
|
||
|
|
* =====================================================================
|
||
|
|
*
|
||
|
|
* .. Intrinsic Functions ..
|
||
|
|
INTRINSIC ABS,DBLE,DIMAG
|
||
|
|
*
|
||
|
|
DCABS1 = ABS(DBLE(Z)) + ABS(DIMAG(Z))
|
||
|
|
RETURN
|
||
|
|
END
|