Annotation of rpl/lapack/blas/dcabs1.f, revision 1.16
1.7 bertrand 1: *> \brief \b DCABS1
2: *
3: * =========== DOCUMENTATION ===========
4: *
1.13 bertrand 5: * Online html documentation available at
6: * http://www.netlib.org/lapack/explore-html/
1.7 bertrand 7: *
8: * Definition:
9: * ===========
10: *
11: * DOUBLE PRECISION FUNCTION DCABS1(Z)
1.13 bertrand 12: *
1.7 bertrand 13: * .. Scalar Arguments ..
14: * COMPLEX*16 Z
15: * ..
16: * ..
1.13 bertrand 17: *
1.7 bertrand 18: *
19: *> \par Purpose:
20: * =============
21: *>
22: *> \verbatim
23: *>
1.13 bertrand 24: *> DCABS1 computes |Re(.)| + |Im(.)| of a double complex number
1.7 bertrand 25: *> \endverbatim
26: *
1.14 bertrand 27: * Arguments:
28: * ==========
29: *
30: *> \param[in] Z
31: *> \verbatim
32: *> Z is COMPLEX*16
33: *> \endverbatim
34: *
1.7 bertrand 35: * Authors:
36: * ========
37: *
1.13 bertrand 38: *> \author Univ. of Tennessee
39: *> \author Univ. of California Berkeley
40: *> \author Univ. of Colorado Denver
41: *> \author NAG Ltd.
1.7 bertrand 42: *
43: *> \ingroup double_blas_level1
44: *
45: * =====================================================================
1.1 bertrand 46: DOUBLE PRECISION FUNCTION DCABS1(Z)
1.7 bertrand 47: *
1.16 ! bertrand 48: * -- Reference BLAS level1 routine --
1.7 bertrand 49: * -- Reference BLAS is a software package provided by Univ. of Tennessee, --
50: * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
51: *
1.1 bertrand 52: * .. Scalar Arguments ..
1.7 bertrand 53: COMPLEX*16 Z
1.1 bertrand 54: * ..
55: * ..
56: * =====================================================================
57: *
58: * .. Intrinsic Functions ..
59: INTRINSIC ABS,DBLE,DIMAG
60: *
61: DCABS1 = ABS(DBLE(Z)) + ABS(DIMAG(Z))
62: RETURN
1.16 ! bertrand 63: *
! 64: * End of DCABS1
! 65: *
1.1 bertrand 66: END
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