1: *> \brief \b DCABS1
2: *
3: * =========== DOCUMENTATION ===========
4: *
5: * Online html documentation available at
6: * http://www.netlib.org/lapack/explore-html/
7: *
8: * Definition:
9: * ===========
10: *
11: * DOUBLE PRECISION FUNCTION DCABS1(Z)
12: *
13: * .. Scalar Arguments ..
14: * COMPLEX*16 Z
15: * ..
16: * ..
17: *
18: *
19: *> \par Purpose:
20: * =============
21: *>
22: *> \verbatim
23: *>
24: *> DCABS1 computes absolute value of a double complex number
25: *> \endverbatim
26: *
27: * Authors:
28: * ========
29: *
30: *> \author Univ. of Tennessee
31: *> \author Univ. of California Berkeley
32: *> \author Univ. of Colorado Denver
33: *> \author NAG Ltd.
34: *
35: *> \date November 2011
36: *
37: *> \ingroup double_blas_level1
38: *
39: * =====================================================================
40: DOUBLE PRECISION FUNCTION DCABS1(Z)
41: *
42: * -- Reference BLAS level1 routine (version 3.4.0) --
43: * -- Reference BLAS is a software package provided by Univ. of Tennessee, --
44: * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
45: * November 2011
46: *
47: * .. Scalar Arguments ..
48: COMPLEX*16 Z
49: * ..
50: * ..
51: * =====================================================================
52: *
53: * .. Intrinsic Functions ..
54: INTRINSIC ABS,DBLE,DIMAG
55: *
56: DCABS1 = ABS(DBLE(Z)) + ABS(DIMAG(Z))
57: RETURN
58: END
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