BLAS/SRC/dzasum.f(3) | Library Functions Manual | BLAS/SRC/dzasum.f(3) |
NAME
BLAS/SRC/dzasum.f
SYNOPSIS
Functions/Subroutines
double precision function dzasum (n, zx, incx)
DZASUM
Function/Subroutine Documentation
double precision function dzasum (integer n, complex*16, dimension(*) zx, integer incx)
DZASUM
Purpose:
DZASUM takes the sum of the (|Re(.)| + |Im(.)|)'s of a complex vector and returns a double precision result.
Parameters
N
N is INTEGER number of elements in input vector(s)
ZX
ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
INCX
INCX is INTEGER storage spacing between elements of ZX
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
jack dongarra, 3/11/78. modified 3/93 to return if incx .le. 0. modified 12/3/93, array(1) declarations changed to array(*)
Definition at line 71 of file dzasum.f.
Author
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