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dzsum1.f(3) | LAPACK | dzsum1.f(3) |
NAME¶
dzsum1.f -SYNOPSIS¶
Functions/Subroutines¶
DOUBLE PRECISION function dzsum1 (N, CX, INCX)
Function/Subroutine Documentation¶
DOUBLE PRECISION function dzsum1 (integerN, complex*16, dimension( * )CX, integerINCX)¶
DZSUM1 Purpose:DZSUM1 takes the sum of the absolute values of a complex vector and returns a double precision result. Based on DZASUM from the Level 1 BLAS. The change is to use the 'genuine' absolute value.
N
CX
INCX
Author:
N is INTEGER The number of elements in the vector CX.
CX is COMPLEX*16 array, dimension (N) The vector whose elements will be summed.
INCX is INTEGER The spacing between successive values of CX. INCX > 0.
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Contributors:
Nick Higham for use with ZLACON.
Author¶
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