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scsum1.f(3) | LAPACK | scsum1.f(3) |
NAME¶
scsum1.f -SYNOPSIS¶
Functions/Subroutines¶
REAL function scsum1 (N, CX, INCX)
Function/Subroutine Documentation¶
REAL function scsum1 (integerN, complex, dimension( * )CX, integerINCX)¶
SCSUM1 Purpose:SCSUM1 takes the sum of the absolute values of a complex vector and returns a single precision result. Based on SCASUM 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 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 CLACON.
Author¶
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