scsum1 (l) - Linux Manuals

scsum1: takes the sum of the absolute values of a complex vector and returns a single precision result

NAME

SCSUM1 - takes the sum of the absolute values of a complex vector and returns a single precision result

SYNOPSIS

REAL FUNCTION

SCSUM1( N, CX, INCX )

    

INTEGER INCX, N

    

COMPLEX CX( * )

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 aqgenuineaq absolute value.
Contributed by Nick Higham for use with CLACON.

ARGUMENTS

N (input) INTEGER

The number of elements in the vector CX.

CX (input) COMPLEX array, dimension (N)

The vector whose elements will be summed.

INCX (input) INTEGER

The spacing between successive values of CX. INCX > 0.