dzsum1 man page on IRIX

dzsum1 man page on IRIX

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DZSUM1(3F)							    DZSUM1(3F)

NAME
     DZSUM1 - take the sum of the absolute values of a complex vector and
     returns a double precision result

SYNOPSIS
     DOUBLE PRECISION FUNCTION DZSUM1( N, CX, INCX )

	 INTEGER      INCX, N

	 COMPLEX*16   CX( * )

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.

     Contributed by Nick Higham for use with ZLACON.

ARGUMENTS
     N	     (input) INTEGER
	     The number of elements in the vector CX.

     CX	     (input) COMPLEX*16 array, dimension (N)
	     The vector whose elements will be summed.

     INCX    (input) INTEGER
	     The spacing between successive values of CX.  INCX > 0.

									Page 1

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