BLAS/SRC/dasum.f(3)

NAME
BLAS/SRC/dasum.f

SYNOPSIS

  Functions/Subroutines
double precision function dasum (n, dx, incx)
DASUM

Function/Subroutine Documentation

  double precision function dasum (integer n, double precision, dimension(*) dx, integer incx)

DASUM

Purpose:

        DASUM takes the sum of the absolute values.

Parameters
    N

              N is INTEGER
             number of elements in input vector(s)

    DX

              DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

    INCX

              INCX is INTEGER
             storage spacing between elements of DX

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Further Details:

         jack dongarra, linpack, 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 70 of file dasum.f.

Author

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