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/home/abuild/rpmbuild/BUILD/lapack-3.12.0/BLAS/SRC/dasum.f(3) Library Functions Manual /home/abuild/rpmbuild/BUILD/lapack-3.12.0/BLAS/SRC/dasum.f(3)

NAME

/home/abuild/rpmbuild/BUILD/lapack-3.12.0/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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Version 3.12.0 LAPACK