dasum.f

Section: LAPACK (3)
Updated: Tue Nov 14 2017
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NAME

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.

Date:

November 2017

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 73 of file dasum.f.  

Author

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Index

NAME
SYNOPSIS
Functions/Subroutines
Function/Subroutine Documentation
double precision function dasum (integer N, double precision, dimension(*) DX, integer INCX)
Author