sasum.f - Man Page

real function sasum (n, sx, incx)
SASUM

SASUM

Purpose:

    SASUM takes the sum of the absolute values.
    uses unrolled loops for increment equal to one.

Parameters

N

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

SX

          SX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

INCX

          INCX is INTEGER
         storage spacing between elements of SX

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 71 of file sasum.f.