NAME¶

DASUM - DASUM take the sum of the absolute values

SYNOPSIS¶

DOUBLE PRECISION

FUNCTION DASUM(N,DX,INCX)

INTEGER INCX,N DOUBLE PRECISION DX(*)

PURPOSE¶

DASUM takes the sum of the absolute values.

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(*)