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and
The actions and are required.

ido=1
Actions Required:

 Compute for .
The vector is in workd(ipntr(1)).
The result vector must be returned in the array workd(ipntr(2)).

ido=1
Actions Required:

 Solve for .
The vector is in workd(ipntr(3)) (Action by has already
been made).
The result vector must be returned in the array workd(ipntr(2)).

ido=2
Action Required:

 Compute .
The vector is in workd(ipntr(1)).
The result vector must be returned in the array workd(ipntr(2)).
Chao Yang
11/7/1997