version 1.5, 2010/08/07 13:22:21
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version 1.8, 2011/07/22 07:38:08
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* op(TL)*X + ISGN*X*op(TR) = SCALE*B, |
* op(TL)*X + ISGN*X*op(TR) = SCALE*B, |
* |
* |
* where TL is N1 by N1, TR is N2 by N2, B is N1 by N2, and ISGN = 1 or |
* where TL is N1 by N1, TR is N2 by N2, B is N1 by N2, and ISGN = 1 or |
* -1. op(T) = T or T', where T' denotes the transpose of T. |
* -1. op(T) = T or T**T, where T**T denotes the transpose of T. |
* |
* |
* Arguments |
* Arguments |
* ========= |
* ========= |
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* LTRANL (input) LOGICAL |
* LTRANL (input) LOGICAL |
* On entry, LTRANL specifies the op(TL): |
* On entry, LTRANL specifies the op(TL): |
* = .FALSE., op(TL) = TL, |
* = .FALSE., op(TL) = TL, |
* = .TRUE., op(TL) = TL'. |
* = .TRUE., op(TL) = TL**T. |
* |
* |
* LTRANR (input) LOGICAL |
* LTRANR (input) LOGICAL |
* On entry, LTRANR specifies the op(TR): |
* On entry, LTRANR specifies the op(TR): |
* = .FALSE., op(TR) = TR, |
* = .FALSE., op(TR) = TR, |
* = .TRUE., op(TR) = TR'. |
* = .TRUE., op(TR) = TR**T. |
* |
* |
* ISGN (input) INTEGER |
* ISGN (input) INTEGER |
* On entry, ISGN specifies the sign of the equation |
* On entry, ISGN specifies the sign of the equation |