LA_STEVX

SUBROUTINE LA_STEVX( D, E, W, Z=z, VL=vl, VU=vu, & 


IL=il, IU=iu, M=m, IFAIL=ifail, & 


ABSTOL=abstol, INFO=info ) 


REAL(wp), INTENT(INOUT) :: D(:), E(:) 


REAL(wp), INTENT(OUT) :: W(:) 


REAL(wp), INTENT(OUT), OPTIONAL :: Z(:,:) 


REAL(wp), INTENT(IN), OPTIONAL :: VL, VU 


INTEGER, INTENT(IN), OPTIONAL :: IL, IU 


INTEGER, INTENT(OUT), OPTIONAL :: M 


INTEGER, INTENT(OUT), OPTIONAL :: IFAIL(:) 


REAL(wp), INTENT(IN), OPTIONAL :: ABSTOL 


INTEGER, INTENT(OUT), OPTIONAL :: INFO 


where 

wp   ::= KIND(1.0) $\mid$ KIND(1.0D0)