LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
slasd4.f File Reference

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Functions/Subroutines

subroutine slasd4 (N, I, D, Z, DELTA, RHO, SIGMA, WORK, INFO)
 SLASD4 computes the square root of the i-th updated eigenvalue of a positive symmetric rank-one modification to a positive diagonal matrix. Used by sbdsdc. More...
 
slaed6
subroutine slaed6(KNITER, ORGATI, RHO, D, Z, FINIT, TAU, INFO)
SLAED6 used by sstedc. Computes one Newton step in solution of the secular equation.
Definition: slaed6.f:142
slasd5
subroutine slasd5(I, D, Z, DELTA, RHO, DSIGMA, WORK)
SLASD5 computes the square root of the i-th eigenvalue of a positive symmetric rank-one modification ...
Definition: slasd5.f:118
slamch
real function slamch(CMACH)
SLAMCH
Definition: slamch.f:70