LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions/Subroutines
slasq3.f File Reference

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Functions/Subroutines

subroutine slasq3 (I0, N0, Z, PP, DMIN, SIGMA, DESIG, QMAX, NFAIL, ITER, NDIV, IEEE, TTYPE, DMIN1, DMIN2, DN, DN1, DN2, G, TAU)
 SLASQ3 checks for deflation, computes a shift and calls dqds. Used by sbdsqr. More...
 
slasq5
subroutine slasq5(I0, N0, Z, PP, TAU, SIGMA, DMIN, DMIN1, DMIN2, DN, DNM1, DNM2, IEEE, EPS)
SLASQ5 computes one dqds transform in ping-pong form. Used by sbdsqr and sstegr.
Definition: slasq5.f:146
sisnan
logical function sisnan(SIN)
SISNAN tests input for NaN.
Definition: sisnan.f:61
slamch
real function slamch(CMACH)
SLAMCH
Definition: slamch.f:70
slasq4
subroutine slasq4(I0, N0, Z, PP, N0IN, DMIN, DMIN1, DMIN2, DN, DN1, DN2, TAU, TTYPE, G)
SLASQ4 computes an approximation to the smallest eigenvalue using values of d from the previous trans...
Definition: slasq4.f:153
slasq6
subroutine slasq6(I0, N0, Z, PP, DMIN, DMIN1, DMIN2, DN, DNM1, DNM2)
SLASQ6 computes one dqd transform in ping-pong form. Used by sbdsqr and sstegr.
Definition: slasq6.f:121