LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
dlar1v.f File Reference

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Functions/Subroutines

subroutine dlar1v (N, B1, BN, LAMBDA, D, L, LD, LLD, PIVMIN, GAPTOL, Z, WANTNC, NEGCNT, ZTZ, MINGMA, R, ISUPPZ, NRMINV, RESID, RQCORR, WORK)
 DLAR1V computes the (scaled) r-th column of the inverse of the submatrix in rows b1 through bn of the tridiagonal matrix LDLT - λI. More...
 
disnan
logical function disnan(DIN)
DISNAN tests input for NaN.
Definition: disnan.f:61
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70