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

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Functions/Subroutines

subroutine dlarrf (N, D, L, LD, CLSTRT, CLEND, W, WGAP, WERR, SPDIAM, CLGAPL, CLGAPR, PIVMIN, SIGMA, DPLUS, LPLUS, WORK, INFO)
 DLARRF finds a new relatively robust representation such that at least one of the eigenvalues is relatively isolated. More...
 
disnan
logical function disnan(DIN)
DISNAN tests input for NaN.
Definition: disnan.f:61
dcopy
subroutine dcopy(N, DX, INCX, DY, INCY)
DCOPY
Definition: dcopy.f:84
dlamch
double precision function dlamch(CMACH)
DLAMCH
Definition: dlamch.f:70