dlarrd.f File Reference

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Functions/Subroutines
subroutine	dlarrd (range, order, n, vl, vu, il, iu, gers, reltol, d, e, e2, pivmin, nsplit, isplit, m, w, werr, wl, wu, iblock, indexw, work, iwork, info)
	DLARRD computes the eigenvalues of a symmetric tridiagonal matrix to suitable accuracy.