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

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Functions/Subroutines

double precision function dlangt (NORM, N, DL, D, DU)
 DLANGT returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value of any element of a general tridiagonal matrix. More...
 
disnan
logical function disnan(DIN)
DISNAN tests input for NaN.
Definition: disnan.f:61
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
dlangt
double precision function dlangt(NORM, N, DL, D, DU)
DLANGT returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value ...
Definition: dlangt.f:108
dlassq
subroutine dlassq(N, X, INCX, SCALE, SUMSQ)
DLASSQ updates a sum of squares represented in scaled form.
Definition: dlassq.f:105