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

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Functions/Subroutines

double precision function dlantb (NORM, UPLO, DIAG, N, K, AB, LDAB, WORK)
 DLANTB returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a triangular band matrix. More...
 
disnan
logical function disnan(DIN)
DISNAN tests input for NaN.
Definition: disnan.f:61
dlantb
double precision function dlantb(NORM, UPLO, DIAG, N, K, AB, LDAB, WORK)
DLANTB returns the value of the 1-norm, or the Frobenius norm, or the infinity norm,...
Definition: dlantb.f:142
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
dlassq
subroutine dlassq(N, X, INCX, SCALE, SUMSQ)
DLASSQ updates a sum of squares represented in scaled form.
Definition: dlassq.f:105
dcombssq
subroutine dcombssq(V1, V2)
DCOMBSSQ adds two scaled sum of squares quantities.
Definition: dcombssq.f:62