LAPACK  3.8.0
LAPACK: Linear Algebra PACKage
Collaboration diagram for real:

Functions

real function slansy (NORM, UPLO, N, A, LDA, WORK)
 SLANSY returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix. More...
 
subroutine slaqsy (UPLO, N, A, LDA, S, SCOND, AMAX, EQUED)
 SLAQSY scales a symmetric/Hermitian matrix, using scaling factors computed by spoequ. More...
 
subroutine slasy2 (LTRANL, LTRANR, ISGN, N1, N2, TL, LDTL, TR, LDTR, B, LDB, SCALE, X, LDX, XNORM, INFO)
 SLASY2 solves the Sylvester matrix equation where the matrices are of order 1 or 2. More...
 
subroutine ssyswapr (UPLO, N, A, LDA, I1, I2)
 SSYSWAPR applies an elementary permutation on the rows and columns of a symmetric matrix. More...
 
subroutine stgsy2 (TRANS, IJOB, M, N, A, LDA, B, LDB, C, LDC, D, LDD, E, LDE, F, LDF, SCALE, RDSUM, RDSCAL, IWORK, PQ, INFO)
 STGSY2 solves the generalized Sylvester equation (unblocked algorithm). More...
 

Detailed Description

This is the group of real auxiliary functions for SY matrices