LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Collaboration diagram for complex:

Functions

subroutine claesy (A, B, C, RT1, RT2, EVSCAL, CS1, SN1)
 CLAESY computes the eigenvalues and eigenvectors of a 2-by-2 complex symmetric matrix. More...
 
real function clansy (NORM, UPLO, N, A, LDA, WORK)
 CLANSY returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex symmetric matrix. More...
 
subroutine claqsy (UPLO, N, A, LDA, S, SCOND, AMAX, EQUED)
 CLAQSY scales a symmetric/Hermitian matrix, using scaling factors computed by spoequ. More...
 
subroutine csymv (UPLO, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY)
 CSYMV computes a matrix-vector product for a complex symmetric matrix. More...
 
subroutine csyr (UPLO, N, ALPHA, X, INCX, A, LDA)
 CSYR performs the symmetric rank-1 update of a complex symmetric matrix. More...
 
subroutine csyswapr (UPLO, N, A, LDA, I1, I2)
 CSYSWAPR More...
 
subroutine ctgsy2 (TRANS, IJOB, M, N, A, LDA, B, LDB, C, LDC, D, LDD, E, LDE, F, LDF, SCALE, RDSUM, RDSCAL, INFO)
 CTGSY2 solves the generalized Sylvester equation (unblocked algorithm). More...
 

Detailed Description

This is the group of complex auxiliary functions for SY matrices

cgesc2
subroutine cgesc2(N, A, LDA, RHS, IPIV, JPIV, SCALE)
CGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed...
Definition: cgesc2.f:117
clansy
real function clansy(NORM, UPLO, N, A, LDA, WORK)
CLANSY returns the value of the 1-norm, or the Frobenius norm, or the infinity norm,...
Definition: clansy.f:125
lde
logical function lde(RI, RJ, LR)
Definition: dblat2.f:2945
classq
subroutine classq(N, X, INCX, SCALE, SUMSQ)
CLASSQ updates a sum of squares represented in scaled form.
Definition: classq.f:108
sisnan
logical function sisnan(SIN)
SISNAN tests input for NaN.
Definition: sisnan.f:61
cscal
subroutine cscal(N, CA, CX, INCX)
CSCAL
Definition: cscal.f:80
clatdf
subroutine clatdf(IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, JPIV)
CLATDF uses the LU factorization of the n-by-n matrix computed by sgetc2 and computes a contribution ...
Definition: clatdf.f:171
xerbla
subroutine xerbla(SRNAME, INFO)
XERBLA
Definition: xerbla.f:62
cswap
subroutine cswap(N, CX, INCX, CY, INCY)
CSWAP
Definition: cswap.f:83
lsame
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
slamch
real function slamch(CMACH)
SLAMCH
Definition: slamch.f:70
caxpy
subroutine caxpy(N, CA, CX, INCX, CY, INCY)
CAXPY
Definition: caxpy.f:90
scombssq
subroutine scombssq(V1, V2)
SCOMBSSQ adds two scaled sum of squares quantities
Definition: scombssq.f:62
cgetc2
subroutine cgetc2(N, A, LDA, IPIV, JPIV, INFO)
CGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix.
Definition: cgetc2.f:113