LAPACK  3.9.0
LAPACK: Linear Algebra PACKage
Functions
complex
LAPACK » General Matrices » Auxiliary routines
Collaboration diagram for complex:

Functions

subroutine cgesc2 (N, A, LDA, RHS, IPIV, JPIV, SCALE)
 CGESC2 solves a system of linear equations using the LU factorization with complete pivoting computed by sgetc2. More...
 
subroutine cgetc2 (N, A, LDA, IPIV, JPIV, INFO)
 CGETC2 computes the LU factorization with complete pivoting of the general n-by-n matrix. More...
 
real function clange (NORM, M, N, A, LDA, WORK)
 CLANGE returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value of any element of a general rectangular matrix. More...
 
subroutine claqge (M, N, A, LDA, R, C, ROWCND, COLCND, AMAX, EQUED)
 CLAQGE scales a general rectangular matrix, using row and column scaling factors computed by sgeequ. More...
 
subroutine ctgex2 (WANTQ, WANTZ, N, A, LDA, B, LDB, Q, LDQ, Z, LDZ, J1, INFO)
 CTGEX2 swaps adjacent diagonal blocks in an upper (quasi) triangular matrix pair by an unitary equivalence transformation. More...
 

Detailed Description

This is the group of complex auxiliary functions for GE matrices

clange
real function clange(NORM, M, N, A, LDA, WORK)
CLANGE returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value ...
Definition: clange.f:117
slabad
subroutine slabad(SMALL, LARGE)
SLABAD
Definition: slabad.f:76
clacpy
subroutine clacpy(UPLO, M, N, A, LDA, B, LDB)
CLACPY copies all or part of one two-dimensional array to another.
Definition: clacpy.f:105
claswp
subroutine claswp(N, A, LDA, K1, K2, IPIV, INCX)
CLASWP performs a series of row interchanges on a general rectangular matrix.
Definition: claswp.f:117
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
crot
subroutine crot(N, CX, INCX, CY, INCY, C, S)
CROT applies a plane rotation with real cosine and complex sine to a pair of complex vectors.
Definition: crot.f:105
cscal
subroutine cscal(N, CA, CX, INCX)
CSCAL
Definition: cscal.f:80
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
clartg
subroutine clartg(F, G, CS, SN, R)
CLARTG generates a plane rotation with real cosine and complex sine.
Definition: clartg.f:105
scombssq
subroutine scombssq(V1, V2)
SCOMBSSQ adds two scaled sum of squares quantities
Definition: scombssq.f:62
cgeru
subroutine cgeru(M, N, ALPHA, X, INCX, Y, INCY, A, LDA)
CGERU
Definition: cgeru.f:132
icamax
integer function icamax(N, CX, INCX)
ICAMAX
Definition: icamax.f:73