# Pages du manuel Linux : Fonctions des bibliothèques

dggsvp
compute orthogonal matrices U, V and Q such that N-K-L K L U'*A*Q = K ( 0 A12 A13 ) if M-K-L >= 0
dgtcon
estimate the reciprocal of the condition number of a real tridiagonal matrix A using the LU factorization as computed by DGTTRF
dgtrfs
improve the computed solution to a system of linear equations when the coefficient matrix is tridiagonal, and provides error bounds and backward error estimates for the solution
dgtsv
solve the equation A*X = B,
dgtsvx
use the LU factorization to compute the solution to a real system of linear equations A * X = B or A**T * X = B,
dgttrf
compute an LU factorization of a real tridiagonal matrix A using elimination with partial pivoting and row interchanges
dgttrs
solve one of the systems of equations A*X = B or A'*X = B,
dgtts2
solve one of the systems of equations A*X = B or A'*X = B,
dh
Diffie-Hellman key agreement
dhcpctl
dhcpctl_initialize
dhgeqz
implement a single-/double-shift version of the QZ method for finding the generalized eigenvalues w(j)=(ALPHAR(j) + i*ALPHAI(j))/BETAR(j) of the equation det( A - w(i) B ) = 0 In addition, the pair A,B may be reduced to generalized Schur form
dhsein
use inverse iteration to find specified right and/or left eigenvectors of a real upper Hessenberg matrix H
dhseqr
compute the eigenvalues of a real upper Hessenberg matrix H and, optionally, the matrices T and Z from the Schur decomposition H = Z T Z**T, where T is an upper quasi-triangular matrix (the Schur form), and Z is the orthogonal matrix of Schur vectors
DH_generate_key
perform Diffie-Hellman key exchange
DH_generate_parameters
generate and check Diffie-Hellman parameters
DH_get_ex_new_index
add application specific data to DH structures
DH_new
allocate and free DH objects
DH_set_method
select DH method
DH_size
get Diffie-Hellman prime size
DI
verify assertions in C and C++ code using gdb(1)
diagnostics
produce verbose warning diagnostics
dialog
widgets and utilities for the dialog program
dialog
Create and manipulate a dialog widget
DIALOG
Stores a GUI description. Allegro game programming library.
dialog
Create modal dialog and wait for response
dialogshell
Create and manipulate a dialog shell widget
dialog_message
Sends a message to all the objects in an array. Allegro game programming library.
DIALOG_PLAYER
Stores GUI data internally used by Allegro.
dialscreenshots
QwtDial
dict
Key-Value Dictionary
difftime
Calculer des intervalles de temps.
difftime
compute the difference between two calendar time values
Digest
MD5 message digest.
Digest
Modules that calculate message digests
Digest
Modules that calculate message digests
digest.h
Digest algorithms: checksum, CRC and MD5.
Digest::base
Digest base class
Digest::base
Digest base class
Digest::BubbleBabble
Create bubble-babble fingerprints
Digest::CRC
Generic CRC functions
Digest::file
Calculate digests of files
Digest::file
Calculate digests of files
Digest::HMAC
Keyed-Hashing for Message Authentication
Digest::HMAC_MD5
Keyed-Hashing for Message Authentication
Digest::HMAC_SHA1
Keyed-Hashing for Message Authentication
Digest::MD2
Perl interface to the MD2 Algorithm
Digest::MD4
Perl interface to the MD4 Algorithm
Digest::MD5
Perl interface to the MD5 Algorithm
Digest::Nilsimsa
Perl version of Nilsimsa code
Digest::SHA
Perl extension for SHA-1/224/256/384/512