# Pages du manuel Linux : Fonctions des bibliothèques

dopmtr
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dorg2l
generate an m by n real matrix Q with orthonormal columns,
dorg2r
generate an m by n real matrix Q with orthonormal columns,
dorgbr
generate one of the real orthogonal matrices Q or P**T determined by DGEBRD when reducing a real matrix A to bidiagonal form
dorghr
generate a real orthogonal matrix Q which is defined as the product of IHI-ILO elementary reflectors of order N, as returned by DGEHRD
dorgl2
generate an m by n real matrix Q with orthonormal rows,
dorglq
generate an M-by-N real matrix Q with orthonormal rows,
dorgql
generate an M-by-N real matrix Q with orthonormal columns,
dorgqr
generate an M-by-N real matrix Q with orthonormal columns,
dorgr2
generate an m by n real matrix Q with orthonormal rows,
dorgrq
generate an M-by-N real matrix Q with orthonormal rows,
dorgtr
generate a real orthogonal matrix Q which is defined as the product of n-1 elementary reflectors of order N, as returned by DSYTRD
dorm2l
overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
dorm2r
overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
dormbr
VECT = 'Q', DORMBR overwrites the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dormhr
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dorml2
overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
dormlq
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dormql
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dormqr
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dormr2
overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
dormr3
overwrite the general real m by n matrix C with Q * C if SIDE = 'L' and TRANS = 'N', or Q'* C if SIDE = 'L' and TRANS = 'T', or C * Q if SIDE = 'R' and TRANS = 'N', or C * Q' if SIDE = 'R' and TRANS = 'T',
dormrq
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dormrz
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dormtr
overwrite the general real M-by-N matrix C with SIDE = 'L' SIDE = 'R' TRANS = 'N'
dot_product
Calculates the dot product. Allegro game programming library.
dot_product_f
See dot_product.3alleg
DoubleObj
manipulate Tcl objects as floating-point values
DoWhenIdle
invoke a procedure when there are no pending events
do_arc
Calculates all the points in a circular arc. Allegro game programming library.
do_circle
Calculates all the points in a circle. Allegro game programming library.
do_dialog
Basic dialog manager function. Allegro game programming library.
do_ellipse
Calculates all the points in an ellipse. Allegro game programming library.
do_line
Calculates all the points along a line. Allegro game programming library.
Displays an animates a popup menu. Allegro game programming library.
do_uconvert
Converts a string to another encoding format. Allegro game programming library.
dpbcon
estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite band matrix using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPBTRF
dpbequ
compute row and column scalings intended to equilibrate a symmetric positive definite band matrix A and reduce its condition number (with respect to the two-norm)
dpbrfs
improve the computed solution to a system of linear equations when the coefficient matrix is symmetric positive definite and banded, and provides error bounds and backward error estimates for the solution
dpbstf
compute a split Cholesky factorization of a real symmetric positive definite band matrix A
dpbsv
compute the solution to a real system of linear equations A * X = B,
dpbsvx
use the Cholesky factorization A = U**T*U or A = L*L**T to compute the solution to a real system of linear equations A * X = B,
dpbtf2
compute the Cholesky factorization of a real symmetric positive definite band matrix A
dpbtrf
compute the Cholesky factorization of a real symmetric positive definite band matrix A
dpbtrs
solve a system of linear equations A*X = B with a symmetric positive definite band matrix A using the Cholesky factorization A = U**T*U or A = L*L**T computed by DPBTRF
dpid.h
Contains an API for manipulating PID files.
DPMSCapable
returns the DPMS capability of the X server
DPMSDisable
disables DPMS on the specified display
DPMSEnable
enables DPMS on the specified display
DPMSForceLevel
forces a DPMS capable display into the specified power level