dlar2v (l)  Linux Man Pages
dlar2v: applies a vector of real plane rotations from both sides to a sequence of 2by2 real symmetric matrices, defined by the elements of the vectors x, y and z
NAME
DLAR2V  applies a vector of real plane rotations from both sides to a sequence of 2by2 real symmetric matrices, defined by the elements of the vectors x, y and zSYNOPSIS
 SUBROUTINE DLAR2V(
 N, X, Y, Z, INCX, C, S, INCC )
 INTEGER INCC, INCX, N
 DOUBLE PRECISION C( * ), S( * ), X( * ), Y( * ), Z( * )
PURPOSE
DLAR2V applies a vector of real plane rotations from both sides to a sequence of 2by2 real symmetric matrices, defined by the elements of the vectors x, y and z. For i = 1,2,...,n(
(
ARGUMENTS
 N (input) INTEGER
 The number of plane rotations to be applied.
 X (input/output) DOUBLE PRECISION array,
 dimension (1+(N1)*INCX) The vector x.
 Y (input/output) DOUBLE PRECISION array,
 dimension (1+(N1)*INCX) The vector y.
 Z (input/output) DOUBLE PRECISION array,
 dimension (1+(N1)*INCX) The vector z.
 INCX (input) INTEGER
 The increment between elements of X, Y and Z. INCX > 0.
 C (input) DOUBLE PRECISION array, dimension (1+(N1)*INCC)
 The cosines of the plane rotations.
 S (input) DOUBLE PRECISION array, dimension (1+(N1)*INCC)
 The sines of the plane rotations.
 INCC (input) INTEGER

The increment between elements of C and S. INCC > 0.