1SLAR2V(1)           LAPACK auxiliary routine (version 3.2)           SLAR2V(1)
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NAME

6       SLAR2V  - applies a vector of real plane rotations from both sides to a
7       sequence of 2-by-2 real symmetric matrices, defined by the elements  of
8       the vectors x, y and z
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SYNOPSIS

11       SUBROUTINE SLAR2V( N, X, Y, Z, INCX, C, S, INCC )
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13           INTEGER        INCC, INCX, N
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15           REAL           C( * ), S( * ), X( * ), Y( * ), Z( * )
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PURPOSE

18       SLAR2V  applies  a  vector of real plane rotations from both sides to a
19       sequence of 2-by-2 real symmetric matrices, defined by the elements  of
20       the vectors x, y and z. For i = 1,2,...,n
21          ( x(i)  z(i) ) := (  c(i)  s(i) ) ( x(i)  z(i) ) ( c(i) -s(i) )
22          ( z(i)  y(i) )    ( -s(i)  c(i) ) ( z(i)  y(i) ) ( s(i)  c(i) )
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ARGUMENTS

25       N       (input) INTEGER
26               The number of plane rotations to be applied.
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28       X       (input/output) REAL array,
29               dimension (1+(N-1)*INCX) The vector x.
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31       Y       (input/output) REAL array,
32               dimension (1+(N-1)*INCX) The vector y.
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34       Z       (input/output) REAL array,
35               dimension (1+(N-1)*INCX) The vector z.
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37       INCX    (input) INTEGER
38               The increment between elements of X, Y and Z. INCX > 0.
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40       C       (input) REAL array, dimension (1+(N-1)*INCC)
41               The cosines of the plane rotations.
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43       S       (input) REAL array, dimension (1+(N-1)*INCC)
44               The sines of the plane rotations.
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46       INCC    (input) INTEGER
47               The increment between elements of C and S. INCC > 0.
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51 LAPACK auxiliary routine (versionNo3v.e2m)ber 2008                       SLAR2V(1)
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