1DLARTV(1)           LAPACK auxiliary routine (version 3.1)           DLARTV(1)
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NAME

6       DLARTV  - a vector of real plane rotations to elements of the real vec‐
7       tors x and y
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SYNOPSIS

10       SUBROUTINE DLARTV( N, X, INCX, Y, INCY, C, S, INCC )
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12           INTEGER        INCC, INCX, INCY, N
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14           DOUBLE         PRECISION C( * ), S( * ), X( * ), Y( * )
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PURPOSE

17       DLARTV applies a vector of real plane rotations to elements of the real
18       vectors x and y. For i = 1,2,...,n
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20          ( x(i) ) := (  c(i)  s(i) ) ( x(i) )
21          ( y(i) )    ( -s(i)  c(i) ) ( y(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) DOUBLE PRECISION array,
29               dimension (1+(N-1)*INCX) The vector x.
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31       INCX    (input) INTEGER
32               The increment between elements of X. INCX > 0.
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34       Y       (input/output) DOUBLE PRECISION array,
35               dimension (1+(N-1)*INCY) The vector y.
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37       INCY    (input) INTEGER
38               The increment between elements of Y. INCY > 0.
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40       C       (input) DOUBLE PRECISION array, dimension (1+(N-1)*INCC)
41               The cosines of the plane rotations.
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43       S       (input) DOUBLE PRECISION 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.e1m)ber 2006                       DLARTV(1)