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

6       DLARGV - generates a vector of real plane rotations, determined by ele‐
7       ments of the real vectors x and y
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SYNOPSIS

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

17       DLARGV generates a vector of real plane rotations, determined  by  ele‐
18       ments of the real vectors x and y. For i = 1,2,...,n
19          (  c(i)  s(i) ) ( x(i) ) = ( a(i) )
20          ( -s(i)  c(i) ) ( y(i) ) = (   0  )
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ARGUMENTS

23       N       (input) INTEGER
24               The number of plane rotations to be generated.
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26       X       (input/output) DOUBLE PRECISION array,
27               dimension (1+(N-1)*INCX) On entry, the vector x.  On exit, x(i)
28               is overwritten by a(i), for i = 1,...,n.
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30       INCX    (input) INTEGER
31               The increment between elements of X. INCX > 0.
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33       Y       (input/output) DOUBLE PRECISION array,
34               dimension (1+(N-1)*INCY) On entry, the vector y.  On exit,  the
35               sines of the plane rotations.
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37       INCY    (input) INTEGER
38               The increment between elements of Y. INCY > 0.
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40       C       (output) DOUBLE PRECISION array, dimension (1+(N-1)*INCC)
41               The cosines of the plane rotations.
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43       INCC    (input) INTEGER
44               The increment between elements of C. INCC > 0.
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48 LAPACK auxiliary routine (versionNo3v.e2m)ber 2008                       DLARGV(1)