LAPACK
3.6.1
LAPACK: Linear Algebra PACKage
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subroutine zrot | ( | integer | N, |
complex*16, dimension( * ) | CX, | ||
integer | INCX, | ||
complex*16, dimension( * ) | CY, | ||
integer | INCY, | ||
double precision | C, | ||
complex*16 | S | ||
) |
ZROT applies a plane rotation with real cosine and complex sine to a pair of complex vectors.
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ZROT applies a plane rotation, where the cos (C) is real and the sin (S) is complex, and the vectors CX and CY are complex.
[in] | N | N is INTEGER The number of elements in the vectors CX and CY. |
[in,out] | CX | CX is COMPLEX*16 array, dimension (N) On input, the vector X. On output, CX is overwritten with C*X + S*Y. |
[in] | INCX | INCX is INTEGER The increment between successive values of CY. INCX <> 0. |
[in,out] | CY | CY is COMPLEX*16 array, dimension (N) On input, the vector Y. On output, CY is overwritten with -CONJG(S)*X + C*Y. |
[in] | INCY | INCY is INTEGER The increment between successive values of CY. INCX <> 0. |
[in] | C | C is DOUBLE PRECISION |
[in] | S | S is COMPLEX*16 C and S define a rotation [ C S ] [ -conjg(S) C ] where C*C + S*CONJG(S) = 1.0. |
Definition at line 105 of file zrot.f.