zrot.f - Online Linux Manual Page

Section : 3
Updated : Tue Nov 14 2017
Source : Version 3.8.0
Note : LAPACK

NAMEzrot.f

SYNOPSIS

Functions/Subroutinessubroutine zrot (N, CX, INCX, CY, INCY, C, S)
ZROT applies a plane rotation with real cosine and complex sine to a pair of complex vectors​.

Function/Subroutine Documentation

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​. Purpose: 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.Parameters: N N is INTEGER The number of elements in the vectors CX and CY.
CX
CX is COMPLEX*16 array, dimension (N) On input, the vector X. On output, CX is overwritten with C*X + S*Y.
INCX
INCX is INTEGER The increment between successive values of CY. INCX <> 0.
CY
CY is COMPLEX*16 array, dimension (N) On input, the vector Y. On output, CY is overwritten with -CONJG(S)*X + C*Y.
INCY
INCY is INTEGER The increment between successive values of CY. INCX <> 0.
C
C is DOUBLE PRECISION
S
S is COMPLEX*16 C and S define a rotation [ C S ] [ -conjg(S) C ] where C*C + S*CONJG(S) = 1.0.Author: Univ​. of Tennessee Univ​. of California Berkeley Univ​. of Colorado Denver NAG Ltd​. Date: December 2016 Definition at line 105 of file zrot​.f​.

AuthorGenerated automatically by Doxygen for LAPACK from the source code​.
0
Johanes Gumabo
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