.TH "zrot.f" 3 "Wed Oct 15 2014" "Version 3.4.2" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME zrot.f \- .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBzrot\fP (N, CX, INCX, CY, INCY, C, S)" .br .RI "\fI\fBZROT\fP applies a plane rotation with real cosine and complex sine to a pair of complex vectors\&. \fP" .in -1c .SH "Function/Subroutine Documentation" .PP .SS "subroutine zrot (integerN, complex*16, dimension( * )CX, integerINCX, complex*16, dimension( * )CY, integerINCY, double precisionC, complex*16S)" .PP \fBZROT\fP applies a plane rotation with real cosine and complex sine to a pair of complex vectors\&. .PP \fBPurpose: \fP .RS 4 .PP .nf 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. .fi .PP .RE .PP \fBParameters:\fP .RS 4 \fIN\fP .PP .nf N is INTEGER The number of elements in the vectors CX and CY. .fi .PP .br \fICX\fP .PP .nf CX is COMPLEX*16 array, dimension (N) On input, the vector X. On output, CX is overwritten with C*X + S*Y. .fi .PP .br \fIINCX\fP .PP .nf INCX is INTEGER The increment between successive values of CY. INCX <> 0. .fi .PP .br \fICY\fP .PP .nf CY is COMPLEX*16 array, dimension (N) On input, the vector Y. On output, CY is overwritten with -CONJG(S)*X + C*Y. .fi .PP .br \fIINCY\fP .PP .nf INCY is INTEGER The increment between successive values of CY. INCX <> 0. .fi .PP .br \fIC\fP .PP .nf C is DOUBLE PRECISION .fi .PP .br \fIS\fP .PP .nf S is COMPLEX*16 C and S define a rotation [ C S ] [ -conjg(S) C ] where C*C + S*CONJG(S) = 1.0. .fi .PP .RE .PP \fBAuthor:\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP \fBDate:\fP .RS 4 September 2012 .RE .PP .PP Definition at line 104 of file zrot\&.f\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.