.TH "BLAS/SRC/zdrot.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME BLAS/SRC/zdrot.f .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBzdrot\fP (n, zx, incx, zy, incy, c, s)" .br .RI "\fBZDROT\fP " .in -1c .SH "Function/Subroutine Documentation" .PP .SS "subroutine zdrot (integer n, complex*16, dimension( * ) zx, integer incx, complex*16, dimension( * ) zy, integer incy, double precision c, double precision s)" .PP \fBZDROT\fP .PP \fBPurpose:\fP .RS 4 .PP .nf !> !> Applies a plane rotation, where the cos and sin (c and s) are real !> and the vectors cx and cy are complex\&. !> jack dongarra, linpack, 3/11/78\&. !> .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf !> N is INTEGER !> On entry, N specifies the order of the vectors cx and cy\&. !> N must be at least zero\&. !> .fi .PP .br \fIZX\fP .PP .nf !> ZX is COMPLEX*16 array, dimension at least !> ( 1 + ( N - 1 )*abs( INCX ) )\&. !> Before entry, the incremented array ZX must contain the n !> element vector cx\&. On exit, ZX is overwritten by the updated !> vector cx\&. !> .fi .PP .br \fIINCX\fP .PP .nf !> INCX is INTEGER !> On entry, INCX specifies the increment for the elements of !> ZX\&. INCX must not be zero\&. !> .fi .PP .br \fIZY\fP .PP .nf !> ZY is COMPLEX*16 array, dimension at least !> ( 1 + ( N - 1 )*abs( INCY ) )\&. !> Before entry, the incremented array ZY must contain the n !> element vector cy\&. On exit, ZY is overwritten by the updated !> vector cy\&. !> .fi .PP .br \fIINCY\fP .PP .nf !> INCY is INTEGER !> On entry, INCY specifies the increment for the elements of !> ZY\&. INCY must not be zero\&. !> .fi .PP .br \fIC\fP .PP .nf !> C is DOUBLE PRECISION !> On entry, C specifies the cosine, cos\&. !> .fi .PP .br \fIS\fP .PP .nf !> S is DOUBLE PRECISION !> On entry, S specifies the sine, sin\&. !> .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 .PP Definition at line \fB97\fP of file \fBzdrot\&.f\fP\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.