zlacrt.f man page

zlacrt.f —

Synopsis

Functions/Subroutines

subroutine zlacrt (N, CX, INCX, CY, INCY, C, S)
ZLACRT performs a linear transformation of a pair of complex vectors.

Function/Subroutine Documentation

subroutine zlacrt (integer N, complex*16, dimension( * ) CX, integer INCX, complex*16, dimension( * ) CY, integer INCY, complex*16 C, complex*16 S)

ZLACRT performs a linear transformation of a pair of complex vectors.  

Purpose:

 ZLACRT performs the operation

    (  c  s )( x )  ==> ( x )
    ( -s  c )( y )      ( y )

 where c and s are complex and the vectors x and y 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 CX.  INCX <> 0.

CY

          CY is COMPLEX*16 array, dimension (N)
          On input, the vector y.
          On output, CY is overwritten with -s*x + c*y.

INCY

          INCY is INTEGER
          The increment between successive values of CY.  INCY <> 0.

C

          C is COMPLEX*16

S

          S is COMPLEX*16
          C and S define the matrix
             [  C   S  ].
             [ -S   C  ]
Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

December 2016

Definition at line 107 of file zlacrt.f.

Author

Generated automatically by Doxygen for LAPACK from the source code.

Referenced By

The man page zlacrt(3) is an alias of zlacrt.f(3).

Sat Jun 24 2017 Version 3.7.1 LAPACK