crot.f man page on Oracle

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```crot.f(3)			    LAPACK			     crot.f(3)

NAME
crot.f -

SYNOPSIS
Functions/Subroutines
subroutine crot (N, CX, INCX, CY, INCY, C, S)
CROT applies a plane rotation with real cosine and complex sine to
a pair of complex vectors.

Function/Subroutine Documentation
subroutine crot (integerN, complex, dimension( * )CX, integerINCX, complex,
dimension( * )CY, integerINCY, realC, complexS)
CROT applies a plane rotation with real cosine and complex sine to a
pair of complex vectors.

Purpose:

CROT   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 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 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 REAL

S

S is COMPLEX
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

NAG Ltd.

Date:
September 2012

Definition at line 104 of file crot.f.

Author
Generated automatically by Doxygen for LAPACK from the source code.

Version 3.4.2			Tue Sep 25 2012			     crot.f(3)
```
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