.TH "swap" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
swap \- swap: x <=> y
.SH SYNOPSIS
.br
.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "subroutine \fBcswap\fP (n, cx, incx, cy, incy)"
.br
.RI "\fBCSWAP\fP "
.ti -1c
.RI "subroutine \fBdswap\fP (n, dx, incx, dy, incy)"
.br
.RI "\fBDSWAP\fP "
.ti -1c
.RI "subroutine \fBsswap\fP (n, sx, incx, sy, incy)"
.br
.RI "\fBSSWAP\fP "
.ti -1c
.RI "subroutine \fBzswap\fP (n, zx, incx, zy, incy)"
.br
.RI "\fBZSWAP\fP "
.in -1c
.SH "Detailed Description"
.PP 

.SH "Function Documentation"
.PP 
.SS "subroutine cswap (integer n, complex, dimension(*) cx, integer incx, complex, dimension(*) cy, integer incy)"

.PP
\fBCSWAP\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
!>
!>   CSWAP interchanges two vectors\&.
!> 
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
!>          N is INTEGER
!>         number of elements in input vector(s)
!> 
.fi
.PP
.br
\fICX\fP 
.PP
.nf
!>          CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!> 
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
!>          INCX is INTEGER
!>         storage spacing between elements of CX
!> 
.fi
.PP
.br
\fICY\fP 
.PP
.nf
!>          CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
!> 
.fi
.PP
.br
\fIINCY\fP 
.PP
.nf
!>          INCY is INTEGER
!>         storage spacing between elements of CY
!> 
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
!>
!>     jack dongarra, linpack, 3/11/78\&.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!> 
.fi
.PP
 
.RE
.PP

.PP
Definition at line \fB80\fP of file \fBcswap\&.f\fP\&.
.SS "subroutine dswap (integer n, double precision, dimension(*) dx, integer incx, double precision, dimension(*) dy, integer incy)"

.PP
\fBDSWAP\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
!>
!>    DSWAP interchanges two vectors\&.
!>    uses unrolled loops for increments equal to 1\&.
!> 
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
!>          N is INTEGER
!>         number of elements in input vector(s)
!> 
.fi
.PP
.br
\fIDX\fP 
.PP
.nf
!>          DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!> 
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
!>          INCX is INTEGER
!>         storage spacing between elements of DX
!> 
.fi
.PP
.br
\fIDY\fP 
.PP
.nf
!>          DY is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
!> 
.fi
.PP
.br
\fIINCY\fP 
.PP
.nf
!>          INCY is INTEGER
!>         storage spacing between elements of DY
!> 
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
!>
!>     jack dongarra, linpack, 3/11/78\&.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!> 
.fi
.PP
 
.RE
.PP

.PP
Definition at line \fB81\fP of file \fBdswap\&.f\fP\&.
.SS "subroutine sswap (integer n, real, dimension(*) sx, integer incx, real, dimension(*) sy, integer incy)"

.PP
\fBSSWAP\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
!>
!>    SSWAP interchanges two vectors\&.
!>    uses unrolled loops for increments equal to 1\&.
!> 
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
!>          N is INTEGER
!>         number of elements in input vector(s)
!> 
.fi
.PP
.br
\fISX\fP 
.PP
.nf
!>          SX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!> 
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
!>          INCX is INTEGER
!>         storage spacing between elements of SX
!> 
.fi
.PP
.br
\fISY\fP 
.PP
.nf
!>          SY is REAL array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
!> 
.fi
.PP
.br
\fIINCY\fP 
.PP
.nf
!>          INCY is INTEGER
!>         storage spacing between elements of SY
!> 
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
!>
!>     jack dongarra, linpack, 3/11/78\&.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!> 
.fi
.PP
 
.RE
.PP

.PP
Definition at line \fB81\fP of file \fBsswap\&.f\fP\&.
.SS "subroutine zswap (integer n, complex*16, dimension(*) zx, integer incx, complex*16, dimension(*) zy, integer incy)"

.PP
\fBZSWAP\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
!>
!>    ZSWAP interchanges two vectors\&.
!> 
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
!>          N is INTEGER
!>         number of elements in input vector(s)
!> 
.fi
.PP
.br
\fIZX\fP 
.PP
.nf
!>          ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!> 
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
!>          INCX is INTEGER
!>         storage spacing between elements of ZX
!> 
.fi
.PP
.br
\fIZY\fP 
.PP
.nf
!>          ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
!> 
.fi
.PP
.br
\fIINCY\fP 
.PP
.nf
!>          INCY is INTEGER
!>         storage spacing between elements of ZY
!> 
.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
\fBFurther Details:\fP
.RS 4

.PP
.nf
!>
!>     jack dongarra, 3/11/78\&.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!> 
.fi
.PP
 
.RE
.PP

.PP
Definition at line \fB80\fP of file \fBzswap\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.