.TH "swap" 3 "Wed Feb 7 2024 11:30:40" "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

.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

.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

.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

.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.