.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\&.