DSWAP(3)

okay so bestie, welcome to the Library Functions Manual — this is the dswap.f(3) page, and yes the header path energy is /home/abui...SRC/dswap.f(3) ✨

💖 NAME 💖

This page’s NAME entry is literally a file path, no cap:

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/BLAS/SRC/dswap.f

✨ SYNOPSIS ✨

🎀 Functions/Subroutines 🎀

   Functions/Subroutines
       subroutine DSWAP (n, dx, incx, dy, incy)
           DSWAP

🦋 Function/Subroutine Documentation 🦋

Here’s the signature, exactly as given:

   subroutine DSWAP (integer n, double precision, dimension(*) dx, integer
       incx, double precision, dimension(*) dy, integer incy)
       DSWAP

🌸 Purpose 🌸

Purpose: the Doxygen block says:

!>
!>    DSWAP interchanges two vectors.
!>    uses unrolled loops for increments equal to 1.
!>

Group-chat translation: DSWAP swaps two vectors, and it uses unrolled loops when the increments are equal to 1 💅

🍓 Parameters 🍓

N

!>          N is INTEGER
!>         number of elements in input vector(s)
!>

N is the count of elements in the input vector(s), bestie 💖

DX

!>          DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!>

DX is a DOUBLE PRECISION array with that exact dimension expression 🫶

INCX

!>          INCX is INTEGER
!>         storage spacing between elements of DX
!>

INCX is an INTEGER: the storage spacing between elements of DX 🌸

DY

!>          DY is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
!>

DY is a DOUBLE PRECISION array with that exact dimension expression 🎀

INCY

!>          INCY is INTEGER
!>         storage spacing between elements of DY
!>

INCY is an INTEGER: the storage spacing between elements of DY 🦋

👑 Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

🔥 Further Details: 🔥

!>
!>     jack dongarra, linpack, 3/11/78.
!>     modified 12/3/93, array(1) declarations changed to array(*)
!>

History check, preserved exactly: jack dongarra, linpack, 3/11/78. and modified 12/3/93, array(1) declarations changed to array(*) 🌈

Definition at line 81 of file dswap.f.

📜 Author 📜

Generated automatically by Doxygen for LAPACK from the source code.

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Footer sign-off, cute and complete: LAPACK · Version 3.12.0 · /home/abui...SRC/dswap.f(3) 💜🫶