fortran-lapack
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la_blas::spr2 Interface Reference

SPR2: performs the symmetric rank 2 operation A := alpha*x*y**T + alpha*y*x**T + A, where alpha is a scalar, x and y are n element vectors and A is an n by n symmetric matrix, supplied in packed form. More...

Public Member Functions

pure subroutine dspr2 (uplo, n, alpha, x, incx, y, incy, ap)
 
 la_dspr2
 
 la_qspr2
 
pure subroutine sspr2 (uplo, n, alpha, x, incx, y, incy, ap)
 
 la_sspr2
 

Detailed Description

SPR2: performs the symmetric rank 2 operation A := alpha*x*y**T + alpha*y*x**T + A, where alpha is a scalar, x and y are n element vectors and A is an n by n symmetric matrix, supplied in packed form.

Member Function/Subroutine Documentation

◆ dspr2()

pure subroutine la_blas::spr2::dspr2 ( character, intent(in)  uplo,
integer(ilp), intent(in)  n,
real(dp), intent(in)  alpha,
real(dp), dimension(*), intent(in)  x,
integer(ilp), intent(in)  incx,
real(dp), dimension(*), intent(in)  y,
integer(ilp), intent(in)  incy,
real(dp), dimension(*), intent(inout)  ap 
)

◆ la_dspr2()

la_blas::spr2::la_dspr2

◆ la_qspr2()

la_blas::spr2::la_qspr2

◆ la_sspr2()

la_blas::spr2::la_sspr2

◆ sspr2()

pure subroutine la_blas::spr2::sspr2 ( character, intent(in)  uplo,
integer(ilp), intent(in)  n,
real(sp), intent(in)  alpha,
real(sp), dimension(*), intent(in)  x,
integer(ilp), intent(in)  incx,
real(sp), dimension(*), intent(in)  y,
integer(ilp), intent(in)  incy,
real(sp), dimension(*), intent(inout)  ap 
)

The documentation for this interface was generated from the following file: