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 )

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◆ 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 )