LARTGP: generates a plane rotation so that [ CS SN ] . [ F ] = [ R ] where CS**2 + SN**2 = 1. [ -SN CS ] [ G ] [ 0 ] This is a slower, more accurate version of the Level 1 BLAS routine DROTG, with the following other differences: F and G are unchanged on return. If G=0, then CS=(+/-)1 and SN=0. If F=0 and (G .ne. 0), then CS=0 and SN=(+/-)1. The sign is chosen so that R >= 0. More...

Public Member Functions
pure subroutine	dlartgp (f, g, cs, sn, r)

	la_dlartgp

	la_qlartgp

pure subroutine	slartgp (f, g, cs, sn, r)

	la_slartgp

Detailed Description

LARTGP: generates a plane rotation so that [ CS SN ] . [ F ] = [ R ] where CS**2 + SN**2 = 1. [ -SN CS ] [ G ] [ 0 ] This is a slower, more accurate version of the Level 1 BLAS routine DROTG, with the following other differences: F and G are unchanged on return. If G=0, then CS=(+/-)1 and SN=0. If F=0 and (G .ne. 0), then CS=0 and SN=(+/-)1. The sign is chosen so that R >= 0.

Member Function/Subroutine Documentation

◆ dlartgp()

pure subroutine la_lapack::lartgp::dlartgp	(	real(dp), intent(in)	f,
		real(dp), intent(in)	g,
		real(dp), intent(out)	cs,
		real(dp), intent(out)	sn,
		real(dp), intent(out)	r
	)

◆ la_dlartgp()

la_lapack::lartgp::la_dlartgp

◆ la_qlartgp()

la_lapack::lartgp::la_qlartgp

◆ la_slartgp()

la_lapack::lartgp::la_slartgp

◆ slartgp()

pure subroutine la_lapack::lartgp::slartgp	(	real(sp), intent(in)	f,
		real(sp), intent(in)	g,
		real(sp), intent(out)	cs,
		real(sp), intent(out)	sn,
		real(sp), intent(out)	r
	)

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

la_lapack.f90