dlapy3()

double precision function dlapy3	(	double precision	x,
		double precision	y,
		double precision	z )

DLAPY3 returns sqrt(x2+y2+z2).

Download DLAPY3 + dependencies [TGZ] [ZIP] [TXT]

Purpose:

!>
!> DLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause
!> unnecessary overflow and unnecessary underflow.
!> 

Parameters

[in]	X	!> X is DOUBLE PRECISION !>
[in]	Y	!> Y is DOUBLE PRECISION !>
[in]	Z	!> Z is DOUBLE PRECISION !> X, Y and Z specify the values x, y and z. !>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.