dlapy2()

double precision function dlapy2	(	double precision	x,
		double precision	y )

DLAPY2 returns sqrt(x2+y2).

Download DLAPY2 + dependencies [TGZ] [ZIP] [TXT]

Purpose:

!>
!> DLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary
!> overflow and unnecessary underflow.
!> 

Parameters

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

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.