SLAPY2 returns sqrt(x2+y2).
Download SLAPY2 + dependencies [TGZ] [ZIP] [TXT]
!> !> SLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary !> overflow and unnecessary underflow. !>
!> X is REAL !>
!> Y is REAL !> X and Y specify the values x and y. !>