NAME
DLAPY2 - returns sqrt(x**2+y**2), taking care not to cause unnecessary overflow
SYNOPSIS
- DOUBLE PRECISION
-
FUNCTION DLAPY2( X, Y )
- DOUBLE
-
PRECISION X, Y
PURPOSE
DLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary overflow.
ARGUMENTS
- X (input) DOUBLE PRECISION
-
Y (input) DOUBLE PRECISION X and Y specify the values x and y.