SYNOPSIS

DOUBLE PRECISION

FUNCTION DLAPY3( X, Y, Z )

    

DOUBLE PRECISION X, Y, Z

PURPOSE

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

ARGUMENTS

X (input) DOUBLE PRECISION

Y (input) DOUBLE PRECISION Z (input) DOUBLE PRECISION X, Y and Z specify the values x, y and z.