DLAPY2(3) LAPACK routine of NEC Numeric Library Collection DLAPY2(3) NAME DLAPY2 SYNOPSIS DOUBLE PRECISION FUNCTION DLAPY2 (X, Y) PURPOSE DLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary overflow. ARGUMENTS X (input) X is DOUBLE PRECISION Y (input) Y is DOUBLE PRECISION X and Y specify the values x and y. LAPACK routine 31 October 2017 DLAPY2(3)