DLAPY3(3) LAPACK routine of NEC Numeric Library Collection DLAPY3(3) NAME DLAPY3 SYNOPSIS DOUBLE PRECISION FUNCTION DLAPY3 (X, Y, Z) PURPOSE DLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow. ARGUMENTS X (input) X is DOUBLE PRECISION Y (input) Y is DOUBLE PRECISION Z (input) Z is DOUBLE PRECISION X, Y and Z specify the values x, y and z. LAPACK routine 31 October 2017 DLAPY3(3)