dlapy3.f - Man Page

double precision function dlapy3 (x, y, z)
DLAPY3 returns sqrt(x2+y2+z2).

DLAPY3 returns sqrt(x2+y2+z2).  

Purpose:

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

Parameters

X

          X is DOUBLE PRECISION

Y

          Y is DOUBLE PRECISION

Z

          Z is DOUBLE PRECISION
          X, Y and Z specify the values x, y and z.

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 67 of file dlapy3.f.