SRC/dlapy3.f(3) Library Functions Manual SRC/dlapy3.f(3)

SRC/dlapy3.f


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.

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Version 3.12.0 LAPACK