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  3. lapack
  4. dlapy3.f(3)

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dlapy3.f(3) LAPACK dlapy3.f(3)

NAME

dlapy3.f

SYNOPSIS

Functions/Subroutines


double precision function dlapy3 (X, Y, Z)
DLAPY3 returns sqrt(x2+y2+z2).

Function/Subroutine Documentation

double precision function dlapy3 (double precision X, double precision Y, double precision Z)

DLAPY3 returns sqrt(x2+y2+z2).

Purpose: 



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


 unnecessary overflow.

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.

Date:

December 2016

Definition at line 70 of file dlapy3.f.

Author

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Tue Nov 14 2017 Version 3.8.0