LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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dlapy3.f File Reference

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Functions/Subroutines

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

Function/Subroutine Documentation

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

DLAPY3 returns sqrt(x2+y2+z2).

Download DLAPY3 + dependencies [TGZ] [ZIP] [TXT]

Purpose:
 DLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause
 unnecessary overflow.
Parameters
[in]X
          X is DOUBLE PRECISION
[in]Y
          Y is DOUBLE PRECISION
[in]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
September 2012

Definition at line 69 of file dlapy3.f.