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  4. dlapy2.f(3)

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dlapy2.f(3) LAPACK dlapy2.f(3)

NAME

dlapy2.f -

SYNOPSIS

Functions/Subroutines


DOUBLE PRECISION function dlapy2 (X, Y)
DLAPY2 returns sqrt(x2+y2).

Function/Subroutine Documentation

DOUBLE PRECISION function dlapy2 (double precisionX, double precisionY)

DLAPY2 returns sqrt(x2+y2).

Purpose: 



 DLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary


 overflow.

Parameters:

X 



          X is DOUBLE PRECISION

Y



          Y is DOUBLE PRECISION


          X and Y specify the values x and y.

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

September 2012

Definition at line 64 of file dlapy2.f.

Author

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Tue Sep 25 2012 Version 3.4.2