?lapy2

Returns sqrt(x2+y2).

Syntax

val = slapy2( x, y )

val = dlapy2( x, y )

Include Files

Description

The function ?lapy2 returns sqrt(x2+y2), avoiding unnecessary overflow or harmful underflow.

Input Parameters

x, y

REAL for slapy2

DOUBLE PRECISION for dlapy2

Specify the input values x and y.

Output Parameters

val

REAL for slapy2

DOUBLE PRECISION for dlapy2.

Value returned by the function.

Parent topic: Auxiliary Routines

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