NAME

dlapy2 - return sqrt(x∗∗2+y∗∗2), taking care not to cause unnecessary overflow

SYNOPSIS

DOUBLE PRECISION FUNCTION DLAPY2( X, Y )

DOUBLE PRECISION X, Y

#include <sunperf.h>

double dlapy2(double x, double y) ;

PURPOSE

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

ARGUMENTS

X (input) DOUBLE PRECISION
Y       (input) DOUBLE PRECISION X and Y specify the values x and y.

SunOS 5.0  —  Last change: 10 Dec 1998