NAME

dlapy3 - return sqrt(x∗∗2+y∗∗2+z∗∗2), taking care not to cause unnecessary overflow

SYNOPSIS

DOUBLE PRECISION FUNCTION DLAPY3( X, Y, Z )

DOUBLE PRECISION X, Y, Z

#include <sunperf.h>

double dlapy3(double x, double y, double z) ;

PURPOSE

DLAPY3 returns sqrt(x∗∗2+y∗∗2+z∗∗2), taking care not to cause unnecessary overflow. 
 

ARGUMENTS

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

SunOS 5.0  —  Last change: 10 Dec 1998