man dlapy3 (Fonctions bibliothèques) - return sqrt(x**2+y**2+z**2), taking care not to cause unnecessary overflow
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
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.