SLAPY3(3F)SLAPY3(3F)NAMESLAPY3 - return sqrt(x**2+y**2+z**2), taking care not to cause
unnecessary overflow
SYNOPSIS
REAL FUNCTION SLAPY3( X, Y, Z )
REAL X, Y, Z
PURPOSESLAPY3 returns sqrt(x**2+y**2+z**2), taking care not to cause unnecessary
overflow.
ARGUMENTS
X (input) REAL
Y (input) REAL Z (input) REAL X, Y and Z specify the
values x, y and z.
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