function file "ordreofmagnitude.m"

Function m = ordreofmagnitude(x)

returns the ordre of magnitude of real or
integer x (or, of real or integer values in 
vector x).

The definition in 
  https://en.wikipedia.org/wiki/Order_of_magnitude
is used here:

  x = a * 10^m

with 

  m = ordre of magnitude (an integer);

and

  (1/sqrt(10)) <= a < sqrt(10).


(c) 2026 fabien van mook

2026.08.20 release of this file within package "fvm-nicerange" under GNU GPLv3+