Hi list,
I have to make a division that sometimes yields and inf, and I want to
replace it by 0.
I have try this:
---------------------------------------
import pylab as p
p.seterr(divide='raise')
l = array vector defined along the program
try:
a = (dr*R*dl)/(1.-((R0/R)*p.sin(l))**2)**(1./2)
except FloatingPointError:
a=0
---------------------------------
It works, but it doesn't return an array as expect, if some of the values
are zero, then a = 0.
So I tried:
--------------------------
a = p.zeros(len(l))
for i in range(len(l)):
try:
a[i] = (dr*R*dl)/(1.-((R0/R)*p.sin(l[i]))**2)**(1./2)
except FloatingPointError:
a[i]=0
--------------------------------
But doing it this way I'm not able to get an exception:
array([ Inf])
And I don't know what I have to change to get an exception doing things this
way.
Thank you,
Illa
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