<s>
NTL	O
is	O
a	O
C++	B-Language
library	O
for	O
doing	O
number	O
theory	O
.	O
</s>
<s>
NTL	O
supports	O
arbitrary	O
length	O
integer	O
and	O
arbitrary	B-Algorithm
precision	I-Algorithm
floating	B-Algorithm
point	I-Algorithm
arithmetic	I-Algorithm
,	O
finite	O
fields	O
,	O
vectors	O
,	O
matrices	B-Architecture
,	O
polynomials	O
,	O
lattice	O
basis	O
reduction	O
and	O
basic	O
linear	B-Language
algebra	I-Language
.	O
</s>
<s>
NTL	O
is	O
free	B-Application
software	I-Application
released	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
v2.1	O
.	O
</s>
