<s>
The	O
Template	B-Language
Numerical	I-Language
Toolkit	I-Language
(	O
or	O
TNT	O
)	O
is	O
a	O
software	B-Library
library	I-Library
for	O
manipulating	O
vectors	O
and	O
matrices	B-Architecture
in	O
C++	B-Language
created	O
by	O
the	O
U.S.	O
National	O
Institute	O
of	O
Standards	O
and	O
Technology	O
.	O
</s>
<s>
TNT	O
is	O
analogous	O
to	O
the	O
BLAS	B-Application
library	O
used	O
by	O
LAPACK	B-Application
.	O
</s>
<s>
Higher	O
level	O
algorithms	O
,	O
such	O
as	O
LU	O
decomposition	O
and	O
singular	O
value	O
decomposition	O
,	O
are	O
provided	O
by	O
JAMA	B-Language
,	O
also	O
developed	O
at	O
NIST	O
,	O
which	O
uses	O
TNT	O
.	O
</s>
<s>
Matrices	B-Architecture
can	O
be	O
stored	O
in	O
row-major	B-Data_Structure
order	I-Data_Structure
or	I-Data_Structure
column-major	I-Data_Structure
order	I-Data_Structure
for	O
Fortran	B-Application
compatibility	O
.	O
</s>
<s>
Some	O
support	O
for	O
sparse	B-Algorithm
matrix	I-Algorithm
storage	O
is	O
provided	O
.	O
</s>
