<s>
IML++	B-Language
,	O
or	O
the	O
Iterative	O
Methods	O
Library	O
,	O
is	O
a	O
C++	O
library	O
for	O
solving	O
linear	O
systems	O
of	O
equations	O
.	O
</s>
<s>
IML++	B-Language
was	O
developed	O
by	O
the	O
National	O
Institute	O
of	O
Standards	O
and	O
Technology	O
,	O
and	O
is	O
in	O
the	O
public	O
domain	O
.	O
</s>
<s>
It	O
has	O
been	O
largely	O
superseded	O
by	O
the	O
Template	B-Language
Numerical	I-Language
Toolkit	I-Language
.	O
</s>
