<s>
CLHEP	B-Application
(	O
short	O
for	O
A	O
Class	O
Library	B-Library
for	O
High	O
Energy	O
Physics	O
)	O
is	O
a	O
C++	B-Language
library	B-Library
that	O
provides	O
utility	O
classes	O
for	O
general	O
numerical	O
programming	O
,	O
vector	O
arithmetic	O
,	O
geometry	O
,	O
pseudorandom	B-Algorithm
number	I-Algorithm
generation	I-Algorithm
,	O
and	O
linear	B-Language
algebra	I-Language
,	O
specifically	O
targeted	O
for	O
high	O
energy	O
physics	O
simulation	O
and	O
analysis	O
software	O
.	O
</s>
<s>
According	O
to	O
the	O
project	O
's	O
website	O
,	O
CLHEP	B-Application
is	O
in	O
maintenance	B-General_Concept
mode	I-General_Concept
(	O
accepting	O
bug	O
fixes	O
but	O
no	O
further	O
development	O
is	O
expected	O
)	O
.	O
</s>
<s>
CLHEP	B-Application
was	O
proposed	O
by	O
Swedish	O
physicist	O
Leif	O
Lönnblad	O
in	O
1992	O
at	O
a	O
Conference	O
on	O
Computing	O
in	O
High-Energy	O
Physics	O
.	O
</s>
<s>
Lönnblad	O
is	O
still	O
involved	O
in	O
maintaining	O
CLHEP	B-Application
.	O
</s>
<s>
The	O
project	O
has	O
more	O
recently	O
accepted	O
contributions	O
from	O
other	O
projects	O
built	O
on	O
top	O
of	O
CLHEP	B-Application
,	O
including	O
the	O
physics	O
packages	O
Geant4	B-Application
and	O
ZOOM	O
,	O
and	O
the	O
BaBar	O
experiment	O
at	O
SLAC	O
.	O
</s>
