<s>
Behavioral	B-Language
Description	I-Language
Language	I-Language
(	O
BDL	B-Language
)	O
is	O
a	O
programming	O
language	O
based	O
on	O
ANSI	O
C	O
with	O
extensions	O
for	O
hardware	O
description	O
,	O
developed	O
to	O
describe	O
hardware	O
at	O
levels	O
ranging	O
from	O
the	O
algorithm	O
level	O
to	O
the	O
functional	O
level	O
.	O
</s>
<s>
Although	O
the	O
term	O
Behavioral	B-Language
Description	I-Language
Language	I-Language
is	O
a	O
generic	O
term	O
and	O
can	O
refer	O
to	O
multiple	O
high-level	O
description	O
languages	O
,	O
NEC	O
Corporation	O
has	O
developed	O
a	O
C-subset	O
called	O
BDL	B-Language
for	O
High-Level	O
Synthesis	O
.	O
</s>
<s>
As	O
BDL	B-Language
is	O
meant	O
for	O
Hardware	O
synthesis	O
,	O
the	O
complete	O
ANSI-C	O
syntax	O
is	O
not	O
supported	O
.	O
</s>
<s>
The	O
principal	O
unsupported	O
operations	O
are	O
:	O
(	O
i	O
)	O
Floating	O
point	O
data	O
types	O
(	O
ii	O
)	O
Sizeof	B-Language
operator	O
(	O
iii	O
)	O
unions	O
and	O
(	O
iv	O
)	O
Recursive	O
functions	O
.	O
</s>
<s>
BDL	B-Language
is	O
sometimes	O
also	O
known	O
as	O
Cyber	O
C	O
because	O
it	O
is	O
synthesized	O
using	O
NEC	O
's	O
High-Level	O
Synthesis	O
tool	O
called	O
CyberWorkBench	O
.	O
</s>
