VHDL Library for Half/Full and Carry Look Ahead adder

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akeedthe

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Hi,

Can anyone direct me to the vhdl library for a half adder, full adder and a carry-look-ahead adder please? (CLA with 9-bits)

Or in any other case, a suggestion for designing them.

Thanks,
 

thanks. but not looking for the truth table.

i was informed that a standard library with these adders may be available (especially for CLA). im hoping someone may have some advice on that.
 

There arnt any. You have to build your own or get someone elses. VHDL does not containt libraries of specific constructs, just abstracted ideas as different tools and vendors may do things differently.
 
thanks, any suggestions on where i can start pls. particularly the 9 bit CLA
 

well, in VHDL:

a <= b + c;

works just fine.
 

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