Natural Logarithm Calculation with VHDL

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vhdl logarithm

How calculate Natural Logarithm with VHDL?

Note: The program will receive N-Bit of sequence of numbers and computes Natural Logarithm. The input number will have K bits integer with K<N.

Thanks in advance!!
 

logarithm vhdl

There's a clear statement in edaboard rules and points regarding crosspostings. There's no need of posting five copies of a question.

Regarding your question, you should read about numerical methods. The question isn't particularly related to VHDL, exept for the fact, that a VHDL compiler don't provide a synthesizable ln() library function, in contrast to a usual C compiler.
 

natural log calculation

First Answer:
Regarding your question, you should read about numerical methods. The question isn't particularly related to VHDL, except for the fact, that a VHDL compiler don\'t provide a synthesizable ln() library function, in contrast to a usual C compiler.


My Answer and comments;

I totally agreed with you comments. I will assume that you refers to Taylor Series. Therefore, could you provide some example or idea how I can implement Taylor Series with VHDL?

Thanks in advance!!!
 

vhdl calculator

For limited bit length or a restricted number range, a lock-up table can be a solution. In the general case, an iterative calculation controlled by a state machine is necessary. Or a fast, but resource consuming parallel implementation with a fixed number of series terms.
 

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