Re: [boost] [fixed_point] Request for interest in a binary fixed point library

Subject: Re: [boost] [fixed_point] Request for interest in a binary fixed point library
From: Neal Becker (ndbecker2_at_[hidden])
Date: 2012-04-11 19:45:31

Vicente J. Botet Escriba wrote:

> Le 12/04/12 01:34, Neal Becker a écrit :
>> Vicente J. Botet Escriba wrote:
>>
>>> Le 12/04/12 00:25, Neal Becker a écrit :
>>>> Vicente J. Botet Escriba wrote:
>>>>
>>>>> Le 11/04/12 14:37, Neal Becker a écrit :
>>>> ...
>>>>>> Also,
>>>>>> fixed (double, integer_bits, frac_bits) constructor, or something like
>>>>>> it.
>>>>> Could you be more precise, please?
>>>> I want to be able to construct a fixed from a float, specifying the number
>>>> of integer and fractional bits (or equivalent).
>>>>
>>>>
>>> I don't understand. If the fixed_point type conveys the number of
>>> integer and fractional bits, why do you want to give them as parameters
>>> of the constructor?
>>>
>> Sorry for the confusion: my comment was about run-time specified fixed point
>> type.  If using compile-time specification of integer and fractional bits,
>> then you're correct - no need for those constructor parameters.
>>
> Do you really need a run-time fixed-point library? If yes, what is your
> context of use.
> 
I use if with python, but for the purpose of this discussion, we can probably 
ignore run-time.