Glas List: Re: [glas] value_type

From: Karl Meerbergen (Karl.Meerbergen_at_[hidden])
Date: 2005-10-06 02:14:41

Karl Meerbergen wrote:

>Peter Gottschling wrote:
>
>  
>
>>On 05.10.2005, at 10:10, Karl Meerbergen wrote:
>>
>> 
>>
>>    
>>
>>>Hello all,
>>>
>>>I split the NumericValue concept as follows (and adapted concept, 
>>>models and
>>>code) to this proposal:
>>>
>>>   * ClearableValue : zero<T>() needed for clearing
>>>   * AdditiveGroupValue: +, -: used by the norm functions
>>>   * RingValue: added * (not needed at this stage, but will be for 
>>>dot)
>>>   * HasModulus: needed for norm functions
>>>   
>>>
>>>      
>>>
>>Hi Karl,
>>
>>I would prefer HasMagnitude or something along these lines.  Modulus is 
>>for me the remainder of a division.
>>
>>Cheers,
>>
>>Peter
>>
>>    
>>
>
>I might be mistaken, but I thought that modulus is the term for absolute 
>value for complex (and thus also real) values, while modulo is used for 
>the remainder of the division?
>
>Karl
>

On second thought, it might perhaps be better to use HasAbsoluteValue 
than HasModulus.
In fact, good old fortran also uses abs, so why shouldn't we.

Karl