Re: Way to use Ada Mod function on floats?

[Simon Wright <simon@pushface.org>]

Gautier <gautier@fakeaddress.nil> writes:

> Stephen Leake:
>
>> SAL (http://stephe-leake.org/ada/sal.html) has:
>>
>>    function Modulo (Dividend, Divisor : in Real_Type) return Real_Type
>>    is
>>       --  match names in Ada LRM 4.5.5
>>
>>       A : Real_Type renames Dividend;
>>       B : Real_Type renames Divisor;
>>       N : constant Integer := Integer (Real_Type'Floor (A / B));
>>    begin
>>       return A - B * Real_Type (N);
>>    end Modulo;
>
> Out of curiosity, what is the need of converting Real_Type'Floor (A /
> B) to an Integer and back to a Real_Type ?

Especially when it can overflow and give you a Constraint_Error.