Re: Unexpected results while working with floats

On Mon, 12 May 2008 16:02:54 -0700, Greg Herlihy wrote:

> On May 12, 3:08 pm, Lionel B <m...@[EMAIL PROTECTED]
> wrote:
>>
>> On my system (compiler GCC 4.1.2) with
>>
>>   float f = 139.4;
>>
>> and compiled with:
>>
>>   g++ -std=c++98 -pedantic -Wall -Wextra
>>
>> I get no warnings and the output is 'Expected result'. Should the
>> compiler warn if there's an implicit conversion? Or only if it results
>> in loss of precision?
> 
> The g++ compiler can issue a warning if you want one:
> 
>    g++ -Wshorten-64-to-32

cc1plus: error: unrecognized command line option "-Wshorten-64-to-32"

GCC 4.3.0 on x86_64

Anyway, that doesn't sound like a floating-point warning...

-- 
Lionel B