Re: [Boost-users] Numeric Cast from integer to floating point

Subject: Re: [Boost-users] Numeric Cast from integer to floating point
From: Richard (legalize+jeeves_at_[hidden])
Date: 2014-09-12 18:06:50

[Please do not mail me a copy of your followup]

Antony Polukhin <antoshkka_at_[hidden]> spake the secret code
<CAKqmYPa8aHVeYYB7ZwyLTO7twjnJ_XoohcZ3TXC4eng9pkQ=uA_at_[hidden]> thusly:

>2014-09-08 17:53 GMT+04:00 <dariomt_at_[hidden]>:
>> [...]
>> because that integer cannot be represented in double precision
>>
>> Is there something in Boost to help here?
>>
>That's an interesting question. numeric_cast function was designed to
>detect positive and negative overflows, not precision loss.

Robert Ramey's "Safe Numerics" is designed to allow the cast to proceed
when no precision is lost and do something else when precision is
lost.

<http://rrsd.com/blincubator.com/bi_library/safe-numerics/?gform_post_id=426>
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