Re: [boost] Boost.MathConstants: Review

From: Gabriel Dos Reis (Gabriel.Dos-Reis_at_[hidden])
Date: 2001-04-20 08:40:23

Matt Austern <austern_at_[hidden]> writes:

| There might be, depending on what kind of initialization we're
| talking about.  But since this is inherently platform specific
| anyway, you can always use platform-specific initialization 
| tricks if you have to.
| 
| And in some cases you might not have to use any such tricks.
| I'm thinking of something like this:
| 
| union fp_constant {  
|   unsigned int n;
|   float f;
| };
| 
| fp_constant internal_pi = { 0x40490fdb };
| float pi = internal_pi.f;

Matt, doesn't that belong to undefined behaviour-land?

-- Gaby