vimwiki/lang/bitwise_cast.wiki

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= Bitwise_cast =
This works for C/C++. Basically all you do it cast like this
{{{C
float cast(int foo){
return (* (float*)&foo);
}
}}}
This is also known as the "evil floating point bit level hacking" from the
quake III fast inverse square root.
== Uses ==
* Casting structs for hashing