Re: [boost] Some follow-up on my fixed point code, and safe integers

Phil Endecott wrote:

- My concerns about how to do, for example, a 32x32->64-bit multiply efficiently without actually doing a 64x64->64-bit multiply.

You might take a look at: http://www.devmaster.net/articles/fixed-point-optimizations/ and the discussion in the forums afterwards: http://www.devmaster.net/forums/showthread.php?t=9531 - Michael Marcin