Re: [boost] [Math/nextafter] A question of naming functions...

From: Johan Råde (rade_at_[hidden])
Date: 2008-04-30 03:56:08

John Maddock wrote:
> 
> T nextafter(T val, T dir)
> 
> Returns the next representable floating point value to "val" in the 
> direction of "dir".  This name is basically fixed, since it's the one that 
> C99 uses.
> 
> T next_greater(T val)
> 
> Returns the next representable value greater than "val".
> 
> T next_less(T val)
> 
> Returns the next representable value less than "val".
> 
> T edit_distance(T a, T b)
> 
> Returns the number of floating point representations between values a and b.
> 

Hi John,

How did you implement these functions?
Are they wrappers around functions provided by the compiler,
or do you do some bit-twidling?

--Johan