dbc8f2b5ce
- Make some minor rearrangements in the introduction. - Mention the problem with argument reduction on i386. - Add recently-implemented functions to the table. - Un-document the error bounds that only apply to the old 4BSD math library, and fill in the correct values where I know them. No attempt has been made to document bounds lower than 1 ulp, although smaller bounds are usually achievable in round-to-nearest mode.