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X-Hacker.org- Watcom C/C++ User's Guide - generate in-line 80x87 code for math functions like sin, cos, tan, etc. if http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
Generate in-line 80x87 code for math functions like sin, cos, tan, etc.  If
this option is selected, it is the programmer's responsibility to make sure
that arguments to these functions are within the range accepted by the fsin,
fcos, etc.  instructions since no run-time check is made.  For 16-bit, you
must also include the "fp3" option to get in-line 80x87 code (except for
fabs).  The functions that can be generated in-line are:
atan  cos   exp   fabs  log10 log   sin   sqrt  tan

If the "ot" option is also specified, the exp function is generated in-line
as well.

The macro __SW_OM will be predefined if "om" is selected.

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