ieee floating point interrupt handling

Gary Tarolli tarolli at westcoast.esd.sgi.com
Thu Jun 13 02:07:56 AEST 1991


In article <1991Jun11.065238.1 at rogue.llnl.gov>, spelce at rogue.llnl.gov writes:
> We just received several 4D35TG's and need to know how to get 
> ieee interrupt handling enabled from Fortran codes. We just 
> interested in enabling divide by zero, overflow, and "invlaid" 
> exceptions. We'd also like to set underflow to zero ...
> 
> Any info to help first time a first time SGI user will be appreciated.
> 
read the sigfpe man page, its full of info.  You also should read chapter
8 of Kane's MIPS R2000 book, the chapter on floating point exceptions.
It turns out that some exceptions like invalid, cannot be disabled.  However
you can do your own handler for them.

--------------------
	Gary Tarolli



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