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fpmode(1) error
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rbk  
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 More options Jan 3 2011, 9:32 am
Newsgroups: comp.sys.mips
From: rbk <richard.krec...@areva.com>
Date: Mon, 3 Jan 2011 06:32:45 -0800 (PST)
Local: Mon, Jan 3 2011 9:32 am
Subject: fpmode(1) error
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According to the IRIX man page, one can use the fpmode command to
force the FPU into precise or performance mode. This ought to
influence the way subnormal floating-point numbers are handled, among
other things.

But it doesn't appear to work at all, on my system (R10000 with R10010
FPU with IRIX 6.5):
$ fpmode precise ./a.out
fpmode: could not SGI_SET_FP_PRECISE 1 -- Invalid argument
$ fpmode performance ./a.out
fpmode: could not SGI_SET_FP_PRECISE 0 -- Invalid argument

Does anyone have an idea what is going on?


 
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