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Date: | Sun, 4 Oct 1998 12:52:15 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
X-Sender: | eliz AT is |
To: | Bradley Walker <Brad DOT Walker AT Eng DOT Sun DOT COM> |
cc: | nate AT cartsys DOT com, djgpp AT delorie DOT com |
Subject: | Re: question about libm |
In-Reply-To: | <199810012318.QAA09752@boofoo.Eng> |
Message-ID: | <Pine.SUN.3.91.981004125007.1863Z-100000@is> |
MIME-Version: | 1.0 |
On Thu, 1 Oct 1998, Bradley Walker wrote: > My application is an extremely heavy user of pow() and log(). What > I'm interested is will the libm use a math coprocessor for these > functions or will it run them in s/w.. There's no FPU instruction for `pow', so some of it must be in s/w. In general, libm.a doesn't use FPU instructions at all, however. It uses high-accuracy polynomial expansions.
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