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- From: Norbert_Unterberg@softstream.fido.de (Norbert Unterberg)
- Newsgroups: comp.os.ms-windows.programmer.win32
- Subject: Re: 32 gdi, floats -> coprocessor?
- Message-ID: <1926edbb@p4.f36.n245.z2.fidonet.org>
- Date: 15 Aug 92 10:32:08 GMT
- References: <9666484c@eng.ufl.edu>
- Organization: Norbert_Unterberg@softstream.fido.de
- Lines: 28
- X-Comment-To: jon@alpha.ee.ufl.edu (Jon Mellott)
-
-
- jon@alpha.ee.ufl.edu (Jon Mellott) writes:
-
- JM> In article <th+y+7g@rpi.edu>, moncrg@aix02.ecs.rpi.edu (Gregory Donald
- JM> Moncreaff) writes:
- JM> |> in Petzold's discussion of the 32bit gdi for
- JM> |> windows nt, it is revealed that gdi makes
- JM> |> use of floats for such things as bezier
- JM> |> curves and transformations
- JM> |> (september microsoft journal)
- JM> |>
- JM> |> does this mean it is time to get a floating
- JM> |> point coprocessor (for those of us without
- JM> |> 486dx's)?
- JM> |>
- JM> Probably. I prefer the Cyrix FasMath processor (for those with a 386).
-
- No. Microsoft said on the European Developers Conference that these float
- structures are only used "as an interface" to transfer the floating point
- numbers down to GDI. Inside GDI they use some highly optimized integer
- arithmetics. GDI does not take any advantage of a math coprocessor.
-
- Norbert
- ---
- Norbert Unterberg Phone: ++49-2335-6 17 86
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