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Date:      Tue, 28 May 1996 09:37:03 -0400
From:      Alexander Seth Jones <ajones@ctron.com>
To:        hackers@freefall.freebsd.org
Subject:   using floating point arithmetic inside a device driver
Message-ID:  <31AB017F.1EE1@ctron.com>

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Hello,

  I'm writing a device driver which needs to do some floating point
calculations, but when the floating point code executes the kernel traps
with number 22 "FPU device not available".  I'm have an AMD 486DX4-120.
I'm not concerned with portability at this time (ie running on SX's).

  Would someone care to explain what's going on?

  Thanks.

Alex Jones



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