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PICList Thread
'[PIC] SoftFloat'
2009\02\01@231103 by solarwind

picon face
Hey all, I found a nice software floating point library written in C
http://www.jhauser.us/arithmetic/SoftFloat.html

It's supposed to compile on any ANSI C compiler and I believe that
because it all seems to be static and cleanly written. It's not a
massive library either. It lets you do 64 bit floating point on
compilers which don't support int64 (such as C18). It provides add,
subtract, multiply, divide and square root. It's pretty small and
compact.

How long do you guys think it'll take to write the rest of the math
functions? There also exists a free implementation of the C math
library here: http://www.netlib.org/fdlibm/

--
solarwind

2009\02\02@112423 by Walter Banks

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John Hauser among other things co-authored the C standards
for embedded systems.  (ISO 18037) This is a nice package
he also wrote one of the few float test suites.

This package is complete including the error reporting.

Regards,


--
Walter Banks
Byte Craft Limited
http://www.bytecraft.com




solarwind wrote:

{Quote hidden}

> -

2009\02\02@143739 by solarwind

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On Mon, Feb 2, 2009 at 11:22 AM, Walter Banks <spam_OUTwalterTakeThisOuTspambytecraft.com> wrote:
> John Hauser among other things co-authored the C standards
> for embedded systems.  (ISO 18037) This is a nice package
> he also wrote one of the few float test suites.
>
> This package is complete including the error reporting.
>
> Regards,
>

Well, it's complete in the sense that it only does add, subtract,
multiply, divide and square root.

--
solarwind

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