Small Device C Compiler (SDCC) / Support Requests / #74 floating point error in handling

#74 floating point error in handling - 0.0

Status: closed

Owner: Maarten Brock

Labels: None

Priority: 5

Updated: 2011-09-02

Created: 2010-04-30

Creator: Robert Ramey

Private: No

float x;
...
0.0f != - x

That is, IEEE negative zero is not properly accounted for. In this case, this is handled by the compiler rather than a library so it has to be addressed in the compiler itself.

Attached you'll find the original test program and an excerpt from the generated assembly

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Robert Ramey - 2010-04-30

except from assembly

gbfp.txt

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Robert Ramey - 2010-04-30

source code to test program

gbfptest.c

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Maarten Brock - 2011-09-02

assigned_to: nobody --> maartenbrock

status: open --> closed
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Maarten Brock - 2011-09-02

Fixed in SDCC 3.0.4 #6805.

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floating point error in handling - 0.0

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#74 floating point error in handling - 0.0

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