Re: strtod bugs

[Eric Blake]

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According to Eric Blake on 3/31/2008 1:22 PM:
| | The trouble is that signbit(result) returns INT_MIN,
| | while signbit(-0.0) returns 1.  Both seem to be allowed, so
| | how about this change?  It solves the problem for me.
|
| Good catch.  Yes, signbit is allowed to return any non-zero value when the
| argument is negative,

Independent of your patch, should we raise this as a gcc bug, that when it
does constant-folding optimization of signbit at compile-time
(signbit(-0.0) => 1), it results in a different value than when the macro
is used on a runtime value (signbit(result) => mask off all but the sign bit)?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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