[PATCH 1/2] math.h: declare isinfl, isnanl for Cygwin

Yaakov Selkowitz yselkowitz@cygwin.com
Sun Apr 3 04:54:00 GMT 2016


On 2016-04-01 21:15, Craig Howland wrote:
> On 04/01/2016 09:26 PM, Gregory Pietsch wrote:
>> isnan and isinf are macros, not functions, so they should work on long
>> doubles.

Actually, isnan and isinf are also available as functions.  But we're 
talking about isnanl and isinfl.

> They are not C functions.

Yes they are, originally from BSD.  The implementations were just added 
to Cygwin (along with the other long double math functions) but these 
two declarations were missed at the time.

-- 
Yaakov



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