Printf prints NaN for -Inf

Peter Kabal kabal@ECE.McGill.CA
Tue Nov 12 06:59:00 GMT 2002

I am running gcc 3.2 under Cygwin. I am told that the printf routine
comes from newlib.

The function call log(0) returns the bit pattern for -Inf, but if this
value is given to printf, the printout says "NaN". [printf ("%g\n",

Peter Kabal     Kabal@ECE.McGill.CA (514) 398-7130
Electrical & Computer Engineering   (514) 398-4470 (FAX)
McGill University 
3480 University, Montreal, Quebec, Canada  H3A 2A7

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