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* Modernize AC_TRY_LINK invocations.Bruno Haible2010-08-261-21/+25
* update nearly all FSF copyright year lists to include 2010Jim Meyering2010-01-011-1/+1
* many *.m4 files: improve m4 quotingJim Meyering2009-01-141-3/+3
* Move the isnanf(), isnand(), isnanl() declarations to <math.h>.Bruno Haible2008-10-191-3/+4
* Move macros for finding floating-point exponents into separate M4 files.Ben Pfaff2008-07-251-111/+1
* Comment.Bruno Haible2008-07-131-1/+1
* Add isnand module.Ben Pfaff2008-07-121-8/+68
* Make use of GCC's __builtin_isnan.Bruno Haible2008-01-261-2/+9
* Rename isnan, applicable to 'double' only, to isnand.Bruno Haible2008-01-261-0/+137