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* Rename isnan, applicable to 'double' only, to isnand.Bruno Haible2008-01-261-3/+3
* Change copyright notice from GPLv2+ to GPLv3+.Bruno Haible2007-10-071-6/+5
* Use copysign when implementing signbit, if the libc has it already.Bruno Haible2007-04-101-0/+8
* New module 'signbit'.Bruno Haible2007-04-061-0/+55