2007-05-17  Cary R.  <cygcary <at> yahoo.com>

        * libm/math/w_atan2.c: Fix atan2 to be consistent with glibc
        (atan2(+0,-0), atan2(-0,-0) and atan(-0,+0))
        * libm/math/wf_atan2.c: Ditto.
                
2007-05-01  Cary R.  <cygcary <at> yahoo.com>

        * libm/math/e_pow.c: Fix to be consistent with glibc with regards to
        treatment of NaN and +-inf arguments.
        * libm/math/ef_pow.c: Ditto.
        * libm/math/w_pow.c: Ditto.
        * libm/math/wf_pow.c: Ditto.
        * libm/math/w_acos.c: Fix domain errors to return NaN.
        * libm/math/w_asin.c: Ditto.
        * libm/math/wf_acos.c: Ditto.
        * libm/math/wf_asin.c: Ditto.
        * libm/math/w_log.c: Fix to return NaN for negative number inputs.
        * libm/math/wf_log.c: Ditto.
        * libm/math/wf_log10.c: Ditto.
        * libm/math/w_log10.c: Ditto.