[Bug libstdc++/83140] assoc_legendre returns negated value when m is odd

[emsr at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83140

--- Comment #4 from emsr at gcc dot gnu.org ---
Author: emsr
Date: Thu May 10 13:59:52 2018
New Revision: 260115

URL: https://gcc.gnu.org/viewcvs?rev=260115&root=gcc&view=rev
Log:
2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>

        PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
        * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
        argument defaulted to +1.  Doxy comments on same.
        * testsuite/special_functions/02_assoc_legendre/
        check_assoc_legendre.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        02_assoc_legendre/check_tr1_assoc_legendre.cc: Regen.


Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/tr1/legendre_function.tcc
   
trunk/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
   
trunk/libstdc++-v3/testsuite/tr1/5_numerical_facilities/special_functions/02_assoc_legendre/check_value.cc