[Bug libstdc++/66689] comp_ellint_3 and ellint_3 return garbage values

[3dw4rd at verizon dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66689

--- Comment #6 from Ed Smith-Rowland <3dw4rd at verizon dot net> ---
Created attachment 42635
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42635&action=edit
Patch with regenerated testcases for all. tr1 and std.

2017-11-17  Edward Smith-Rowland  <3dw4rd@verizon.net>

        PR libstdc++/pr66689 - comp_ellint_3 and ellint_3 return garbage values
        * include/tr1/ell_integral.tcc: Correct the nu sign convention
        in ellint_3 and comp_ellint_3.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        06_comp_ellint_3/check_value.cc: Regen with correct values.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        14_ellint_3/check_value.cc: Ditto.
        * testsuite/special_functions/06_comp_ellint_3/check_value.cc: Ditto.
        * testsuite/special_functions/13_ellint_3/check_value.cc: Ditto.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        01_assoc_laguerre/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        02_assoc_legendre/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        03_beta/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        04_comp_ellint_1/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        05_comp_ellint_2/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        07_conf_hyperg/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        08_cyl_bessel_i/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        09_cyl_bessel_j/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        10_cyl_bessel_k/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        11_cyl_neumann/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        12_ellint_1/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        13_ellint_2/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        15_expint/check_value_neg.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        16_hermite/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        17_hyperg/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        18_laguerre/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        19_legendre/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        20_riemann_zeta/check_value_neg.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        21_sph_bessel/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        22_sph_legendre/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        23_sph_neumann/check_value.cc: Regen.
        * testsuite/ext/special_functions/conf_hyperg/check_value.cc: Regen.
        * testsuite/ext/special_functions/hyperg/check_value.cc: Regen.
        * testsuite/special_functions/01_assoc_laguerre/check_value.cc: Regen.
        * testsuite/special_functions/02_assoc_legendre/check_value.cc: Regen.
        * testsuite/special_functions/03_beta/check_value.cc: Regen.
        * testsuite/special_functions/04_comp_ellint_1/check_value.cc: Regen.
        * testsuite/special_functions/05_comp_ellint_2/check_value.cc: Regen.
        * testsuite/special_functions/07_cyl_bessel_i/check_value.cc: Regen.
        * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Regen.
        * testsuite/special_functions/09_cyl_bessel_k/check_value.cc: Regen.
        * testsuite/special_functions/10_cyl_neumann/check_value.cc: Regen.
        * testsuite/special_functions/11_ellint_1/check_value.cc: Regen.
        * testsuite/special_functions/12_ellint_2/check_value.cc: Regen.
        * testsuite/special_functions/14_expint/check_value.cc: Regen.
        * testsuite/special_functions/15_hermite/check_value.cc: Regen.
        * testsuite/special_functions/16_laguerre/check_value.cc: Regen.
        * testsuite/special_functions/17_legendre/check_value.cc: Regen.
        * testsuite/special_functions/18_riemann_zeta/check_value.cc: Regen.
        * testsuite/special_functions/19_sph_bessel/check_value.cc: Regen.
        * testsuite/special_functions/20_sph_legendre/check_value.cc: Regen.
        * testsuite/special_functions/21_sph_neumann/check_value.cc: Regen.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        06_comp_ellint_3/pr66689.cc: New.
        * testsuite/tr1/5_numerical_facilities/special_functions/
        14_ellint_3/pr66689.cc: New.
        * testsuite/special_functions/06_comp_ellint_3/pr66689.cc: New.
        * testsuite/special_functions/13_ellint_3/pr66689.cc: New.