"""Spherical Unitary Explorer for classical groups (Python port). A 2026 Python port of the Perl programs spherical.pm, rootSystem.pm, sphericalExamples.pm and spherical.cgi / rootSystem.cgi of the Atlas of Lie Groups and Representations web site. It tests whether the spherical representation X(lambda) of a split real or p-adic classical group is unitary, using Dan Barbasch's algorithm. Modules: perlval Perl number / Math::Fraction emulation (exact arithmetic) rootsystem root systems (port of rootSystem.pm) spherical the unitarity test (port of spherical.pm) examples built-in examples (port of sphericalExamples.pm) web HTML output for the web page (port of the CGI programs) cli command line version (like sph.pl): python3 -m sphexplorer """ __version__ = "2026.1"