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math_symbol_table.py

symbols = [
    ["Lower-case Greek",
     5,
     r"""\alpha \beta \gamma \chi \delta \epsilon \eta \iota \kappa
         \lambda \mu \nu \omega \phi \pi \psi \rho \sigma \tau \theta
         \upsilon \xi \zeta \digamma \varepsilon \varkappa \varphi
         \varpi \varrho \varsigma \vartheta"""],
    ["Upper-case Greek",
     6,
     r"""\Delta \Gamma \Lambda \Omega \Phi \Pi \Psi \Sigma \Theta
     \Upsilon \Xi \mho \nabla"""],
    ["Hebrew",
     4,
     r"""\aleph \beth \daleth \gimel"""],
    ["Delimiters",
     6,
     r"""| \{ \lfloor / \Uparrow \llcorner \vert \} \rfloor \backslash
         \uparrow \lrcorner \| \langle \lceil [ \Downarrow \ulcorner
         \Vert \rangle \rceil ] \downarrow \urcorner"""],
    ["Big symbols",
     5,
     r"""\bigcap \bigcup \bigodot \bigoplus \bigotimes \biguplus
         \bigvee \bigwedge \coprod \oint \prod \sum \int"""],
    ["Standard function names",
     4,
     r"""\arccos \csc \ker \min \arcsin \deg \lg \Pr \arctan \det \lim
         \gcd \ln \sup \cot \hom \log \tan \coth \inf \max \tanh
         \sec \arg \dim \liminf \sin \cos \exp \limsup \sinh \cosh"""],
    ["Binary operation and relation symbols",
     3,
     r"""\ast \pm \slash \cap \star \mp \cup \cdot \uplus
     \triangleleft \circ \odot \sqcap \triangleright \bullet \ominus
     \sqcup \bigcirc \oplus \wedge \diamond \oslash \vee
     \bigtriangledown \times \otimes \dag \bigtriangleup \div \wr
     \ddag \barwedge \veebar \boxplus \curlywedge \curlyvee \boxminus
     \Cap \Cup \boxtimes \bot \top \dotplus \boxdot \intercal
     \rightthreetimes \divideontimes \leftthreetimes \equiv \leq \geq
     \perp \cong \prec \succ \mid \neq \preceq \succeq \parallel \sim
     \ll \gg \bowtie \simeq \subset \supset \Join \approx \subseteq
     \supseteq \ltimes \asymp \sqsubset \sqsupset \rtimes \doteq
     \sqsubseteq \sqsupseteq \smile \propto \dashv \vdash \frown
     \models \in \ni \notin \approxeq \leqq \geqq \lessgtr \leqslant
     \geqslant \lesseqgtr \backsim \lessapprox \gtrapprox \lesseqqgtr
     \backsimeq \lll \ggg \gtreqqless \triangleq \lessdot \gtrdot
     \gtreqless \circeq \lesssim \gtrsim \gtrless \bumpeq \eqslantless
     \eqslantgtr \backepsilon \Bumpeq \precsim \succsim \between
     \doteqdot \precapprox \succapprox \pitchfork \Subset \Supset
     \fallingdotseq \subseteqq \supseteqq \risingdotseq \sqsubset
     \sqsupset \varpropto \preccurlyeq \succcurlyeq \Vdash \therefore
     \curlyeqprec \curlyeqsucc \vDash \because \blacktriangleleft
     \blacktriangleright \Vvdash \eqcirc \trianglelefteq
     \trianglerighteq \neq \vartriangleleft \vartriangleright \ncong
     \nleq \ngeq \nsubseteq \nmid \nsupseteq \nparallel \nless \ngtr
     \nprec \nsucc \subsetneq \nsim \supsetneq \nVDash \precnapprox
     \succnapprox \subsetneqq \nvDash \precnsim \succnsim \supsetneqq
     \nvdash \lnapprox \gnapprox \ntriangleleft \ntrianglelefteq
     \lneqq \gneqq \ntriangleright \lnsim \gnsim \ntrianglerighteq
     \coloneq \eqsim \nequiv \napprox \nsupset \doublebarwedge \nVdash
     \Doteq \nsubset \eqcolon \ne
     """],
    ["Arrow symbols",
     2,
     r"""\leftarrow \longleftarrow \uparrow \Leftarrow \Longleftarrow
     \Uparrow \rightarrow \longrightarrow \downarrow \Rightarrow
     \Longrightarrow \Downarrow \leftrightarrow \updownarrow
     \longleftrightarrow \updownarrow \Leftrightarrow
     \Longleftrightarrow \Updownarrow \mapsto \longmapsto \nearrow
     \hookleftarrow \hookrightarrow \searrow \leftharpoonup
     \rightharpoonup \swarrow \leftharpoondown \rightharpoondown
     \nwarrow \rightleftharpoons \leadsto \dashrightarrow
     \dashleftarrow \leftleftarrows \leftrightarrows \Lleftarrow
     \Rrightarrow \twoheadleftarrow \leftarrowtail \looparrowleft
     \leftrightharpoons \curvearrowleft \circlearrowleft \Lsh
     \upuparrows \upharpoonleft \downharpoonleft \multimap
     \leftrightsquigarrow \rightrightarrows \rightleftarrows
     \rightrightarrows \rightleftarrows \twoheadrightarrow
     \rightarrowtail \looparrowright \rightleftharpoons
     \curvearrowright \circlearrowright \Rsh \downdownarrows
     \upharpoonright \downharpoonright \rightsquigarrow \nleftarrow
     \nrightarrow \nLeftarrow \nRightarrow \nleftrightarrow
     \nLeftrightarrow \to \Swarrow \Searrow \Nwarrow \Nearrow
     \leftsquigarrow
     """],
    ["Miscellaneous symbols",
     3,
     r"""\neg \infty \forall \wp \exists \bigstar \angle \partial
     \nexists \measuredangle \eth \emptyset \sphericalangle \clubsuit
     \varnothing \complement \diamondsuit \imath \Finv \triangledown
     \heartsuit \jmath \Game \spadesuit \ell \hbar \vartriangle \cdots
     \hslash \vdots \blacksquare \ldots \blacktriangle \ddots \sharp
     \prime \blacktriangledown \Im \flat \backprime \Re \natural
     \circledS \P \copyright \ss \circledR \S \yen \AA \checkmark \$
     \iiint \iint \iint \oiiint"""]
]

def run(state_machine):
    def get_n(n, l):
        part = []
        for x in l:
            part.append(x)
            if len(part) == n:
                yield part
                part = []
        yield part

    lines = []
    for category, columns, syms in symbols:
        syms = syms.split()
        syms.sort()
        lines.append("**%s**" % category)
        lines.append('')
        max_width = 0
        for sym in syms:
            max_width = max(max_width, len(sym))
        max_width = max_width * 2 + 16
        header = "    " + (('=' * max_width) + ' ') * columns
        format = '%%%ds' % max_width
        for chunk in get_n(20, get_n(columns, syms)):
            lines.append(header)
            for part in chunk:
                line = []
                for sym in part:
                    line.append(format % (":math:`%s` ``%s``" % (sym, sym)))
                lines.append("    " + " ".join(line))
            lines.append(header)
            lines.append('')

    state_machine.insert_input(lines, "Symbol table")
    return []

try:
    from docutils.parsers.rst import Directive
except ImportError:
    from docutils.parsers.rst.directives import _directives
    def math_symbol_table_directive(name, arguments, options, content, lineno,
                                    content_offset, block_text, state, state_machine):
        return run(state_machine)
    math_symbol_table_directive.arguments = None
    math_symbol_table_directive.options = {}
    math_symbol_table_directive.content = False
    _directives['math_symbol_table'] = math_symbol_table_directive
else:
    class math_symbol_table_directive(Directive):
        has_content = False
        def run(self):
            return run(self.state_machine)
    from docutils.parsers.rst import directives
    directives.register_directive('math_symbol_table',
                                  math_symbol_table_directive)

if __name__ == "__main__":
    # Do some verification of the tables
    from matplotlib import _mathtext_data

    print "SYMBOLS NOT IN STIX:"
    all_symbols = {}
    for category, columns, syms in symbols:
        if category == "Standard Function Names":
            continue
        syms = syms.split()
        for sym in syms:
            if len(sym) > 1:
                all_symbols[sym[1:]] = None
                if sym[1:] not in _mathtext_data.tex2uni:
                    print sym

    print "SYMBOLS NOT IN TABLE:"
    for sym in _mathtext_data.tex2uni:
        if sym not in all_symbols:
            print sym

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