U e»{jíã@sNdZddlZddlZddlmZmZmZGdd„dejƒZ Gdd„de ƒZ dS) z" Handles the "LaTeX" unit format. éNé)ÚbaseÚcoreÚutilsc@sZeZdZdZedd„ƒZedd„ƒZedd„ƒZedd „ƒZed d „ƒZ edd d„ƒZ dS)ÚLatexz¼ Output LaTeX to display the unit based on IAU style guidelines. Attempts to follow the `IAU Style Manual `_. cCs | dd¡S)NÚ_z\_)Úreplace)ÚclsÚname©r úY/var/www/html/bwave/python/venv/lib/python3.8/site-packages/astropy/units/format/latex.pyÚ _latex_escapeszLatex._latex_escapecCs"| d¡}||jkr| |¡S|S)NÚlatex)Zget_format_namer r )r Úunitr r r r Ú_get_unit_names   zLatex._get_unit_namecCslg}|D]X\}}| |¡}|dkr.| |¡qt d|¡rD|jd}| |›dt |¡›d¡qd |¡S)Nrz .*\^{[^}]*}$rz^{Ú}ú\,)rÚappendÚreÚmatchZ short_namesrZ format_powerÚjoin)r ZunitsÚoutZbase_ÚpowerZ base_latexr r r Ú_format_unit_list$s     zLatex._format_unit_listcCsdt |j|j¡\}}t|ƒrRt|ƒr0| |¡}nd}| |¡}d|›d|›d}n| |¡}|}|S)NÚ1z\frac{z}{r)rZget_grouped_by_powersÚbasesÚpowersÚlenr)r rZ positivesZ negativesÚsr r r Ú _format_bases5s   zLatex._format_basescCs’d}t|dƒr|j d¡}|dk r(|}n^t|tjƒrn|jdkrDd}n| |j¡d}t|j ƒr†||  |¡7}nt|tj ƒr†|  |j ¡}d|›dS)NÚ_formatrrÚrz $\mathrm{z}$)Úhasattrr ÚgetÚ isinstancerZ CompositeUnitÚscaleÚformat_exponential_notationrrrZ NamedUnitr r )r rZ latex_namerr r r Ú to_stringFs       zLatex.to_stringú.8gcCsnt |¡rLt ||¡\}}g}|r,| |¡|rB| d|›d¡d |¡St |¡rZdS|dkrfdSdSdS) a Formats a value in exponential notation for LaTeX. Parameters ---------- val : number The value to be formatted format_spec : str, optional Format used to split up mantissa and exponent Returns ------- latex_string : str The value in exponential notation in a format suitable for LaTeX. z10^{rz \times z {\rm NaN}rz\inftyz-\inftyN)ÚnpÚisfiniterZsplit_mantissa_exponentrrÚisnan)r ÚvalÚ format_specÚmÚexÚpartsr r r r&\s    z!Latex.format_exponential_notationN)r() Ú__name__Ú __module__Ú __qualname__Ú__doc__Ú classmethodr rrrr'r&r r r r rs     rc@s eZdZdZdZedd„ƒZdS)Ú LatexInlinea2 Output LaTeX to display the unit based on IAU style guidelines with negative powers. Attempts to follow the `IAU Style Manual `_ and the `ApJ and AJ style guide `_. Z latex_inlinecCs| t|j|jƒ¡S)N)rÚziprr)r rr r r rszLatexInline._format_basesN)r1r2r3r4r r5rr r r r r6ƒs r6) r4rÚnumpyr)r!rrrZBaserr6r r r r Ús u