56 lines
1.4 KiB
Plaintext
56 lines
1.4 KiB
Plaintext
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%% Copyright 2021 Ian Jauslin
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%
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%% DLMF package:
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%% cite equations from DLMF
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%%
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%% TeX format
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\NeedsTeXFormat{LaTeX2e}[1995/12/01]
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%% package name
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\ProvidesPackage{dlmf}[2020/05/01]
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%% dependencies
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\RequirePackage{color}
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\RequirePackage{hyperref}
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% get the first two numbers in (a.b.c);
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\def\@sectionnr(#1.#2.#3){#1.#2}
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% get the last number in (a.b.c);
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\def\@eqnr(#1.#2.#3){#3}
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% remove parentheses around argument
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\def\@cleanparentheses(#1){#1}
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%% cite DLMF equation
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\def\dlmfcite#1#2{\leavevmode%
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\let\@dlmfcite@separator\@empty%
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\cite[%
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% loop over ',' separated list
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\@for\@dlmfcite:=#1\do{%
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% put commas between entries
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\@dlmfcite@separator\def\@dlmfcite@separator{,\ }%
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({\color{blue}\href{https://dlmf.nist.gov/\expandafter\@sectionnr\@dlmfcite\#E\expandafter\@eqnr\@dlmfcite}{\expandafter\@cleanparentheses\@dlmfcite}})%
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}%
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]{DLMF#2}%
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}
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%% end
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\endinput
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