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#! /usr/bin/env perl
# Convert cmupint.sty to a faked version that does not require
# the definition of any additional math alphabets
#
# By Scott Pakin <scott+clsl@pakin.org>
use warnings;
use strict;
# Read and process cmupint.sty.
my %raw_sym2slot; # Map from a no-limits integral to a font slot
my %sym2slot; # Map from an integral with limits to a font slot
my $provides; # \ProvidesPackage line
while (my $line = <>) {
chomp $line;
if ($line =~ /^\\DeclareMathSymbol\{\\(\w+)\}.*\{(\d+)\}/) {
$raw_sym2slot{$1} = $2 + 0;
}
elsif ($line =~ /^\\def\\(\w+)\{\\relax\\(\w+)/) {
$sym2slot{$1} = $raw_sym2slot{$2};
}
elsif ($line =~ /^\\ProvidesPackage/) {
$provides = $line;
}
}
# Output some header boilerplate.
print "\%" x 43, "\n";
print "\% This is a generated file. DO NOT EDIT. \%\n";
print "\%" x 43, "\n";
print "\n";
print $provides, "\n";
print <<'DEFCMD';
\newcommand*{\cmupintsym}[2]{%
\raisebox{#1}{%
\usefont{U}{cmupint}{m}{n}\selectfont
\char#2%
}%
}
DEFCMD
;
# Define each symbol as a text symbol.
foreach my $sym (sort {$sym2slot{$a} <=> $sym2slot{$b}} keys %sym2slot) {
printf '\DeclareRobustCommand{\CMUP%sT}{\cmupintsym{8pt}{%d}}'."\n", $sym, $sym2slot{$sym};
printf '\DeclareRobustCommand{\CMUP%sD}{\cmupintsym{13pt}{%d}}'."\n", $sym, $sym2slot{$sym} + 1;
}
# \idotsint needs to be constructed manually.
print <<'IDOTSINT';
\DeclareRobustCommand{\CMUPidotsintT}{\CMUPintT$\,\intdots@$\CMUPintT}
\DeclareRobustCommand{\CMUPidotsintD}{\CMUPintD$\,\intdots@$\CMUPintD}
IDOTSINT
;
# Output some header boilerplate.
print "\n";
print "\\endinput\n";
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