- Added relational algebra package.

nigel.stanger / LaTeX

Browse code - Added relational algebra package. master
1 parent dbfd0a6 commit e79329540fb56945b40cc9b5cd637e0b45acb982 nstanger authored on 4 Mar 2004

Patch

Showing 2 changed files

Ignore Space Show notes View Makefile
################################################################################ # # File: $Source$ # # $Id$ # ################################################################################ SHELL = /bin/sh # Depending on the permissions of your TEXMF directory, you may need to # do a 'sudo make install' # Set this to whatever it should be, e.g., /usr/local/texmf or whatever. # Probably better to install these in your own personal TEXMF tree so that # they don't get wiped out by updates. # TEXMF_INSTALL = LATEX = $(TEXMF_INSTALL)/tex/latex install: @mkdir -p $(LATEX)/beamer cp beamerthemeotago.sty $(LATEX)/beamer @mkdir -p $(LATEX)/listings cp lstlang.sty $(LATEX)/listings @mkdir -p $(LATEX)/local cp lecturefig.cls relalg.sty $(LATEX)/local @texhash ################################################################################ # # File: $Source$ # # $Id$ # ################################################################################ SHELL = /bin/sh # Depending on the permissions of your TEXMF directory, you may need to # do a 'sudo make install' # Set this to whatever it should be, e.g., /usr/local/texmf or whatever. # Probably better to install these in your own personal TEXMF tree so that # they don't get wiped out by updates. # TEXMF_INSTALL = LATEX = $(TEXMF_INSTALL)/tex/latex install: @mkdir -p $(LATEX)/beamer cp beamerthemeotago.sty $(LATEX)/beamer @mkdir -p $(LATEX)/listings cp lstlang.sty $(LATEX)/listings @mkdir -p $(LATEX)/local cp lecturefig.cls $(LATEX)/local @texhash

Ignore Space Show notes View

Makefile

Ignore Space Show notes View relalg.sty 0 → 100755
\NeedsTeXFormat{LaTeX2e}[2001/06/01] \ProvidesPackage{relalg}[2002/07/29 Relational algebra notation] \RequirePackage{latexsym} \RequirePackage{graphics} % Graphics is needed so that we can scale the size of a couple of operators. % BASIC OPERATORS % select or restrict operator \newcommand{\Select}{\ensuremath{\sigma}} \newcommand{\Restrict}{\ensuremath{\sigma}} % project operator \newcommand{\Project}{\ensuremath{\pi}} % set union operator \newcommand{\Union}{\ensuremath{\cup}} % set difference operator \newcommand{\Difference}{\ensuremath{-}} % cartesian product operator \newcommand{\Product}{\ensuremath{\times}} % rename operator \newcommand{\Rename}{\ensuremath{\rho}} % ADDITIONAL OPERATORS % set intersection operator \newcommand{\Intersection}{\ensuremath{\cap}} \newcommand{\Intersect}{\ensuremath{\cap}} % natural join operator \newcommand{\NaturalJoin}{\ensuremath{\Join}} \newcommand{\NatJoin}{\ensuremath{\Join}} \newcommand{\NJoin}{\ensuremath{\Join}} % division operators \newcommand{\Divide}{\ensuremath{/}} \newcommand{\AltDivide}{\ensuremath{\div}} % assignment operator \newcommand{\Assign}{\ensuremath{\leftarrow}} % EXTENDED OPERATORS % aggregate functions \newcommand{\Sum}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{sum}}(#1)}}} \newcommand{\Avg}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{avg}}(#1)}}} \newcommand{\Min}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{min}}(#1)}}} \newcommand{\Max}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{max}}(#1)}}} \newcommand{\Count}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{count}}(#1)}}} % outer join operators % Note: can't use \ensuremath in these because it screws up the spacing. % The $ are OK though because they're used inside hboxes anyway. \newcommand{\LeftOuterJoin}{\scalebox{0.5}[1]{$\sqsupset$}\mkern-2.5mu\lower0.1em\hbox{$\Join$}} \newcommand{\LOuterJoin}{\LeftOuterJoin} \newcommand{\LeftOuter}{\LeftOuterJoin} \newcommand{\LOJ}{\LeftOuterJoin} \newcommand{\RightOuterJoin}{\lower0.1em\hbox{$\Join$}\mkern-2.5mu\scalebox{0.5}[1]{$\sqsubset$}} \newcommand{\ROuterJoin}{\RightOuterJoin} \newcommand{\RightOuter}{\RightOuterJoin} \newcommand{\ROJ}{\RightOuterJoin} \newcommand{\FullOuterJoin}{\scalebox{0.5}[1]{$\sqsupset$}\mkern-2.5mu\lower0.1em\hbox{$\Join$}\mkern-2.5mu\scalebox{0.5}[1]{$\sqsubset$}} \newcommand{\FOuterJoin}{\FullOuterJoin} \newcommand{\FullOuter}{\FullOuterJoin} \newcommand{\FOJ}{\FullOuterJoin} % MISCELLANEOUS % logical operators \newcommand{\And}{\ensuremath{\wedge}} \newcommand{\Or}{\ensuremath{\vee}} \newcommand{\Not}{\ensuremath{\neg}} \endinput

Ignore Space Show notes View

relalg.sty 0 → 100755

\NeedsTeXFormat{LaTeX2e}[2001/06/01]
\ProvidesPackage{relalg}[2002/07/29 Relational algebra notation]

\RequirePackage{latexsym}
\RequirePackage{graphics}
% Graphics is needed so that we can scale the size of a couple of operators.

% BASIC OPERATORS

% select or restrict operator
\newcommand{\Select}{\ensuremath{\sigma}}
\newcommand{\Restrict}{\ensuremath{\sigma}}

% project operator
\newcommand{\Project}{\ensuremath{\pi}}

% set union operator
\newcommand{\Union}{\ensuremath{\cup}}

% set difference operator
\newcommand{\Difference}{\ensuremath{-}}

% cartesian product operator
\newcommand{\Product}{\ensuremath{\times}}

% rename operator
\newcommand{\Rename}{\ensuremath{\rho}}

% ADDITIONAL OPERATORS

% set intersection operator
\newcommand{\Intersection}{\ensuremath{\cap}}
\newcommand{\Intersect}{\ensuremath{\cap}}

% natural join operator
\newcommand{\NaturalJoin}{\ensuremath{\Join}}
\newcommand{\NatJoin}{\ensuremath{\Join}}
\newcommand{\NJoin}{\ensuremath{\Join}}

% division operators
\newcommand{\Divide}{\ensuremath{/}}
\newcommand{\AltDivide}{\ensuremath{\div}}

% assignment operator
\newcommand{\Assign}{\ensuremath{\leftarrow}}

% EXTENDED OPERATORS

% aggregate functions
\newcommand{\Sum}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{sum}}(#1)}}}
\newcommand{\Avg}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{avg}}(#1)}}}
\newcommand{\Min}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{min}}(#1)}}}
\newcommand{\Max}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{max}}(#1)}}}
\newcommand{\Count}[1]{\ensuremath{\mathcal{G}_{\mathbf{\mathrm{count}}(#1)}}}

% outer join operators
% Note: can't use \ensuremath in these because it screws up the spacing.
% The $ are OK though because they're used inside hboxes anyway.

\newcommand{\LeftOuterJoin}{\scalebox{0.5}[1]{$\sqsupset$}\mkern-2.5mu\lower0.1em\hbox{$\Join$}}
\newcommand{\LOuterJoin}{\LeftOuterJoin}
\newcommand{\LeftOuter}{\LeftOuterJoin}
\newcommand{\LOJ}{\LeftOuterJoin}

\newcommand{\RightOuterJoin}{\lower0.1em\hbox{$\Join$}\mkern-2.5mu\scalebox{0.5}[1]{$\sqsubset$}}
\newcommand{\ROuterJoin}{\RightOuterJoin}
\newcommand{\RightOuter}{\RightOuterJoin}
\newcommand{\ROJ}{\RightOuterJoin}

\newcommand{\FullOuterJoin}{\scalebox{0.5}[1]{$\sqsupset$}\mkern-2.5mu\lower0.1em\hbox{$\Join$}\mkern-2.5mu\scalebox{0.5}[1]{$\sqsubset$}}
\newcommand{\FOuterJoin}{\FullOuterJoin}
\newcommand{\FullOuter}{\FullOuterJoin}
\newcommand{\FOJ}{\FullOuterJoin}

% MISCELLANEOUS

% logical operators
\newcommand{\And}{\ensuremath{\wedge}}
\newcommand{\Or}{\ensuremath{\vee}}
\newcommand{\Not}{\ensuremath{\neg}}

\endinput

Show line notes below