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%%
%% This is file `l3intexpr.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3intexpr.dtx (with options: `package,trace')
%%
%%
%% EXPERIMENTAL CODE
%%
%% Do not distribute this file without also distributing the
%% source files specified above.
%%
%% Do not distribute a modified version of this file.
%%
%%
%% File: l3intexpr.dtx Copyright (C) 2009 LaTeX3 project
%%
%% It may be distributed and/or modified under the conditions of the
%% LaTeX Project Public License (LPPL), either version 1.3c of this
%% license or (at your option) any later version. The latest version
%% of this license is in the file
%%
%% http://www.latex-project.org/lppl.txt
%%
%% This file is part of the ``expl3 bundle'' (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% The released version of this bundle is available from CTAN.
%%
%% -----------------------------------------------------------------------
%%
%% The development version of the bundle can be found at
%%
%% http://www.latex-project.org/svnroot/experimental/trunk/
%%
%% for those people who are interested.
%%
%%%%%%%%%%%
%% NOTE: %%
%%%%%%%%%%%
%%
%% Snapshots taken from the repository represent work in progress and may
%% not work or may contain conflicting material! We therefore ask
%% people _not_ to put them into distributions, archives, etc. without
%% prior consultation with the LaTeX Project Team.
%%
%% -----------------------------------------------------------------------
\RequirePackage{l3names}
\GetIdInfo$Id: l3intexpr.dtx 1086 2009-03-20 19:29:35Z morten $
{L3 Integer Expressions}
\ProvidesExplPackage
{\filename}{\filedate}{\fileversion}{\filedescription}
\package_check_loaded_expl:
\cs_set_eq:NN \intexpr_value:w \tex_number:D
\cs_set_eq:NN \intexpr_eval:w \etex_numexpr:D
\cs_set_protected:Npn \intexpr_eval_end: {\tex_relax:D}
\cs_set_eq:NN \if_intexpr_compare:w \tex_ifnum:D
\cs_set_eq:NN \if_intexpr_odd:w \tex_ifodd:D
\cs_set_eq:NN \if_intexpr_case:w \tex_ifcase:D
\cs_set:Npn \intexpr_eval:n #1{
\intexpr_value:w \intexpr_eval:w #1\intexpr_eval_end:
}
\prg_set_conditional:Npnn \intexpr_compare:n #1{p,TF,T,F}{
\exp_after:wN \intexpr_compare_auxi:w \intexpr_value:w
\intexpr_eval:w #1\q_stop
}
\cs_set:Npn \intexpr_compare_auxi:w #1#2\q_stop{
\exp_after:wN \intexpr_compare_auxii:w \tex_romannumeral:D
\if:w #1- \else: -\fi: #1#2 \q_stop #1#2 \q_nil
}
\cs_set:Npn \intexpr_compare_auxii:w #1#2#3\q_stop{
\use:c{
intexpr_compare_
#1 \if_meaning:w =#2 = \fi:
:w}
}
\cs_set:cpn {intexpr_compare_=:w} #1=#2\q_nil{
\if_intexpr_compare:w #1=\intexpr_eval:w #2 \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\cs_set:cpn {intexpr_compare_==:w} #1==#2\q_nil{
\if_intexpr_compare:w #1=\intexpr_eval:w #2 \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\cs_set:cpn {intexpr_compare_!=:w} #1!=#2\q_nil{
\if_intexpr_compare:w #1=\intexpr_eval:w #2 \intexpr_eval_end:
\prg_return_false: \else: \prg_return_true: \fi:
}
\cs_set:cpn {intexpr_compare_<:w} #1<#2\q_nil{
\if_intexpr_compare:w #1<\intexpr_eval:w #2 \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\cs_set:cpn {intexpr_compare_>:w} #1>#2\q_nil{
\if_intexpr_compare:w #1>\intexpr_eval:w #2 \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\cs_set:cpn {intexpr_compare_<=:w} #1<=#2\q_nil{
\if_intexpr_compare:w #1<\intexpr_eval:w #2 +\c_one \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\cs_set:cpn {intexpr_compare_>=:w} #1>=#2\q_nil{
\if_intexpr_compare:w #1>\intexpr_eval:w #2 - \c_one \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\prg_set_conditional:Npnn \intexpr_compare:nNn #1#2#3{p,TF,T,F}{
\if_intexpr_compare:w \intexpr_eval:w #1 #2 \intexpr_eval:w #3 \intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\cs_set:Npn \intexpr_abs:n #1{
\intexpr_value:w
\if_intexpr_compare:w \intexpr_eval:w #1<\c_zero
-
\fi:
\intexpr_eval:w #1\intexpr_eval_end:
}
\cs_set:Npn \intexpr_max:nn #1#2{
\intexpr_value:w \intexpr_eval:w
\if_intexpr_compare:w
\intexpr_eval:w #1>\intexpr_eval:w #2\intexpr_eval_end:
#1
\else:
#2
\fi:
\intexpr_eval_end:
}
\cs_set:Npn \intexpr_min:nn #1#2{
\intexpr_value:w \intexpr_eval:w
\if_intexpr_compare:w
\intexpr_eval:w #1<\intexpr_eval:w #2\intexpr_eval_end:
#1
\else:
#2
\fi:
\intexpr_eval_end:
}
\cs_set:Npn \intexpr_div_truncate:nn #1#2 {
\intexpr_value:w \intexpr_eval:w
\if_intexpr_compare:w \intexpr_eval:w #1 = \c_zero
0
\else:
(#1
\if_intexpr_compare:w \intexpr_eval:w #1 < \c_zero
\if_intexpr_compare:w \intexpr_eval:w #2 < \c_zero
-( #2 +
\else:
+( #2 -
\fi:
\else:
\if_intexpr_compare:w \intexpr_eval:w #2 < \c_zero
+( #2 +
\else:
-( #2 -
\fi:
\fi:
1)/2)
\fi:
/(#2)
\intexpr_eval_end:
}
\cs_set:Npn \intexpr_div_round:nn #1#2 {\intexpr_eval:n{(#1)/(#2)}}
\cs_set:Npn \intexpr_mod:nn #1#2 {
\intexpr_value:w
\intexpr_eval:w
#1 - \intexpr_div_truncate:nn {#1}{#2} * (#2)
\intexpr_eval_end:
}
\prg_set_conditional:Npnn \intexpr_if_odd:n #1 {p,TF,T,F} {
\if_intexpr_odd:w \intexpr_eval:w #1\intexpr_eval_end:
\prg_return_true: \else: \prg_return_false: \fi:
}
\prg_set_conditional:Npnn \intexpr_if_even:n #1 {p,TF,T,F} {
\if_intexpr_odd:w \intexpr_eval:w #1\intexpr_eval_end:
\prg_return_false: \else: \prg_return_true: \fi:
}
\cs_set:Npn \intexpr_while_do:nn #1#2{
\intexpr_compare:nT {#1}{#2 \intexpr_while_do:nn {#1}{#2}}
}
\cs_set:Npn \intexpr_until_do:nn #1#2{
\intexpr_compare:nF {#1}{#2 \intexpr_until_do:nn {#1}{#2}}
}
\cs_set:Npn \intexpr_do_while:nn #1#2{
#2 \intexpr_compare:nT {#1}{\intexpr_do_while:nNnn {#1}{#2}}
}
\cs_set:Npn \intexpr_do_until:nn #1#2{
#2 \intexpr_compare:nF {#1}{\intexpr_do_until:nn {#1}{#2}}
}
\cs_set:Npn \intexpr_while_do:nNnn #1#2#3#4{
\intexpr_compare:nNnT {#1}#2{#3}{#4 \intexpr_while_do:nNnn {#1}#2{#3}{#4}}
}
\cs_set:Npn \intexpr_until_do:nNnn #1#2#3#4{
\intexpr_compare:nNnF {#1}#2{#3}{#4 \intexpr_until_do:nNnn {#1}#2{#3}{#4}}
}
\cs_set:Npn \intexpr_do_while:nNnn #1#2#3#4{
#4 \intexpr_compare:nNnT {#1}#2{#3}{\intexpr_do_while:nNnn {#1}#2{#3}{#4}}
}
\cs_set:Npn \intexpr_do_until:nNnn #1#2#3#4{
#4 \intexpr_compare:nNnF {#1}#2{#3}{\intexpr_do_until:nNnn {#1}#2{#3}{#4}}
}
%%
%%
%% End of file `l3intexpr.sty'.
|
