\RequirePackage[T1]{fontenc}
\RequirePackage[utf8]{inputenc}
\RequirePackage{amsmath}
\RequirePackage{amssymb}
\RequirePackage{amsfonts}
\RequirePackage{amssymb}
\RequirePackage{amsthm}

\RequirePackage[style=numeric-comp,%
sorting=none,%
maxbibnames=3,%
minbibnames=3,%
maxcitenames=1,%
mincitenames=1,%
isbn=false,%
url=false,%
doi=false,%
eprint=false,%
related=false]{biblatex}
\renewbibmacro{in:}{}

\RequirePackage[labelfont={rm},labelformat=parens,format=hang,parskip=5pt]{subfig}
\RequirePackage[textfont={normalfont}, labelfont={sc,bf}, labelsep=period, parskip=1pt, aboveskip=5pt,
indention=18pt]{caption}
%\RequirePackage[textfont={normalfont}, labelfont={sc,bf}, labelsep=period, parskip=1pt, aboveskip=5pt,
%indention=18pt]{caption}

\RequirePackage{supertabular}
\RequirePackage{longtable}
\RequirePackage{booktabs}
\RequirePackage{multirow}
\RequirePackage[section]{placeins}
\RequirePackage{graphicx}
\RequirePackage{multicol}
\RequirePackage{xcolor}
% colors
\definecolor{red}{rgb}{1,0,0}

\RequirePackage{verbatim}
\RequirePackage{shortvrb} % using \MakeShortVerb{\|} and \DeleteShortVerb{\|} you can define a new verbatim
                          % environment setter

\RequirePackage{geometry}
\geometry{
  a4paper,
  total={150mm,240mm},
  left=20mm,
  %top=20mm,
}
\parskip=1mm
%\parindent=0mm
\usepackage{setspace}

\RequirePackage[all]{xy}

\RequirePackage{tcolorbox}

% encabezados
\RequirePackage{fancyhdr}
\pagestyle{fancy}
\renewcommand{\headrulewidth}{0.4pt}
\fancyhf{}
\fancyhead[RO,LE]{\thepage}
\fancyhead[LO]{\nouppercase{\rightmark}}	% Estilo: 1.3. Seccion primera
\fancyhead[RE]{\nouppercase{\leftmark}}	        % Estilo: Capitulo 1. Primer Capitulo

% settings
\RequirePackage{kantlipsum}
\RequirePackage{appendix}
%\RequirePackage[none]{hyphenat} %para que justifique el texto, ademas hay que agregar \sloppy luego del \begin{document}

% font
%\RequirePackage[bitstream-charter]{mathdesign}
%\RequirePackage{kpfonts}

\RequirePackage{varioref}
%\labelformat{section}{secci{\'o}n~#1}
%\labelformat{subsection}{secci{\'o}n~#1}
%\labelformat{equation}{(#1)}
%\labelformat{figure}{f\/igura~#1}
%\labelformat{table}{tabla~#1}
% Para modificar el separador de caption, ie. Figura 1. en lugar de Figura 1:

\RequirePackage[breaklinks, colorlinks=true, pdfstartview=FitV, linkcolor=black, citecolor=black,
urlcolor=black]{hyperref}
% \renewcommand*{\backref}[1]{}
% \renewcommand*{\backrefalt}[4]{
% 	\ifcase #1 (No citado.)
% 	\or (Citado en página~#2.)
% 	\else (Citado en páginas #2.)
% 	\fi%
% }
% \renewcommand*{\backrefsep}{, }
% \renewcommand*{\backreftwosep}{ y~}
% \renewcommand*{\backreflastsep}{ y~}

% to define depth of section in TOC
%\setcounter{secnumdepth}{3} % para que ponga 1.1.1.1.
%\setcounter{tocdepth}{4} % para que añadir las secciones en el índice

% available levels
% -1 = partes
%0 = capítulos
%1 = secciones
%2 = subsecciones
%3 = subsubsecciones
%4 = párrafos
%--------------------------------------------------------------------------------------

% some defined commands
\newcommand{\R}{\mathbb{R}}
\newcommand{\Z}{\mathbb{Z}}
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\N}{\mathbb{N}}
\newcommand{\I}{\mathbb{I}}
\newcommand{\raya}{\rule{2cm}{0.01cm}\\}
\newcommand{\ds}{\displaystyle}
\newcommand{\sen}{\mathop{\rm sen}\nolimits}
%\newcommand{\tanh}{\mathop{\rm tan}\nolimits}
\newcommand{\senh}{\mathop{\rm senh}\nolimits}
\newcommand{\arcsen}{\mathop{\rm arcsen}\nolimits}
\newcommand{\arcsec}{\mathop{\rm arcsec}\nolimits}
\newcommand{\A}{\,\textup{\r{A}}}
\newcommand{\C}{\,^{\circ}C}
\newcommand{\degree}{\,^{\circ}}
\newcommand{\erfc}{\mathop{\rm erfc}\nolimits}
\newcommand{\erf}{\mathop{\rm erf}\nolimits}
\newcommand{\rb}[1]{\raisebox{-.4ex}[0pt]{#1}}

\RequirePackage{minitoc}

% define white pages after chapters if needed when using openright book option
\makeatletter
\def\cleardoublepage{\clearpage\if@twoside \ifodd\c@page\else
  \hbox{}
  \vspace*{\fill}
  % \begin{center}
  %   Esta página se ha dejado en blanco intencionalmente.
  % \end{center}
  \vspace*{\fill}
  \thispagestyle{empty}
  \newpage
  \if@twocolumn\hbox{}\newpage\fi\fi\fi}
\makeatother