# If false, no module index is generated.
#latex_use_modindex = True
-# -- Options for LaTeX intersphinx----------------------------------------------
+# -- Options for intersphinx ---------------------------------------------------
intersphinx_mapping = {'http://docs.python.org/dev': None}
+
+# -- Options for pngmath -------------------------------------------------------
+
+pngmath_latex_preamble = r"""
+\newcommand{\gaussian}{\textrm{gaussian}}
+\newcommand{\rect}{\textrm{rect}}
+\newcommand{\rfft}{\textrm{rfft}}
+\newcommand{\sinc}{\textrm{sinc}}
+"""