Feat: add tex snippets

files/dotfiles/ultisnips/tex.snippets

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+# A valid snippet should starts with:
+#
+#		snippet trigger_word [ "description" [ options ] ]
+#
+# and end with:
+#
+#		endsnippet
+#
+# Snippet options:
+#
+#		b - Beginning of line.
+#		i - In-word expansion.
+#		w - Word boundary.
+#		r - Regular expression
+#		e - Custom context snippet
+#		A - Snippet will be triggered automatically, when condition matches.
+#
+# Basic example:
+#
+#		snippet emitter "emitter properties" b
+#		private readonly ${1} = new Emitter<$2>()
+#		public readonly ${1/^_(.*)/$1/}: Event<$2> = this.$1.event
+#		endsnippet
+#
+# Online reference: https://github.com/SirVer/ultisnips/blob/master/doc/UltiSnips.txt
+
+snippet signe "tableau de signes avec tikz"
+\begin{tikzpicture}[baseline=(a.north)]
+	\tkzTabInit[lgt=2,espcl=2]{$ ${1:variable} $/1,$ ${2:function} $/2}{${3:start}, ${4:zeros}, ${5:end} }
+	\tkzTabLine{, ${6:signe and zeros} , }
+\end{tikzpicture}
+endsnippet
+
+snippet varia "tableau de variations avec tikz"
+\begin{tikzpicture}[baseline=(a.north)]
+	\tkzTabInit[lgt=3,espcl=3]{$ ${1:variable} $/1, $ ${2:fonction} $/2}{${3: valeurs notables} }
+	\tkzTabVar{ ${4:signe/element ou signe*2 /element G/ element D}}
+\end{tikzpicture}
+endsnippet
+
+snippet graph "Graphique avec tikz" b
+\begin{tikzpicture}[baseline=(a.north), xscale=1, yscale=1]
+	\tkzInit[xmin=-5,xmax=5,xstep=1,
+	ymin=-5,ymax=5,ystep=1]
+	\tkzGrid
+	\tkzAxeXY
+	\tkzFct[domain=-5:5,color=red,very thick]%
+	{ ${1:fonction} };
+\end{tikzpicture}
+endsnippet
+
+