<commit_before>Signum
===

> [Signum][signum] function.

<!-- <intro> -->
The [signum][signum] function is defined as

<!-- <equation class="equation" label="eq:signum_function" align="center" raw="\operatorname{sign}(x) := \begin{cases} -1 &amp; \textrm{if}\ x < 0 \\ 0 &amp; \textrm{if}\ x = 0 \\ 1 &amp; \textrm{if}\ x > 0 \end{cases}" alt="Signum function definition."> -->
<div class="equation" align="center" data-raw-text="\operatorname{sign}(x) := \begin{cases} -1 &amp; \textrm{if}\ x < 0 \\ 0 &amp; \textrm{if}\ x = 0 \\ 1 &amp; \textrm{if}\ x > 0 \end{cases}" data-equation="eq:signum_function">
	<img src="https://cdn.rawgit.com/math-io/signum/ec73644e91efe6a321261458c55bbd727bb6b38d/docs/img/eqn.svg" alt="Signum function definition.">
	<br>
</div>
<!-- </equation> --><commit_msg>Exchange svg link in signum README<commit_after>Signum
===

> [Signum][signum] function.

<!-- <intro> -->
The [signum][signum] function is defined as

<!-- <equation class="equation" label="eq:signum_function" align="center" raw="\operatorname{sign}(x) := \begin{cases} -1 &amp; \textrm{if}\ x < 0 \\ 0 &amp; \textrm{if}\ x = 0 \\ 1 &amp; \textrm{if}\ x > 0 \end{cases}" alt="Signum function definition."> -->
<div class="equation" align="center" data-raw-text="\operatorname{sign}(x) := \begin{cases} -1 &amp; \textrm{if}\ x < 0 \\ 0 &amp; \textrm{if}\ x = 0 \\ 1 &amp; \textrm{if}\ x > 0 \end{cases}" data-equation="eq:signum_function">
	<img src="https://cdn.rawgit.com/stdlib-js/stdlib/b5e6052ea06895e0df3a7e87773a1b10c909fdae/lib/node_modules/%40stdlib/math/base/special/signum/docs/img/eqn.svg" alt="Signum function definition.">
	<br>
</div>
<!-- </equation> -->
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