multibody_dynamics 0.4.0

Multibody dynamics algorithms in Rust
Documentation 
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</pre><pre class="rust"><code><span class="kw">use </span>std::ops::{Deref, DerefMut};

<span class="kw">use </span><span class="kw">crate</span>::base::coordinates::{X, XY, XYZ, XYZW, XYZWA, XYZWAB};
<span class="kw">use </span><span class="kw">crate</span>::base::Scalar;

<span class="kw">use </span><span class="kw">crate</span>::geometry::Scale;

<span class="comment">/*
 *
 * Give coordinates to Scale{1 .. 6}
 *
 */

</span><span class="macro">macro_rules! </span>deref_impl(
    (<span class="macro-nonterminal">$D</span>: expr, <span class="macro-nonterminal">$Target</span>: ident $(, <span class="macro-nonterminal">$comps</span>: ident)<span class="kw-2">*</span>) =&gt; {
        <span class="kw">impl</span>&lt;T: Scalar&gt; Deref <span class="kw">for </span>Scale&lt;T, <span class="macro-nonterminal">$D</span>&gt; {
            <span class="kw">type </span>Target = <span class="macro-nonterminal">$Target</span>&lt;T&gt;;

            <span class="attr">#[inline]
            </span><span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Target {
                <span class="self">self</span>.vector.deref()
            }
        }

        <span class="kw">impl</span>&lt;T: Scalar&gt; DerefMut <span class="kw">for </span>Scale&lt;T, <span class="macro-nonterminal">$D</span>&gt; {
            <span class="attr">#[inline]
            </span><span class="kw">fn </span>deref_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span><span class="self">Self</span>::Target {
                <span class="self">self</span>.vector.deref_mut()
            }
        }
    }
);

<span class="macro">deref_impl!</span>(<span class="number">1</span>, X, x);
<span class="macro">deref_impl!</span>(<span class="number">2</span>, XY, x, y);
<span class="macro">deref_impl!</span>(<span class="number">3</span>, XYZ, x, y, z);
<span class="macro">deref_impl!</span>(<span class="number">4</span>, XYZW, x, y, z, w);
<span class="macro">deref_impl!</span>(<span class="number">5</span>, XYZWA, x, y, z, w, a);
<span class="macro">deref_impl!</span>(<span class="number">6</span>, XYZWAB, x, y, z, w, a, b);
</code></pre></div>
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