scad 1.2.2

A crate for generating OpenSCAD models using rust
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</pre><pre class='rust '>
<span class='doccomment'>/// Asserts approximate equality within a given tolerance of two values with the</span>
<span class='doccomment'>/// `ApproxEq` trait.</span>
<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>assert_approx_eq_eps</span>(
    (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>given</span>: <span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>expected</span>: <span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>eps</span>: <span class='ident'>expr</span>) <span class='op'>=&gt;</span> ({
        <span class='kw'>let</span> <span class='ident'>eps</span> <span class='op'>=</span> <span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>eps</span>);
        <span class='kw'>let</span> (<span class='ident'>given_val</span>, <span class='ident'>expected_val</span>) <span class='op'>=</span> (<span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>given</span>), <span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>expected</span>));
        <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>ApproxEq</span>::<span class='ident'>approx_eq_eps</span>(<span class='ident'>given_val</span>, <span class='ident'>expected_val</span>, <span class='ident'>eps</span>) {
            <span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>&quot;assertion failed: `left ≈ right` (left: `{:?}`, right: `{:?}`, tolerance: `{:?}`)&quot;</span>,
                <span class='op'>*</span><span class='ident'>given_val</span>, <span class='op'>*</span><span class='ident'>expected_val</span>, <span class='op'>*</span><span class='ident'>eps</span>
            )
        }
    })
);

<span class='doccomment'>/// Asserts approximate equality within a given tolerance of two values with the</span>
<span class='doccomment'>/// `ApproxEq` trait, with tolerance specified in ULPs.</span>
<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>assert_approx_eq_ulps</span>(
    (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>given</span>: <span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>expected</span>: <span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>ulps</span>: <span class='ident'>expr</span>) <span class='op'>=&gt;</span> ({
        <span class='kw'>let</span> <span class='ident'>ulps</span> <span class='op'>=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>ulps</span>;
        <span class='kw'>let</span> (<span class='ident'>given_val</span>, <span class='ident'>expected_val</span>) <span class='op'>=</span> (<span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>given</span>), <span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>expected</span>));
        <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>ApproxEq</span>::<span class='ident'>approx_eq_ulps</span>(<span class='ident'>given_val</span>, <span class='ident'>expected_val</span>, <span class='ident'>ulps</span>) {
            <span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>&quot;assertion failed: `left ≈ right` (left: `{:?}`, right: `{:?}`, tolerance: `{:?}`)&quot;</span>,
                <span class='op'>*</span><span class='ident'>given_val</span>, <span class='op'>*</span><span class='ident'>expected_val</span>, <span class='ident'>ulps</span>
            )
        }
    })
);

<span class='doccomment'>/// Asserts approximate equality of two values with the `ApproxEq` trait.</span>
<span class='attribute'>#[<span class='ident'>macro_export</span>]</span>
<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>assert_approx_eq</span>(
    (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>given</span>: <span class='ident'>expr</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>expected</span>: <span class='ident'>expr</span>) <span class='op'>=&gt;</span> ({
        <span class='kw'>let</span> (<span class='ident'>given_val</span>, <span class='ident'>expected_val</span>) <span class='op'>=</span> (<span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>given</span>), <span class='kw-2'>&amp;</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>expected</span>));
        <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>ApproxEq</span>::<span class='ident'>approx_eq</span>(<span class='ident'>given_val</span>, <span class='ident'>expected_val</span>) {
            <span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>&quot;assertion failed: `left ≈ right` (left: `{:?}`, right: `{:?}`, tolerance: `{:?}`)&quot;</span>,
                <span class='op'>*</span><span class='ident'>given_val</span>, <span class='op'>*</span><span class='ident'>expected_val</span>,
                <span class='ident'>ApproxEq</span>::<span class='ident'>approx_epsilon</span>(<span class='prelude-val'>Some</span>(<span class='op'>*</span><span class='ident'>given_val</span>))
            )
        }
    })
);
</pre>
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