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<h1><a href="index.html">All files</a> paeth-predictor.js</h1>
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<span class="strong">100% </span>
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<pre><table class="coverage">
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<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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<a name='L17'></a><a href='#L17'>17</a></td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
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module.exports = function paethPredictor(left, above, upLeft) {
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let paeth = left + above - upLeft;
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let pLeft = Math.abs(paeth - left);
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let pAbove = Math.abs(paeth - above);
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let pUpLeft = Math.abs(paeth - upLeft);
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if (pLeft <= pAbove && pLeft <= pUpLeft) {
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return left;
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}
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if (pAbove <= pUpLeft) {
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return above;
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}
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return upLeft;
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};
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</pre></td></tr></table></pre>
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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at Fri Apr 10 2020 13:53:16 GMT+0200 (Central European Summer Time)
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