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‎number/float64/base/to-float16/coverage.ndjson‎

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[174,176,98.8636,16,18,88.8889,2,2,100,174,176,98.8636,"28af4e7f8f9fca0dc7f6bdcd9ccd7fdb2f1426ab","2025-11-18 02:26:45 -0800"]
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[170,172,98.8372,16,18,88.8889,2,2,100,170,172,98.8372,"41a2e95eb24895c0a08b9ae7d175dbb0200e510e","2025-11-18 02:43:04 -0800"]

‎number/float64/base/to-float16/index.html‎

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<td class="file high" data-value="polyfill.js"><a href="polyfill.js.html">polyfill.js</a></td>
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<div class='footer quiet pad2 space-top1 center small'>
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
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at 2025-11-18T10:27:46.197Z
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</div>
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<script src="../../../../../prettify.js"></script>
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‎number/float64/base/to-float16/index.js.html‎

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&nbsp;
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// MAIN //
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&nbsp;
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var float64ToFloat16;
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var main;
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if ( typeof builtin === 'function' ) {
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float64ToFloat16 = builtin;
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main = builtin;
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} else {
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float64ToFloat16 = polyfill;
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main = polyfill;
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}
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&nbsp;
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&nbsp;
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// EXPORTS //
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&nbsp;
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module.exports = float64ToFloat16;
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module.exports = main;
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&nbsp;</pre></td></tr></table></pre>
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Code coverage generated by
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‎number/float64/base/to-float16/main.js.html‎

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‎number/float64/base/to-float16/polyfill.js.html‎

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// MODULES //
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var abs = require( '@stdlib/math/base/special/abs' );
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var isFiniteNumber = require( '@stdlib/math/base/assert/is-finite' );
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var FLOAT16_EPSILON = require( '@stdlib/constants/float16/eps' );
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var FLOAT16_MAX = require( '@stdlib/constants/float16/max' );
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var FLOAT16_MIN = require( '@stdlib/constants/float16/smallest-normal' );
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var EPS = require( '@stdlib/constants/float64/eps' );
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var PINF = require( '@stdlib/constants/float64/pinf' );
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var abs = require( '@stdlib/math/base/special/abs' );
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&nbsp;
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// VARIABLES //
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var $isFinite = isFinite;
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var inverseEpsilon = 1 / EPS;
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var INVERSE_EPSILON = 1.0 / EPS;
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// FUNCTIONS //
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* @returns {number} rounded value
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*/
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function roundTiesToEven( n ) {
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return ( n + INVERSE_EPSILON ) - INVERSE_EPSILON;
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* // returns 1.3369140625
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*/
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function float64ToFloat16( x ) {
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var result;
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var res;
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var mod;
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var a;
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var s;
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if ( x === 0 || isNaN( x ) || !$isFinite( x ) ) {
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if ( x === 0.0 || isNaN( x ) || !isFiniteNumber( x ) ) {
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return x;
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}
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mod = abs( x );
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if ( mod &lt; FLOAT16_MIN ) {
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return s * roundTiesToEven( mod/FLOAT16_MIN/FLOAT16_EPSILON ) * FLOAT16_MIN * FLOAT16_EPSILON; // eslint-disable-line max-len
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// Veltkamp's splitting
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a = ( 1 + ( FLOAT16_EPSILON / EPS ) ) * mod;
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result = a - ( a - mod );
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if ( result &gt; FLOAT16_MAX || isNaN( result ) ) <span class="branch-0 cbranch-no" title="branch not covered" >{</span>
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// Leverage Veltkamp's algorithm for splitting a number into two numbers to generate an approximation to `x` which fits in a smaller number of bits:
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a = ( 1 + ( FLOAT16_EPSILON/EPS ) ) * mod;
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res = a - ( a - mod );
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if ( res &gt; FLOAT16_MAX || isNaN( res ) ) <span class="branch-0 cbranch-no" title="branch not covered" >{</span>
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<span class="cstat-no" title="statement not covered" > return s * PINF;</span>
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<span class="cstat-no" title="statement not covered" > }</span>
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return s * result;
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return s * res;
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}
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<div class='footer quiet pad2 space-top1 center small'>
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Code coverage generated by
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at 2025-11-18T10:27:46.197Z
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at 2025-11-18T10:44:49.340Z
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</div>
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<script src="../../../../../prettify.js"></script>
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<script>

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