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

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[206,224,91.9643,25,31,80.6452,1,1,100,206,224,91.9643,"3f4869857a12db6ea20fc4e6d67feee4e8c90b30","2025-12-02 14:53:18 +0530"]
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[220,238,92.437,25,31,80.6452,1,1,100,220,238,92.437,"42ec9544f048ae235942ea9ced4fabdac841f0ca","2025-12-02 17:04:37 +0530"]

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

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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 2025-12-02T09:24:40.377Z
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</div>
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‎number/float16/base/to-word/index.js.html‎

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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 2025-12-02T09:24:40.377Z
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at 2025-12-02T11:35:53.027Z
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‎number/float16/base/to-word/main.js.html‎

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@@ -447,13 +475,27 @@ <h1><a href="index.html">All files</a> main.js</h1>
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&nbsp;
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var NINF = require( '@stdlib/constants/float16/ninf' );
449477
var PINF = require( '@stdlib/constants/float16/pinf' );
450-
var isnan = require( '@stdlib/assert/is-nan' );
451-
var abs = require( '@stdlib/math/base/special/abs' );
452-
var exponent = require( '@stdlib/number/float64/base/exponent' );
453-
var isNegativeZero = require( '@stdlib/assert/is-negative-zero' );
478+
var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
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var absf = require( '@stdlib/math/base/special/absf' );
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var exponent = require( '@stdlib/number/float32/base/exponent' );
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var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' );
454482
var toWordf = require( '@stdlib/number/float32/base/to-word' );
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&nbsp;
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&nbsp;
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// VARIABLES //
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&nbsp;
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var UINT16_NAN = 0x7E00; // 0x7E00 = 32256 =&gt; 0 11111 1000000000
488+
var UINT16_PINF = 0x7C00; // 0x7C00 = 31744 =&gt; 0 11111 0000000000
489+
var UINT16_NINF = 0xFC00; // 0xFC00 = 64512 =&gt; 1 11111 0000000000
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var UINT16_POSITIVE_ZERO = 0x0000; // 0x0000 = 0 =&gt; 0 00000 0000000000
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var UINT16_NEGATIVE_ZERO = 0x8000; // 0x8000 = 32768 =&gt; 1 00000 0000000000
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var FLOAT32_MANTISSA_MASK = 0x7FFFFF; // 0x7FFFFF = 8388607 =&gt; 0 11111111 11111111111111100000000
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var FLOAT32_IMPLICIT_BIT = 0x800000; // 0x800000 = 8388608 =&gt; 1 00000000 00000000000000000000000
494+
var FLOAT32_SUBNORMAL_STICKY_MASK = 0x1FFF; // 0x1FFF = 8191 =&gt; 0 00111111 11111110000000000000000
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var FLOAT32_STICKY_MASK = 0xFFF; // 0xFFF = 4095 =&gt; 1 11111111 11100000000000000000000
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var MAX_MANTISSA = 0x3FF; // 0x3FF = 1023 =&gt; 0 01111111111 0000000000000000000000000000000000000000000000000000
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&nbsp;
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&nbsp;
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// MAIN //
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&nbsp;
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/**
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var sign;
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&nbsp;
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// Handle special cases
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if ( isnan( x ) ) { // NaN
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return 0x7E00;
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if ( isnanf( x ) ) { // NaN
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return UINT16_NAN;
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}
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if ( x === PINF ) {
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return 0x7C00; // +Infinity
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return UINT16_PINF; // +Infinity
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}
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if ( x === NINF ) {
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return 0xFC00; // -Infinity
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return UINT16_NINF; // -Infinity
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}
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if ( x === 0 ) {
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if ( isNegativeZero( x ) ) {
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return 0x8000;
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if ( isNegativeZerof( x ) ) {
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return UINT16_NEGATIVE_ZERO;
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}
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return 0x0000;
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return UINT16_POSITIVE_ZERO;
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}
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&nbsp;
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if ( x &lt; 0 ) {
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sign = 1;
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} else {
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sign = 0;
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}
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x = abs( x );
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x = absf( x );
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bits = toWordf( x );
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&nbsp;
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mant = bits &amp; 0x7FFFFF; // 23-bit mantissa
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mant = bits &amp; FLOAT32_MANTISSA_MASK; // 23-bit mantissa
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&nbsp;
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// Store unbiased exponent of a 32-bit floating-point number.
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f32Exponent = exponent( x );
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// Handle overflow (infinity in float16)
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if ( f16Exponent &gt;= 31 ) <span class="branch-0 cbranch-no" title="branch not covered" >{</span>
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<span class="cstat-no" title="statement not covered" > if ( sign ) {</span>
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<span class="cstat-no" title="statement not covered" > return 0xFC00; // -Infinity</span>
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<span class="cstat-no" title="statement not covered" > return UINT16_NINF; // -Infinity</span>
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<span class="cstat-no" title="statement not covered" > }</span>
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<span class="cstat-no" title="statement not covered" > return 0x7C00; // +Infinity</span>
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<span class="cstat-no" title="statement not covered" > return UINT16_PINF; // +Infinity</span>
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<span class="cstat-no" title="statement not covered" > }</span>
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&nbsp;
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// Handle underflow (subnormal or zero in float16)
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shift = 1 - f16Exponent;
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// Create an 11-bit mantissa by adding the implicit leading 1 bit and extracting the top 10 bits from mantissa:
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mantissa = ( 0x800000 | mant ) &gt;&gt;&gt; 13;
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mantissa = ( FLOAT32_IMPLICIT_BIT | mant ) &gt;&gt;&gt; 13;
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// Determine the round bit and sticky bits based on the shift amount to apply correct rounding:
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if ( shift &lt; 11 ) {
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// If no sticky bits found in the 11-bit mantissa, check the remaining bits from the original mantissa:
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if ( !stickyBits ) {
549-
stickyBits = ( mant &amp; 0x1FFF ) !== 0;
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stickyBits = ( mant &amp; FLOAT32_SUBNORMAL_STICKY_MASK ) !== 0;
550592
}
551593
}<span class="branch-0 cbranch-no" title="branch not covered" > else {</span>
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<span class="cstat-no" title="statement not covered" > // When the shift is 11 or greater, the round bit comes from original mantissa</span>
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roundBit = ( mant &gt;&gt;&gt; 12 ) &amp; 1;
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&nbsp;
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// Check sticky bits (all bits below bit 12)
577-
stickyBits = ( mant &amp; 0xFFF ) !== 0;
619+
stickyBits = ( mant &amp; FLOAT32_STICKY_MASK ) !== 0;
578620
&nbsp;
579621
// Round up if roundBit is 1 AND (sticky bits OR mantissa is odd)
580622
if ( roundBit &amp;&amp; ( stickyBits <span class="branch-0 cbranch-no" title="branch not covered" >|| ( mantissa &amp; 1 ) </span>) ) {
581623
mantissa += 1;
582624
&nbsp;
583625
// Check for mantissa overflow (carries into exponent)
584-
if ( mantissa &gt; 0x3FF ) {
626+
if ( mantissa &gt; MAX_MANTISSA ) {
585627
f16Exponent += 1;
586628
mantissa = 0;
587629
&nbsp;
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// Check for exponent overflow
589631
if ( f16Exponent &gt;= 31 ) <span class="branch-0 cbranch-no" title="branch not covered" >{</span>
590632
<span class="cstat-no" title="statement not covered" > if ( sign ) {</span>
591-
<span class="cstat-no" title="statement not covered" > return 0xFC00; // -Infinity</span>
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<span class="cstat-no" title="statement not covered" > return UINT16_NINF; // -Infinity</span>
592634
<span class="cstat-no" title="statement not covered" > }</span>
593-
<span class="cstat-no" title="statement not covered" > return 0x7C00; // +Infinity</span>
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<span class="cstat-no" title="statement not covered" > return UINT16_PINF; // +Infinity</span>
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<span class="cstat-no" title="statement not covered" > }</span>
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}
596638
}
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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 2025-12-02T09:24:40.377Z
655+
at 2025-12-02T11:35:53.027Z
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</div>
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<script src="prettify.js"></script>
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<script>

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