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<div class="category"><a href="index.html" title="CUDA Math API">CUDA Math API</a></div>
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<div class="section-link"><a href="modules.html#modules">1. Modules</a></div>
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<li>
<div class="section-link"><a href="group__CUDA__MATH__INTRINSIC__HALF.html#group__CUDA__MATH__INTRINSIC__HALF">1.1. Half Precision Intrinsics</a></div>
<ul>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF__ARITHMETIC.html#group__CUDA__MATH____HALF__ARITHMETIC">1.1.1. Half Arithmetic Functions</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF2__ARITHMETIC.html#group__CUDA__MATH____HALF2__ARITHMETIC">1.1.2. Half2 Arithmetic Functions</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF__COMPARISON.html#group__CUDA__MATH____HALF__COMPARISON">1.1.3. Half Comparison Functions</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF2__COMPARISON.html#group__CUDA__MATH____HALF2__COMPARISON">1.1.4. Half2 Comparison Functions</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF__MISC.html#group__CUDA__MATH____HALF__MISC">1.1.5. Half Precision Conversion And Data Movement</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF__FUNCTIONS.html#group__CUDA__MATH____HALF__FUNCTIONS">1.1.6. Half Math Functions</a></div>
</li>
<li>
<div class="section-link"><a href="group__CUDA__MATH____HALF2__FUNCTIONS.html#group__CUDA__MATH____HALF2__FUNCTIONS">1.1.7. Half2 Math Functions</a></div>
</li>
</ul>
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<li>
<div class="section-link"><a href="group__CUDA__MATH.html#group__CUDA__MATH">1.2. Mathematical Functions</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__SINGLE.html#group__CUDA__MATH__SINGLE">1.3. Single Precision Mathematical Functions</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__DOUBLE.html#group__CUDA__MATH__DOUBLE">1.4. Double Precision Mathematical Functions</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__INTRINSIC__SINGLE.html#group__CUDA__MATH__INTRINSIC__SINGLE">1.5. Single Precision Intrinsics</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__INTRINSIC__DOUBLE.html#group__CUDA__MATH__INTRINSIC__DOUBLE">1.6. Double Precision Intrinsics</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__INTRINSIC__INT.html#group__CUDA__MATH__INTRINSIC__INT">1.7. Integer Intrinsics</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__INTRINSIC__CAST.html#group__CUDA__MATH__INTRINSIC__CAST">1.8. Type Casting Intrinsics</a></div>
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<div class="section-link"><a href="group__CUDA__MATH__INTRINSIC__SIMD.html#group__CUDA__MATH__INTRINSIC__SIMD">1.9. SIMD Intrinsics</a></div>
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<div id="release-info">CUDA Math API
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<article id="contents">
<div class="topic reference apiRef apiPackage cppModule" id="group__CUDA__MATH____HALF__FUNCTIONS"><a name="group__CUDA__MATH____HALF__FUNCTIONS" shape="rect">
<!-- --></a><h2 class="topictitle2 cppModule">1.1.6. Half Math Functions</h2>
<h2 class="module_header">[<a class="xref xref apiRelation cppModuleModule" href="group__CUDA__MATH__INTRINSIC__HALF.html#group__CUDA__MATH__INTRINSIC__HALF" shape="rect">Half Precision Intrinsics</a>]
</h2>
<div class="section">
<p>To use these functions include the header file <tt class="ph tt code">cuda_fp16.h</tt> in your program.
</p>
</div>
<h3 class="fake_sectiontitle member_header">Functions</h3>
<dl class="members">
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g71645e62825165483767fb959ade5b75" shape="rect">hceil</a> ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculate ceiling of the input argument. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1ga65dce71ebc0dd7d12d0834e0ab6b253" shape="rect">hcos</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> cosine in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g2a3dc15a7d48a5a0dee8b12bc875e522" shape="rect">hexp</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> natural exponential function in round-to-nearest mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g9795592d7a0b36eb25ed2c57b89c5020" shape="rect">hexp10</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> decimal exponential function in round-to-nearest mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g715e831f5588ef02ef2ee6a94cb07013" shape="rect">hexp2</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> binary exponential function in round-to-nearest mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g5302f4e70c2918f6737d3c159335d681" shape="rect">hfloor</a> ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculate the largest integer less than or equal to <tt class="ph tt code">h</tt>. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g74f361f9c89fe0430d18cf1136c3a799" shape="rect">hlog</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> natural logarithm in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g5a41dfac808cbd159c1c4ea4b738c0ae" shape="rect">hlog10</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> decimal logarithm in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g3d788d8a6fdf25890f769c147056e8b4" shape="rect">hlog2</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> binary logarithm in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g3d221a53cabf43e2457ad8ddba3a1278" shape="rect">hrcp</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> reciprocal in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1gbbf7a989130edcbdbfbb4730f61c79b1" shape="rect">hrint</a> ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Round input to nearest integer value in half-precision floating point number. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g57710803b15f471625469a3f43b82970" shape="rect">hrsqrt</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> reciprocal square root in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g648019bc27fc250f350f90dc688f8430" shape="rect">hsin</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> sine in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1g67b9bbe48e510b6dc1c666bf34aa99a6" shape="rect">hsqrt</a> ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Calculates <tt class="ph tt code">half</tt> square root in round-to-nearest-even mode. </span></dd>
<dt><span class="member_type"><span class="keyword keyword apiItemName">__device__</span>
__half </span><span class="member_name"><a href="#group__CUDA__MATH____HALF__FUNCTIONS_1gee5be0d01b1f9a44a56aa2110eab5047" shape="rect">htrunc</a> ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="shortdesc"><span></span><span class="desc">Truncate input argument to the integral part. </span></dd>
</dl>
<div class="description">
<h3 class="sectiontitle">Functions</h3>
<dl class="description">
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g71645e62825165483767fb959ade5b75" id="group__CUDA__MATH____HALF__FUNCTIONS_1g71645e62825165483767fb959ade5b75" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hceil ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculate ceiling of the input argument. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">h</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">smallest integer value not less than <tt class="ph tt code">h</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Compute the smallest integer value not less than <tt class="ph tt code">h</tt>. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1ga65dce71ebc0dd7d12d0834e0ab6b253" id="group__CUDA__MATH____HALF__FUNCTIONS_1ga65dce71ebc0dd7d12d0834e0ab6b253" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hcos ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> cosine in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">cosine of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> cosine of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g2a3dc15a7d48a5a0dee8b12bc875e522" id="group__CUDA__MATH____HALF__FUNCTIONS_1g2a3dc15a7d48a5a0dee8b12bc875e522" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hexp ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> natural exponential function in round-to-nearest mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">natural exponential function on <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> natural exponential function of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g9795592d7a0b36eb25ed2c57b89c5020" id="group__CUDA__MATH____HALF__FUNCTIONS_1g9795592d7a0b36eb25ed2c57b89c5020" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hexp10 ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> decimal exponential function in round-to-nearest mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">decimal exponential function on <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> decimal exponential function of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g715e831f5588ef02ef2ee6a94cb07013" id="group__CUDA__MATH____HALF__FUNCTIONS_1g715e831f5588ef02ef2ee6a94cb07013" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hexp2 ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> binary exponential function in round-to-nearest mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">binary exponential function on <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> binary exponential function of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g5302f4e70c2918f6737d3c159335d681" id="group__CUDA__MATH____HALF__FUNCTIONS_1g5302f4e70c2918f6737d3c159335d681" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hfloor ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculate the largest integer less than or equal to <tt class="ph tt code">h</tt>.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">h</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">largest integer value which is less than or equal to <tt class="ph tt code">h</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculate the largest integer value which is less than or equal to <tt class="ph tt code">h</tt>. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g74f361f9c89fe0430d18cf1136c3a799" id="group__CUDA__MATH____HALF__FUNCTIONS_1g74f361f9c89fe0430d18cf1136c3a799" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hlog ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> natural logarithm in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">natural logarithm of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> natural logarithm of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g5a41dfac808cbd159c1c4ea4b738c0ae" id="group__CUDA__MATH____HALF__FUNCTIONS_1g5a41dfac808cbd159c1c4ea4b738c0ae" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hlog10 ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> decimal logarithm in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">decimal logarithm of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> decimal logarithm of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g3d788d8a6fdf25890f769c147056e8b4" id="group__CUDA__MATH____HALF__FUNCTIONS_1g3d788d8a6fdf25890f769c147056e8b4" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hlog2 ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> binary logarithm in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">binary logarithm of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> binary logarithm of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g3d221a53cabf43e2457ad8ddba3a1278" id="group__CUDA__MATH____HALF__FUNCTIONS_1g3d221a53cabf43e2457ad8ddba3a1278" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hrcp ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> reciprocal in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">reciprocal of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> reciprocal of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1gbbf7a989130edcbdbfbb4730f61c79b1" id="group__CUDA__MATH____HALF__FUNCTIONS_1gbbf7a989130edcbdbfbb4730f61c79b1" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hrint ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Round input to nearest integer value in half-precision floating point number. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">h</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">nearest integer to <tt class="ph tt code">h</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Round <tt class="ph tt code">h</tt> to the nearest integer value in half-precision floating point format, with halfway cases rounded to the nearest even integer
value. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g57710803b15f471625469a3f43b82970" id="group__CUDA__MATH____HALF__FUNCTIONS_1g57710803b15f471625469a3f43b82970" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hrsqrt ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> reciprocal square root in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">reciprocal square root of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> reciprocal square root of input <tt class="ph tt code">a</tt> in round-to-nearest mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g648019bc27fc250f350f90dc688f8430" id="group__CUDA__MATH____HALF__FUNCTIONS_1g648019bc27fc250f350f90dc688f8430" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hsin ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> sine in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">sine of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> sine of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1g67b9bbe48e510b6dc1c666bf34aa99a6" id="group__CUDA__MATH____HALF__FUNCTIONS_1g67b9bbe48e510b6dc1c666bf34aa99a6" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half hsqrt ( const __half<span> </span><span class="keyword keyword apiItemName">a</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Calculates <tt class="ph tt code">half</tt> square root in round-to-nearest-even mode.
</div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">a</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">square root of <tt class="ph tt code">a</tt>.
</p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Calculates <tt class="ph tt code">half</tt> square root of input <tt class="ph tt code">a</tt> in round-to-nearest-even mode. TBR
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDA__MATH____HALF__FUNCTIONS_1gee5be0d01b1f9a44a56aa2110eab5047" id="group__CUDA__MATH____HALF__FUNCTIONS_1gee5be0d01b1f9a44a56aa2110eab5047" shape="rect">
<!-- --></a><span><span class="keyword keyword apiItemName">__device__</span>
__half htrunc ( const __half<span> </span><span class="keyword keyword apiItemName">h</span> ) throw ( )</span></dt>
<dd class="description">
<div class="section">Truncate input argument to the integral part. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">h</span></tt></dt>
<dd>- half. Is only being read.</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return">half
<ul>
<li>The
<p class="p">truncated integer value. </p>
</li>
</ul>
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Round <tt class="ph tt code">h</tt> to the nearest integer value that does not exceed <tt class="ph tt code">h</tt> in magnitude. TBR
</p>
<p class="p"></p>
</div>
</dd>
</dl>
</div>
</div>
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