<divclass="line"><aname="l00005"></a><spanclass="lineno"> 5</span> <spanclass="comment"> * This source code is licensed under the BSD+Patents license found in the</span></div>
<divclass="line"><aname="l00006"></a><spanclass="lineno"> 6</span> <spanclass="comment"> * LICENSE file in the root directory of this source tree.</span></div>
<divclass="line"><aname="l00009"></a><spanclass="lineno"> 9</span> <spanclass="comment">// from Nvidia cuDNN library samples; modified to compile within faiss</span></div>
<divclass="line"><aname="l00016"></a><spanclass="lineno"> 16</span> <spanclass="comment"> * Copyright 1993-2014 NVIDIA Corporation. All rights reserved.</span></div>
<divclass="line"><aname="l00021"></a><spanclass="lineno"> 21</span> <spanclass="comment"> * subject to NVIDIA intellectual property rights under U.S. and</span></div>
<divclass="line"><aname="l00022"></a><spanclass="lineno"> 22</span> <spanclass="comment"> * international Copyright laws.</span></div>
<divclass="line"><aname="l00024"></a><spanclass="lineno"> 24</span> <spanclass="comment"> * These Licensed Deliverables contained herein is PROPRIETARY and</span></div>
<divclass="line"><aname="l00025"></a><spanclass="lineno"> 25</span> <spanclass="comment"> * CONFIDENTIAL to NVIDIA and is being provided under the terms and</span></div>
<divclass="line"><aname="l00026"></a><spanclass="lineno"> 26</span> <spanclass="comment"> * conditions of a form of NVIDIA software license agreement by and</span></div>
<divclass="line"><aname="l00027"></a><spanclass="lineno"> 27</span> <spanclass="comment"> * between NVIDIA and Licensee ("License Agreement") or electronically</span></div>
<divclass="line"><aname="l00028"></a><spanclass="lineno"> 28</span> <spanclass="comment"> * accepted by Licensee. Notwithstanding any terms or conditions to</span></div>
<divclass="line"><aname="l00029"></a><spanclass="lineno"> 29</span> <spanclass="comment"> * the contrary in the License Agreement, reproduction or disclosure</span></div>
<divclass="line"><aname="l00030"></a><spanclass="lineno"> 30</span> <spanclass="comment"> * of the Licensed Deliverables to any third party without the express</span></div>
<divclass="line"><aname="l00031"></a><spanclass="lineno"> 31</span> <spanclass="comment"> * written consent of NVIDIA is prohibited.</span></div>
<divclass="line"><aname="l00033"></a><spanclass="lineno"> 33</span> <spanclass="comment"> * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE</span></div>
<divclass="line"><aname="l00034"></a><spanclass="lineno"> 34</span> <spanclass="comment"> * LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE</span></div>
<divclass="line"><aname="l00035"></a><spanclass="lineno"> 35</span> <spanclass="comment"> * SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS</span></div>
<divclass="line"><aname="l00036"></a><spanclass="lineno"> 36</span> <spanclass="comment"> * PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.</span></div>
<divclass="line"><aname="l00037"></a><spanclass="lineno"> 37</span> <spanclass="comment"> * NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED</span></div>
<divclass="line"><aname="l00038"></a><spanclass="lineno"> 38</span> <spanclass="comment"> * DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,</span></div>
<divclass="line"><aname="l00039"></a><spanclass="lineno"> 39</span> <spanclass="comment"> * NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.</span></div>
<divclass="line"><aname="l00040"></a><spanclass="lineno"> 40</span> <spanclass="comment"> * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE</span></div>
<divclass="line"><aname="l00041"></a><spanclass="lineno"> 41</span> <spanclass="comment"> * LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY</span></div>
<divclass="line"><aname="l00042"></a><spanclass="lineno"> 42</span> <spanclass="comment"> * SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY</span></div>
<divclass="line"><aname="l00043"></a><spanclass="lineno"> 43</span> <spanclass="comment"> * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,</span></div>
<divclass="line"><aname="l00044"></a><spanclass="lineno"> 44</span> <spanclass="comment"> * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS</span></div>
<divclass="line"><aname="l00045"></a><spanclass="lineno"> 45</span> <spanclass="comment"> * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE</span></div>
<divclass="line"><aname="l00046"></a><spanclass="lineno"> 46</span> <spanclass="comment"> * OF THESE LICENSED DELIVERABLES.</span></div>
<divclass="line"><aname="l00048"></a><spanclass="lineno"> 48</span> <spanclass="comment"> * U.S. Government End Users. These Licensed Deliverables are a</span></div>
<divclass="line"><aname="l00049"></a><spanclass="lineno"> 49</span> <spanclass="comment"> * "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT</span></div>
<divclass="line"><aname="l00050"></a><spanclass="lineno"> 50</span> <spanclass="comment"> * 1995), consisting of "commercial computer software" and "commercial</span></div>
<divclass="line"><aname="l00051"></a><spanclass="lineno"> 51</span> <spanclass="comment"> * computer software documentation" as such terms are used in 48</span></div>
<divclass="line"><aname="l00052"></a><spanclass="lineno"> 52</span> <spanclass="comment"> * C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government</span></div>
<divclass="line"><aname="l00053"></a><spanclass="lineno"> 53</span> <spanclass="comment"> * only as a commercial end item. Consistent with 48 C.F.R.12.212 and</span></div>
<divclass="line"><aname="l00055"></a><spanclass="lineno"> 55</span> <spanclass="comment"> * U.S. Government End Users acquire the Licensed Deliverables with</span></div>
<divclass="line"><aname="l00056"></a><spanclass="lineno"> 56</span> <spanclass="comment"> * only those rights set forth herein.</span></div>
<divclass="line"><aname="l00058"></a><spanclass="lineno"> 58</span> <spanclass="comment"> * Any use of the Licensed Deliverables in individual and commercial</span></div>
<divclass="line"><aname="l00059"></a><spanclass="lineno"> 59</span> <spanclass="comment"> * software must include, in the user documentation and internal</span></div>
<divclass="line"><aname="l00060"></a><spanclass="lineno"> 60</span> <spanclass="comment"> * comments to the code, the above Disclaimer and U.S. Government End</span></div>
<divclass="line"><aname="l00090"></a><spanclass="lineno"> 90</span> <spanclass="comment">// When input is NaN, exponent is all ones and mantissa is non-zero.</span></div>
<divclass="line"><aname="l00091"></a><spanclass="lineno"> 91</span> <spanclass="keywordflow">return</span> (h.x & 0x7c00U) == 0x7c00U && (h.x & 0x03ffU) != 0;</div>
<divclass="line"><aname="l00096"></a><spanclass="lineno"> 96</span> <spanclass="comment">// When input is +/- inf, exponent is all ones and mantissa is zero.</span></div>
<divclass="line"><aname="l00097"></a><spanclass="lineno"> 97</span> <spanclass="keywordflow">return</span> (h.x & 0x7c00U) == 0x7c00U && (h.x & 0x03ffU) == 0;</div>
