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<div class="title">NEMath.h</div> </div>
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<a href="_n_e_math_8h.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2016, 2017 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#ifndef __ARM_COMPUTE_NEMATH_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#define __ARM_COMPUTE_NEMATH_H__</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;arm_neon.h&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;{</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#af7a0f3e622aa4bc8c6077d2262a04e2e">vfloorq_f32</a>(float32x4_t val);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;float32x2_t <a class="code" href="namespacearm__compute.xhtml#afc415e7fc5e633a0b85b08b2bba5b5cf">vinvsqrt_f32</a>(float32x2_t x);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#ab8970d7aed07d8649f5e3088455948b8">vinvsqrtq_f32</a>(float32x4_t x);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;float32x2_t <a class="code" href="namespacearm__compute.xhtml#acc6fd1bcd12ef1141e15401a04d31187">vinv_f32</a>(float32x2_t x);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#a2e0f2412b4d1302272d1aeb85d21ab25">vinvq_f32</a>(float32x4_t x);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#a0c10bb00a86edd8d0cd4c33b494f6cd4">vtaylor_polyq_f32</a>(float32x4_t x, <span class="keyword">const</span> std::array&lt;float32x4_t, 8&gt; &amp;coeffs);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#ab55486f1153a4c5f507d4923b59fc6a0">vexpq_f32</a>(float32x4_t x);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#a1d090b80b655e7f8fd8977bb93808b04">vlogq_f32</a>(float32x4_t x);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#a3e59419da344d02daca9c5b274a1da45">vtanhq_f32</a>(float32x4_t val);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;float32x4_t <a class="code" href="namespacearm__compute.xhtml#aa6465367a67af2bae4ca46750231dae0">vpowq_f32</a>(float32x4_t val, float32x4_t n);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="preprocessor">#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;float16x8_t vtanhq_f16(float16x8_t val);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;float16x4_t vinv_f16(float16x4_t x);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;float16x8_t vinvq_f16(float16x8_t x);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;float16x4_t vinvsqrt_f16(float16x4_t x);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;float16x8_t vinvsqrtq_f16(float16x8_t x);</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;float16x8_t vexpq_f16(float16x8_t x);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;float16x8_t vpowq_f16(float16x8_t val, float16x8_t n);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */</span><span class="preprocessor"></span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;} <span class="comment">// namespace arm_compute</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_n_e_math_8inl.xhtml">arm_compute/core/NEON/NEMath.inl</a>&quot;</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* __ARM_COMPUTE_NEMATH_H__ */</span><span class="preprocessor"></span></div><div class="ttc" id="namespacearm__compute_xhtml_a3e59419da344d02daca9c5b274a1da45"><div class="ttname"><a href="namespacearm__compute.xhtml#a3e59419da344d02daca9c5b274a1da45">arm_compute::vtanhq_f32</a></div><div class="ttdeci">float32x4_t vtanhq_f32(float32x4_t val)</div><div class="ttdoc">Calculate hyperbolic tangent.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab8970d7aed07d8649f5e3088455948b8"><div class="ttname"><a href="namespacearm__compute.xhtml#ab8970d7aed07d8649f5e3088455948b8">arm_compute::vinvsqrtq_f32</a></div><div class="ttdeci">float32x4_t vinvsqrtq_f32(float32x4_t x)</div><div class="ttdoc">Calculate inverse square root.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_acc6fd1bcd12ef1141e15401a04d31187"><div class="ttname"><a href="namespacearm__compute.xhtml#acc6fd1bcd12ef1141e15401a04d31187">arm_compute::vinv_f32</a></div><div class="ttdeci">float32x2_t vinv_f32(float32x2_t x)</div><div class="ttdoc">Calculate reciprocal.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a0c10bb00a86edd8d0cd4c33b494f6cd4"><div class="ttname"><a href="namespacearm__compute.xhtml#a0c10bb00a86edd8d0cd4c33b494f6cd4">arm_compute::vtaylor_polyq_f32</a></div><div class="ttdeci">float32x4_t vtaylor_polyq_f32(float32x4_t x, const std::array&lt; float32x4_t, 8 &gt; &amp;coeffs)</div><div class="ttdoc">Perform a 7th degree polynomial approximation using Estrin's method.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">Copyright (c) 2017-2018 ARM Limited.</div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00024">00_introduction.dox:24</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_af7a0f3e622aa4bc8c6077d2262a04e2e"><div class="ttname"><a href="namespacearm__compute.xhtml#af7a0f3e622aa4bc8c6077d2262a04e2e">arm_compute::vfloorq_f32</a></div><div class="ttdeci">float32x4_t vfloorq_f32(float32x4_t val)</div><div class="ttdoc">Calculate floor of a vector.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_aa6465367a67af2bae4ca46750231dae0"><div class="ttname"><a href="namespacearm__compute.xhtml#aa6465367a67af2bae4ca46750231dae0">arm_compute::vpowq_f32</a></div><div class="ttdeci">float32x4_t vpowq_f32(float32x4_t val, float32x4_t n)</div><div class="ttdoc">Calculate n power of a number.</div></div>
<div class="ttc" id="_n_e_math_8inl_xhtml"><div class="ttname"><a href="_n_e_math_8inl.xhtml">NEMath.inl</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a1d090b80b655e7f8fd8977bb93808b04"><div class="ttname"><a href="namespacearm__compute.xhtml#a1d090b80b655e7f8fd8977bb93808b04">arm_compute::vlogq_f32</a></div><div class="ttdeci">float32x4_t vlogq_f32(float32x4_t x)</div><div class="ttdoc">Calculate logarithm.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_afc415e7fc5e633a0b85b08b2bba5b5cf"><div class="ttname"><a href="namespacearm__compute.xhtml#afc415e7fc5e633a0b85b08b2bba5b5cf">arm_compute::vinvsqrt_f32</a></div><div class="ttdeci">float32x2_t vinvsqrt_f32(float32x2_t x)</div><div class="ttdoc">Calculate inverse square root.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab55486f1153a4c5f507d4923b59fc6a0"><div class="ttname"><a href="namespacearm__compute.xhtml#ab55486f1153a4c5f507d4923b59fc6a0">arm_compute::vexpq_f32</a></div><div class="ttdeci">float32x4_t vexpq_f32(float32x4_t x)</div><div class="ttdoc">Calculate exponential.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a2e0f2412b4d1302272d1aeb85d21ab25"><div class="ttname"><a href="namespacearm__compute.xhtml#a2e0f2412b4d1302272d1aeb85d21ab25">arm_compute::vinvq_f32</a></div><div class="ttdeci">float32x4_t vinvq_f32(float32x4_t x)</div><div class="ttdoc">Calculate reciprocal.</div></div>
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