arm_compute v19.11
diff --git a/documentation/namespacearm__compute_1_1quantization.xhtml b/documentation/namespacearm__compute_1_1quantization.xhtml
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+++ b/documentation/namespacearm__compute_1_1quantization.xhtml
@@ -40,7 +40,7 @@
<img alt="Compute Library" src="https://raw.githubusercontent.com/ARM-software/ComputeLibrary/gh-pages/ACL_logo.png" style="max-width: 100%;margin-top: 15px;margin-left: 10px"/>
<td style="padding-left: 0.5em;">
<div id="projectname">
-  <span id="projectnumber">19.08</span>
+  <span id="projectnumber">19.11</span>
</div>
</td>
</tr>
@@ -97,7 +97,8 @@
<div class="header">
<div class="summary">
-<a href="#func-members">Functions</a> </div>
+<a href="#func-members">Functions</a> |
+<a href="#var-members">Variables</a> </div>
<div class="headertitle">
<div class="title">arm_compute::quantization Namespace Reference</div> </div>
</div><!--header-->
@@ -105,22 +106,95 @@
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
-<tr class="memitem:a22032f9cf47deae265eafb65ff55b594"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a22032f9cf47deae265eafb65ff55b594">calculate_quantized_multiplier_less_than_one</a> (float multiplier, int *quant_multiplier, int *right_shift)</td></tr>
-<tr class="memdesc:a22032f9cf47deae265eafb65ff55b594"><td class="mdescLeft"> </td><td class="mdescRight">Calculate quantized representation of multiplier with value less than one. <a href="#a22032f9cf47deae265eafb65ff55b594">More...</a><br /></td></tr>
-<tr class="separator:a22032f9cf47deae265eafb65ff55b594"><td class="memSeparator" colspan="2"> </td></tr>
-<tr class="memitem:ae8bdc82ba415ef002ef1637b5cd02bbd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#ae8bdc82ba415ef002ef1637b5cd02bbd">calculate_quantized_multiplier_greater_than_one</a> (float multiplier, int *quantized_multiplier, int *left_shift)</td></tr>
-<tr class="memdesc:ae8bdc82ba415ef002ef1637b5cd02bbd"><td class="mdescLeft"> </td><td class="mdescRight">Calculate quantized representation of multiplier having value greater than one. <a href="#ae8bdc82ba415ef002ef1637b5cd02bbd">More...</a><br /></td></tr>
-<tr class="separator:ae8bdc82ba415ef002ef1637b5cd02bbd"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:aea20ec2ee8de8e462ee18e1fb0069cb1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#aea20ec2ee8de8e462ee18e1fb0069cb1">calculate_quantized_multiplier</a> (float multiplier, int *quant_multiplier, int *shift)</td></tr>
+<tr class="memdesc:aea20ec2ee8de8e462ee18e1fb0069cb1"><td class="mdescLeft"> </td><td class="mdescRight">Calculate quantized representation of multiplier. <a href="#aea20ec2ee8de8e462ee18e1fb0069cb1">More...</a><br /></td></tr>
+<tr class="separator:aea20ec2ee8de8e462ee18e1fb0069cb1"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:aa7f38ca13336118049b3e1db4d9f4623"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a> (float multiplier, int *quant_multiplier, int *right_shift)</td></tr>
+<tr class="memdesc:aa7f38ca13336118049b3e1db4d9f4623"><td class="mdescLeft"> </td><td class="mdescRight">Calculate quantized representation of multiplier with value less than one. <a href="#aa7f38ca13336118049b3e1db4d9f4623">More...</a><br /></td></tr>
+<tr class="separator:aa7f38ca13336118049b3e1db4d9f4623"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:a75b05c663a2bf3a46c32ad843cab86f9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a75b05c663a2bf3a46c32ad843cab86f9">calculate_quantized_multiplier_greater_than_one</a> (float multiplier, int *quantized_multiplier, int *left_shift)</td></tr>
+<tr class="memdesc:a75b05c663a2bf3a46c32ad843cab86f9"><td class="mdescLeft"> </td><td class="mdescRight">Calculate quantized representation of multiplier having value greater than one. <a href="#a75b05c663a2bf3a46c32ad843cab86f9">More...</a><br /></td></tr>
+<tr class="separator:a75b05c663a2bf3a46c32ad843cab86f9"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:a358bb588545254dbd23b21b6a5b04424"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a358bb588545254dbd23b21b6a5b04424">calculate_quantized_multipliers_less_than_one</a> (const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &iq_info, const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &wq_info, const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &oq_info, <a class="el" href="structarm__compute_1_1_g_e_m_m_lowp_output_stage_info.xhtml">GEMMLowpOutputStageInfo</a> &stage_info)</td></tr>
+<tr class="memdesc:a358bb588545254dbd23b21b6a5b04424"><td class="mdescLeft"> </td><td class="mdescRight">Calculate quantized representation of per-channel multipliers with value less than one. <a href="#a358bb588545254dbd23b21b6a5b04424">More...</a><br /></td></tr>
+<tr class="separator:a358bb588545254dbd23b21b6a5b04424"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:ab8860c9932b57a5066c460ea310e1bc4"><td class="memItemLeft" align="right" valign="top">std::pair< int, int > </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#ab8860c9932b57a5066c460ea310e1bc4">get_min_max_values_from_quantized_data_type</a> (<a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> data_type)</td></tr>
+<tr class="memdesc:ab8860c9932b57a5066c460ea310e1bc4"><td class="mdescLeft"> </td><td class="mdescRight">Get minimum and maximum values for the input quantized data type. <a href="#ab8860c9932b57a5066c460ea310e1bc4">More...</a><br /></td></tr>
+<tr class="separator:ab8860c9932b57a5066c460ea310e1bc4"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:a9e8fecf2dd5d28f1f277d8636be144a5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a9e8fecf2dd5d28f1f277d8636be144a5">compute_quantized_multipliers_and_shifts</a> (const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *input, const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *weights, const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *output, unsigned int idx_ofms, int32_t *output_multipliers_ptr, int32_t *output_shifts_ptr)</td></tr>
+<tr class="memdesc:a9e8fecf2dd5d28f1f277d8636be144a5"><td class="mdescLeft"> </td><td class="mdescRight">Compute quantized per-channel multipliers and shifts. <a href="#a9e8fecf2dd5d28f1f277d8636be144a5">More...</a><br /></td></tr>
+<tr class="separator:a9e8fecf2dd5d28f1f277d8636be144a5"><td class="memSeparator" colspan="2"> </td></tr>
+</table><table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
+Variables</h2></td></tr>
+<tr class="memitem:ab153bd5bebd2a695c5d2c79801d0abec"><td class="memItemLeft" align="right" valign="top">constexpr int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a> = (1LL << 31)</td></tr>
+<tr class="separator:ab153bd5bebd2a695c5d2c79801d0abec"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:a552dc3787d7ea1675f3e4e8993501d58"><td class="memItemLeft" align="right" valign="top">constexpr float </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a> = 0.00001f</td></tr>
+<tr class="separator:a552dc3787d7ea1675f3e4e8993501d58"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Function Documentation</h2>
-<a id="ae8bdc82ba415ef002ef1637b5cd02bbd"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#ae8bdc82ba415ef002ef1637b5cd02bbd">◆ </a></span>calculate_quantized_multiplier_greater_than_one()</h2>
+<a id="aea20ec2ee8de8e462ee18e1fb0069cb1"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aea20ec2ee8de8e462ee18e1fb0069cb1">◆ </a></span>calculate_quantized_multiplier()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
- <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> calculate_quantized_multiplier_greater_than_one </td>
+ <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> calculate_quantized_multiplier </td>
+ <td>(</td>
+ <td class="paramtype">float </td>
+ <td class="paramname"><em>multiplier</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">int * </td>
+ <td class="paramname"><em>quant_multiplier</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">int * </td>
+ <td class="paramname"><em>shift</em> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+</div><div class="memdoc">
+
+<p>Calculate quantized representation of multiplier. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+ <table class="params">
+ <tr><td class="paramdir">[in]</td><td class="paramname">multiplier</td><td>Real multiplier. </td></tr>
+ <tr><td class="paramdir">[out]</td><td class="paramname">quant_multiplier</td><td>Integer multiplier. </td></tr>
+ <tr><td class="paramdir">[out]</td><td class="paramname">shift</td><td>bit shift. A negative value indicates a left shift, while a positive value indicates a right shift</td></tr>
+ </table>
+ </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
+
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00038">38</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+<div class="fragment"><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span>(multiplier > 1.f)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  Status status = <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a75b05c663a2bf3a46c32ad843cab86f9">calculate_quantized_multiplier_greater_than_one</a>(multiplier, quant_multiplier, <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">shift</a>);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  *<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">shift</a> *= -1;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a>(multiplier, quant_multiplier, <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">shift</a>);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div><div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a979a54caef6e77ce0259e427136847e8"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">arm_compute::test::validation::shift</a></div><div class="ttdeci">shift</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_depth_convert_layer_8cpp_source.xhtml#l00155">DepthConvertLayer.cpp:155</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_a75b05c663a2bf3a46c32ad843cab86f9"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#a75b05c663a2bf3a46c32ad843cab86f9">arm_compute::quantization::calculate_quantized_multiplier_greater_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_greater_than_one(float multiplier, int *quantized_multiplier, int *left_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier having value greater than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00090">AsymmHelpers.cpp:90</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_aa7f38ca13336118049b3e1db4d9f4623"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">arm_compute::quantization::calculate_quantized_multiplier_less_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier with value less than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00052">AsymmHelpers.cpp:52</a></div></div>
+</div><!-- fragment -->
+<p class="reference">References <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00090">calculate_quantized_multiplier_greater_than_one()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, and <a class="el" href="_c_l_2_depth_convert_layer_8cpp_source.xhtml#l00155">arm_compute::test::validation::shift</a>.</p>
+
+<p class="reference">Referenced by <a class="el" href="_c_l_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00058">CLLSTMLayerQuantized::configure()</a>, <a class="el" href="_n_e_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00057">NELSTMLayerQuantized::configure()</a>, <a class="el" href="_c_l_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00256">CLLSTMLayerQuantized::validate()</a>, and <a class="el" href="_n_e_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00235">NELSTMLayerQuantized::validate()</a>.</p>
+
+</div>
+</div>
+<a id="a75b05c663a2bf3a46c32ad843cab86f9"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a75b05c663a2bf3a46c32ad843cab86f9">◆ </a></span>calculate_quantized_multiplier_greater_than_one()</h2>
+
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> calculate_quantized_multiplier_greater_than_one </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>multiplier</em>, </td>
@@ -156,24 +230,25 @@
</dl>
<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
-<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00073">73</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
-<div class="fragment"><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(quantized_multiplier == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(left_shift == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier < 1.f);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> q = std::frexp(multiplier, left_shift);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">auto</span> q_fixed = static_cast<int64_t>(<a class="code" href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">round</a>(q * <a class="code" href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>));</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > <a class="code" href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span>(q_fixed == <a class="code" href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  q_fixed /= 2;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  ++*left_shift;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(*left_shift < 0);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > std::numeric_limits<int32_t>::max());</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  *quantized_multiplier = static_cast<int32_t>(q_fixed);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a>{};</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div><div class="ttc" id="_asymm_helpers_8cpp_xhtml_ab153bd5bebd2a695c5d2c79801d0abec"><div class="ttname"><a href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a></div><div class="ttdeci">constexpr int64_t fixed_point_one_Q0</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00032">AsymmHelpers.cpp:32</a></div></div>
-<div class="ttc" id="classarm__compute_1_1_status_xhtml"><div class="ttname"><a href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a></div><div class="ttdoc">Status class.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00052">Error.h:52</a></div></div>
-<div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00244">Error.h:244</a></div></div>
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00090">90</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+<div class="fragment"><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(quantized_multiplier == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(left_shift == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier < 1.f);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> q = std::frexp(multiplier, left_shift);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">auto</span> q_fixed = static_cast<int64_t>(<a class="code" href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">support::cpp11::round</a>(q * <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>));</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span>(q_fixed == <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  q_fixed /= 2;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ++*left_shift;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(*left_shift < 0);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > std::numeric_limits<int32_t>::max());</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  *quantized_multiplier = static_cast<int32_t>(q_fixed);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div><div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00296">Error.h:296</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_aaae2b6b1c3f4404121346a4c27b22647"><div class="ttname"><a href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">arm_compute::round</a></div><div class="ttdeci">int round(float x, RoundingPolicy rounding_policy)</div><div class="ttdoc">Return a rounded value of x.</div><div class="ttdef"><b>Definition:</b> <a href="_rounding_8cpp_source.xhtml#l00035">Rounding.cpp:35</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_ab153bd5bebd2a695c5d2c79801d0abec"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">arm_compute::quantization::fixed_point_one_Q0</a></div><div class="ttdeci">constexpr int64_t fixed_point_one_Q0</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00035">AsymmHelpers.cpp:35</a></div></div>
</div><!-- fragment -->
-<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00244">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00032">fixed_point_one_Q0</a>, and <a class="el" href="_rounding_8cpp_source.xhtml#l00035">arm_compute::round()</a>.</p>
+<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00296">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">fixed_point_one_Q0</a>, and <a class="el" href="_toolchain_support_8h_source.xhtml#l00317">arm_compute::support::cpp11::round()</a>.</p>
+
+<p class="reference">Referenced by <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00038">calculate_quantized_multiplier()</a>.</p>
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-<a id="a22032f9cf47deae265eafb65ff55b594"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#a22032f9cf47deae265eafb65ff55b594">◆ </a></span>calculate_quantized_multiplier_less_than_one()</h2>
+<a id="aa7f38ca13336118049b3e1db4d9f4623"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#aa7f38ca13336118049b3e1db4d9f4623">◆ </a></span>calculate_quantized_multiplier_less_than_one()</h2>
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- <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> calculate_quantized_multiplier_less_than_one </td>
+ <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> calculate_quantized_multiplier_less_than_one </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>multiplier</em>, </td>
@@ -209,16 +284,218 @@
</dl>
<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
-<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">35</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
-<div class="fragment"><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(quant_multiplier == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(right_shift == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier < -<a class="code" href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier > 1.0f + <a class="code" href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span>(std::fabs(1.0f - multiplier) < <a class="code" href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>)</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  *quant_multiplier = 1;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  *right_shift = 0;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> <a class="code" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a>{};</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span>(std::fabs(0.0f - multiplier) < <a class="code" href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>)</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  *quant_multiplier = 0;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  *right_shift = 0;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <a class="code" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a>{};</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> q = std::frexp(multiplier, right_shift);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  *right_shift *= -1;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">auto</span> q_fixed = static_cast<int64_t>(<a class="code" href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">round</a>(q * <a class="code" href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>));</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > <a class="code" href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span>(q_fixed == <a class="code" href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>)</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  q_fixed /= 2;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  --*right_shift;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(*right_shift < 0);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > std::numeric_limits<int32_t>::max());</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  *quant_multiplier = static_cast<int32_t>(q_fixed);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> <a class="code" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a>{};</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div><div class="ttc" id="_asymm_helpers_8cpp_xhtml_ab153bd5bebd2a695c5d2c79801d0abec"><div class="ttname"><a href="_asymm_helpers_8cpp.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a></div><div class="ttdeci">constexpr int64_t fixed_point_one_Q0</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00032">AsymmHelpers.cpp:32</a></div></div>
-<div class="ttc" id="_asymm_helpers_8cpp_xhtml_a552dc3787d7ea1675f3e4e8993501d58"><div class="ttname"><a href="_asymm_helpers_8cpp.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a></div><div class="ttdeci">constexpr float epsilon</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00033">AsymmHelpers.cpp:33</a></div></div>
-<div class="ttc" id="classarm__compute_1_1_status_xhtml"><div class="ttname"><a href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a></div><div class="ttdoc">Status class.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00052">Error.h:52</a></div></div>
-<div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00244">Error.h:244</a></div></div>
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">52</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+<div class="fragment"><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(quant_multiplier == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(right_shift == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier < -<a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier > 1.0f + <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span>(std::fabs(1.0f - multiplier) < <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  *quant_multiplier = 1;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  *right_shift = 0;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span>(std::fabs(0.0f - multiplier) < <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  *quant_multiplier = 0;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  *right_shift = 0;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> q = std::frexp(multiplier, right_shift);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  *right_shift *= -1;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">auto</span> q_fixed = static_cast<int64_t>(<a class="code" href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">support::cpp11::round</a>(q * <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>));</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span>(q_fixed == <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  q_fixed /= 2;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  --*right_shift;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(*right_shift < 0);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed > std::numeric_limits<int32_t>::max());</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  *quant_multiplier = static_cast<int32_t>(q_fixed);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div><div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00296">Error.h:296</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_aaae2b6b1c3f4404121346a4c27b22647"><div class="ttname"><a href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">arm_compute::round</a></div><div class="ttdeci">int round(float x, RoundingPolicy rounding_policy)</div><div class="ttdoc">Return a rounded value of x.</div><div class="ttdef"><b>Definition:</b> <a href="_rounding_8cpp_source.xhtml#l00035">Rounding.cpp:35</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_ab153bd5bebd2a695c5d2c79801d0abec"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">arm_compute::quantization::fixed_point_one_Q0</a></div><div class="ttdeci">constexpr int64_t fixed_point_one_Q0</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00035">AsymmHelpers.cpp:35</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_a552dc3787d7ea1675f3e4e8993501d58"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">arm_compute::quantization::epsilon</a></div><div class="ttdeci">constexpr float epsilon</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00036">AsymmHelpers.cpp:36</a></div></div>
</div><!-- fragment -->
-<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00244">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00033">epsilon</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00032">fixed_point_one_Q0</a>, and <a class="el" href="_rounding_8cpp_source.xhtml#l00035">arm_compute::round()</a>.</p>
+<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00296">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00036">epsilon</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">fixed_point_one_Q0</a>, and <a class="el" href="_toolchain_support_8h_source.xhtml#l00317">arm_compute::support::cpp11::round()</a>.</p>
-<p class="reference">Referenced by <a class="el" href="_c_l_depthwise_convolution_layer3x3_n_c_h_w_kernel_8cpp_source.xhtml#l00227">CLDepthwiseConvolutionLayer3x3NCHWKernel::configure()</a>, <a class="el" href="_c_l_depthwise_convolution_layer3x3_n_h_w_c_kernel_8cpp_source.xhtml#l00178">CLDepthwiseConvolutionLayer3x3NHWCKernel::configure()</a>, <a class="el" href="_c_l_direct_convolution_layer_kernel_8cpp_source.xhtml#l00389">CLDirectConvolutionLayerKernel::configure()</a>, <a class="el" href="_c_l_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00058">CLLSTMLayerQuantized::configure()</a>, <a class="el" href="_n_e_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00057">NELSTMLayerQuantized::configure()</a>, <a class="el" href="_c_l_g_e_m_m_deconvolution_layer_8cpp_source.xhtml#l00186">CLGEMMDeconvolutionLayer::configure()</a>, <a class="el" href="_n_e_fully_connected_layer_8cpp_source.xhtml#l00139">NEFullyConnectedLayer::configure()</a>, <a class="el" href="_c_l_fully_connected_layer_8cpp_source.xhtml#l00140">CLFullyConnectedLayer::configure()</a>, <a class="el" href="_c_l_g_e_m_m_convolution_layer_8cpp_source.xhtml#l00177">CLGEMMConvolutionLayer::configure()</a>, <a class="el" href="_c_l_depthwise_convolution_layer_8cpp_source.xhtml#l00256">CLDepthwiseConvolutionLayer::configure()</a>, <a class="el" href="_n_e_depthwise_convolution_layer_8cpp_source.xhtml#l00711">NEDepthwiseConvolutionLayer::configure()</a>, <a class="el" href="validation_2reference_2_depthwise_convolution_layer_8cpp_source.xhtml#l00128">arm_compute::test::validation::reference::depthwise_convolution()</a>, <a class="el" href="_n_e_depthwise_convolution_layer_8cpp_source.xhtml#l00230">NEDepthwiseConvolutionLayer3x3::validate()</a>, <a class="el" href="_c_l_g_e_m_m_convolution_layer_8cpp_source.xhtml#l00373">CLGEMMConvolutionLayer::validate()</a>, and <a class="el" href="_n_e_depthwise_convolution_layer_8cpp_source.xhtml#l00858">NEDepthwiseConvolutionLayer::validate()</a>.</p>
+<p class="reference">Referenced by <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00038">calculate_quantized_multiplier()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00112">calculate_quantized_multipliers_less_than_one()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00176">compute_quantized_multipliers_and_shifts()</a>, <a class="el" href="_c_l_direct_convolution_layer_kernel_8cpp_source.xhtml#l00412">CLDirectConvolutionLayerKernel::configure()</a>, <a class="el" href="_n_e_depthwise_convolution_layer_native_kernel_8cpp_source.xhtml#l00500">NEDepthwiseConvolutionLayerNativeKernel::configure()</a>, <a class="el" href="_c_l_g_e_m_m_deconvolution_layer_8cpp_source.xhtml#l00186">CLGEMMDeconvolutionLayer::configure()</a>, and <a class="el" href="_n_e_fully_connected_layer_8cpp_source.xhtml#l00140">NEFullyConnectedLayer::configure()</a>.</p>
+
+</div>
+</div>
+<a id="a358bb588545254dbd23b21b6a5b04424"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a358bb588545254dbd23b21b6a5b04424">◆ </a></span>calculate_quantized_multipliers_less_than_one()</h2>
+
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> calculate_quantized_multipliers_less_than_one </td>
+ <td>(</td>
+ <td class="paramtype">const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> & </td>
+ <td class="paramname"><em>iq_info</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> & </td>
+ <td class="paramname"><em>wq_info</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> & </td>
+ <td class="paramname"><em>oq_info</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype"><a class="el" href="structarm__compute_1_1_g_e_m_m_lowp_output_stage_info.xhtml">GEMMLowpOutputStageInfo</a> & </td>
+ <td class="paramname"><em>stage_info</em> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+</div><div class="memdoc">
+
+<p>Calculate quantized representation of per-channel multipliers with value less than one. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+ <table class="params">
+ <tr><td class="paramdir">[in]</td><td class="paramname">iq_info</td><td>Input quantization info. </td></tr>
+ <tr><td class="paramdir">[in]</td><td class="paramname">wq_info</td><td>Weights quantization info. </td></tr>
+ <tr><td class="paramdir">[in]</td><td class="paramname">oq_info</td><td>Output quantization info. </td></tr>
+ <tr><td class="paramdir">[in,out]</td><td class="paramname">stage_info</td><td>GemmLowp output stage info</td></tr>
+ </table>
+ </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
+
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00112">112</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+<div class="fragment"><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(iq_info.scale().empty());</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(wq_info.scale().empty());</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(oq_info.scale().empty());</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = wq_info.scale().size();</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">auto</span> &quant_multipliers = stage_info.gemmlowp_multipliers;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">auto</span> &quant_shifts = stage_info.gemmlowp_shifts;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  quant_multipliers.resize(size);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  quant_shifts.resize(size);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <span class="keyword">auto</span> &w_scales = wq_info.scale();</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> i_scale = iq_info.scale().at(0);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> o_scale = oq_info.scale().at(0);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < size; ++i)</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> multiplier = i_scale * w_scales[i] / o_scale;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">int</span> quant_multiplier = 0;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">int</span> quant_shift = 0;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="_error_8h.xhtml#a8a1e1c105f0bdaf37db408c7cfcb77a4">ARM_COMPUTE_RETURN_ON_ERROR</a>(<a class="code" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a>(multiplier, &quant_multiplier, &quant_shift));</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  quant_multipliers[i] = quant_multiplier;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  quant_shifts[i] = quant_shift;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Legacy part</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  stage_info.gemmlowp_shift = quant_shifts[0];</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  stage_info.gemmlowp_multiplier = quant_multipliers[0];</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> }</div><div class="ttc" id="_error_8h_xhtml_a8a1e1c105f0bdaf37db408c7cfcb77a4"><div class="ttname"><a href="_error_8h.xhtml#a8a1e1c105f0bdaf37db408c7cfcb77a4">ARM_COMPUTE_RETURN_ON_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ON_ERROR(status)</div><div class="ttdoc">Checks if a status contains an error and returns it.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00204">Error.h:204</a></div></div>
+<div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00296">Error.h:296</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_aa7f38ca13336118049b3e1db4d9f4623"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">arm_compute::quantization::calculate_quantized_multiplier_less_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier with value less than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00052">AsymmHelpers.cpp:52</a></div></div>
+</div><!-- fragment -->
+<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00296">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_error_8h_source.xhtml#l00204">ARM_COMPUTE_RETURN_ON_ERROR</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01880">GEMMLowpOutputStageInfo::gemmlowp_multiplier</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01884">GEMMLowpOutputStageInfo::gemmlowp_multipliers</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01881">GEMMLowpOutputStageInfo::gemmlowp_shift</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01885">GEMMLowpOutputStageInfo::gemmlowp_shifts</a>, and <a class="el" href="_quantization_info_8h_source.xhtml#l00122">QuantizationInfo::scale()</a>.</p>
+
+</div>
+</div>
+<a id="a9e8fecf2dd5d28f1f277d8636be144a5"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a9e8fecf2dd5d28f1f277d8636be144a5">◆ </a></span>compute_quantized_multipliers_and_shifts()</h2>
+
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">void compute_quantized_multipliers_and_shifts </td>
+ <td>(</td>
+ <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> * </td>
+ <td class="paramname"><em>input</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> * </td>
+ <td class="paramname"><em>weights</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> * </td>
+ <td class="paramname"><em>output</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">unsigned int </td>
+ <td class="paramname"><em>idx_ofms</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">int32_t * </td>
+ <td class="paramname"><em>output_multipliers_ptr</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">int32_t * </td>
+ <td class="paramname"><em>output_shifts_ptr</em> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+</div><div class="memdoc">
+
+<p>Compute quantized per-channel multipliers and shifts. </p>
+<p>As many multipliers and shifts as output channels are computed. If weights are not quantized per-channel, multipliers and shifts will end up being the same for each channel.</p>
+<dl class="params"><dt>Parameters</dt><dd>
+ <table class="params">
+ <tr><td class="paramdir">[in]</td><td class="paramname">input</td><td>Input tensor info. </td></tr>
+ <tr><td class="paramdir">[in]</td><td class="paramname">weights</td><td>Weights tensor info. </td></tr>
+ <tr><td class="paramdir">[in]</td><td class="paramname">output</td><td>Output tensor info. </td></tr>
+ <tr><td class="paramdir">[in]</td><td class="paramname">idx_ofms</td><td>Dimension index to get OFMs from the weights tensor. </td></tr>
+ <tr><td class="paramdir">[out]</td><td class="paramname">output_multipliers_ptr</td><td>Pointer to the buffer where to store per-channel multipliers. </td></tr>
+ <tr><td class="paramdir">[out]</td><td class="paramname">output_shifts_ptr</td><td>Pointer to the buffer where to store per-channel shifts.</td></tr>
+ </table>
+ </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>min and max values for the quantized data type </dd></dl>
+
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00176">176</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+<div class="fragment"><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_filters = <a class="code" href="namespacearm__compute.xhtml#a84437d80241f6a31e1a07c231ee8e3ac">is_data_type_quantized_per_channel</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">weights</a>->data_type()) ? <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">weights</a>->dimension(idx_ofms) : 1;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> UniformQuantizationInfo iq_info = <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>->quantization_info().uniform();</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">const</span> QuantizationInfo wq_info = <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">weights</a>->quantization_info();</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">const</span> UniformQuantizationInfo oq_info = output->quantization_info().uniform();</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < num_filters; ++i)</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">int</span> output_multiplier = 0;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">int</span> output_shift = 0;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> multiplier = iq_info.scale * wq_info.scale()[i] / oq_info.scale;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(multiplier > 1.0f);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a>(multiplier, &output_multiplier, &output_shift);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  output_multipliers_ptr[i] = output_multiplier;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  output_shifts_ptr[i] = output_shift;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> }</div><div class="ttc" id="_error_8h_xhtml_a54a6080c9f4df1f908e57a9bbb46f5da"><div class="ttname"><a href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true then an error message is printed and an exception thrown.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00466">Error.h:466</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a8fcf2ddd9a1d58b1b280f5c0aed71845"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a8fcf2ddd9a1d58b1b280f5c0aed71845">arm_compute::test::validation::input</a></div><div class="ttdeci">auto input</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00487">LSTMLayerQuantized.cpp:487</a></div></div>
+<div class="ttc" id="namespacearm__compute_xhtml_a84437d80241f6a31e1a07c231ee8e3ac"><div class="ttname"><a href="namespacearm__compute.xhtml#a84437d80241f6a31e1a07c231ee8e3ac">arm_compute::is_data_type_quantized_per_channel</a></div><div class="ttdeci">bool is_data_type_quantized_per_channel(DataType dt)</div><div class="ttdoc">Check if a given data type is of per channel type.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_utils_8h_source.xhtml#l01082">Utils.h:1082</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a64a08a9fec5aeee8650e7182b6d171d0"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">arm_compute::test::validation::weights</a></div><div class="ttdeci">CLTensor weights</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_convolution_layer_8cpp_source.xhtml#l00180">ConvolutionLayer.cpp:180</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_aa7f38ca13336118049b3e1db4d9f4623"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">arm_compute::quantization::calculate_quantized_multiplier_less_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier with value less than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00052">AsymmHelpers.cpp:52</a></div></div>
+</div><!-- fragment -->
+<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00466">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, <a class="el" href="_c_l_2_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00487">arm_compute::test::validation::input</a>, <a class="el" href="arm__compute_2core_2_utils_8h_source.xhtml#l01082">arm_compute::is_data_type_quantized_per_channel()</a>, <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml#a3f3e1a3200223e6a304a533b1016e749">ITensorInfo::quantization_info()</a>, <a class="el" href="_quantization_info_8h_source.xhtml#l00062">UniformQuantizationInfo::scale</a>, <a class="el" href="_quantization_info_8h_source.xhtml#l00122">QuantizationInfo::scale()</a>, <a class="el" href="_quantization_info_8h_source.xhtml#l00146">QuantizationInfo::uniform()</a>, and <a class="el" href="validation_2_c_l_2_convolution_layer_8cpp_source.xhtml#l00180">arm_compute::test::validation::weights</a>.</p>
+
+<p class="reference">Referenced by <a class="el" href="_c_l_g_e_m_m_convolution_layer_8cpp_source.xhtml#l00181">CLGEMMConvolutionLayer::configure()</a>, and <a class="el" href="_c_l_g_e_m_m_convolution_layer_8cpp_source.xhtml#l00400">CLGEMMConvolutionLayer::validate()</a>.</p>
+
+</div>
+</div>
+<a id="ab8860c9932b57a5066c460ea310e1bc4"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ab8860c9932b57a5066c460ea310e1bc4">◆ </a></span>get_min_max_values_from_quantized_data_type()</h2>
+
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">std::pair< int, int > get_min_max_values_from_quantized_data_type </td>
+ <td>(</td>
+ <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> </td>
+ <td class="paramname"><em>data_type</em></td><td>)</td>
+ <td></td>
+ </tr>
+ </table>
+</div><div class="memdoc">
+
+<p>Get minimum and maximum values for the input quantized data type. </p>
+<dl class="section return"><dt>Returns</dt><dd>min and max values for the quantized data type </dd></dl>
+
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00149">149</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+<div class="fragment"><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">int</span> min_quant_val = 0;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">int</span> max_quant_val = 0;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">switch</span>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a5f5b6c4337eac9e2e0046ca2304d80dc">data_type</a>)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">case</span> DataType::QASYMM8:</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  min_quant_val = std::numeric_limits<uint8_t>::min();</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  max_quant_val = std::numeric_limits<uint8_t>::max();</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">case</span> DataType::QSYMM8:</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  min_quant_val = std::numeric_limits<int8_t>::min();</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  max_quant_val = std::numeric_limits<int8_t>::max();</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">case</span> DataType::QASYMM16:</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  min_quant_val = std::numeric_limits<uint16_t>::min();</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  max_quant_val = std::numeric_limits<uint16_t>::max();</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">case</span> DataType::QSYMM16:</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  min_quant_val = std::numeric_limits<int16_t>::min();</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  max_quant_val = std::numeric_limits<int16_t>::max();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="_error_8h.xhtml#a7cf8d8b669b8f7b05680230be30d60f4">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">"Unsupported data type"</span>);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> std::make_pair(min_quant_val, max_quant_val);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div><div class="ttc" id="_error_8h_xhtml_a7cf8d8b669b8f7b05680230be30d60f4"><div class="ttname"><a href="_error_8h.xhtml#a7cf8d8b669b8f7b05680230be30d60f4">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(msg)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00352">Error.h:352</a></div></div>
+<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a5f5b6c4337eac9e2e0046ca2304d80dc"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a5f5b6c4337eac9e2e0046ca2304d80dc">arm_compute::test::validation::data_type</a></div><div class="ttdeci">data_type</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_arithmetic_addition_8cpp_source.xhtml#l00135">ArithmeticAddition.cpp:135</a></div></div>
+</div><!-- fragment -->
+<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00352">ARM_COMPUTE_ERROR</a>, <a class="el" href="_c_l_2_arithmetic_addition_8cpp_source.xhtml#l00135">arm_compute::test::validation::data_type</a>, <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a3b989c6b5398b3b9538ad103a324205e">arm_compute::QASYMM16</a>, <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6af14462d71aa842202c3e4b272c7ec924">arm_compute::QASYMM8</a>, <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a3ca8a4ea8f992df3b462bc7b24d097c6">arm_compute::QSYMM16</a>, and <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a5f007421a4becd11c0666c2058b0b36c">arm_compute::QSYMM8</a>.</p>
+
+<p class="reference">Referenced by <a class="el" href="_c_l_quantization_layer_kernel_8cpp_source.xhtml#l00082">CLQuantizationLayerKernel::configure()</a>.</p>
+
+</div>
+</div>
+<h2 class="groupheader">Variable Documentation</h2>
+<a id="a552dc3787d7ea1675f3e4e8993501d58"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a552dc3787d7ea1675f3e4e8993501d58">◆ </a></span>epsilon</h2>
+
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">constexpr float epsilon = 0.00001f</td>
+ </tr>
+ </table>
+</div><div class="memdoc">
+
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00036">36</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+
+<p class="reference">Referenced by <a class="el" href="_graph_builder_8cpp_source.xhtml#l00142">GraphBuilder::add_batch_normalization_node()</a>, <a class="el" href="validation_2reference_2_batch_normalization_layer_8cpp_source.xhtml#l00040">arm_compute::test::validation::reference::batch_normalization_layer()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00032">CLMeanStdDevNormalizationLayer::configure()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00031">NEMeanStdDevNormalizationLayer::configure()</a>, <a class="el" href="_c_l_instance_normalization_layer_8cpp_source.xhtml#l00035">CLInstanceNormalizationLayer::configure()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00085">CLMeanStdDevNormalizationKernel::configure()</a>, <a class="el" href="_n_e_l2_normalize_layer_8cpp_source.xhtml#l00041">NEL2NormalizeLayer::configure()</a>, <a class="el" href="_c_l_instance_normalization_layer_kernel_8cpp_source.xhtml#l00081">CLInstanceNormalizationLayerKernel::configure()</a>, <a class="el" href="_g_c_batch_normalization_layer_8cpp_source.xhtml#l00040">GCBatchNormalizationLayer::configure()</a>, <a class="el" href="_n_e_instance_normalization_layer_8cpp_source.xhtml#l00036">NEInstanceNormalizationLayer::configure()</a>, <a class="el" href="_c_l_l2_normalize_layer_kernel_8cpp_source.xhtml#l00098">CLL2NormalizeLayerKernel::configure()</a>, <a class="el" href="_c_l_l2_normalize_layer_8cpp_source.xhtml#l00047">CLL2NormalizeLayer::configure()</a>, <a class="el" href="_c_l_batch_normalization_layer_8cpp_source.xhtml#l00040">CLBatchNormalizationLayer::configure()</a>, <a class="el" href="_n_e_batch_normalization_layer_8cpp_source.xhtml#l00040">NEBatchNormalizationLayer::configure()</a>, <a class="el" href="_n_e_instance_normalization_layer_kernel_8cpp_source.xhtml#l00182">NEInstanceNormalizationLayerKernel::configure()</a>, <a class="el" href="_g_c_batch_normalization_layer_kernel_8cpp_source.xhtml#l00139">GCBatchNormalizationLayerKernel::configure()</a>, <a class="el" href="_c_l_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00107">CLFuseBatchNormalizationKernel::configure()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00154">NEMeanStdDevNormalizationKernel::configure()</a>, <a class="el" href="_c_l_batch_normalization_layer_kernel_8cpp_source.xhtml#l00139">CLBatchNormalizationLayerKernel::configure()</a>, <a class="el" href="_c_l_fuse_batch_normalization_8cpp_source.xhtml#l00039">CLFuseBatchNormalization::configure()</a>, <a class="el" href="_n_e_fuse_batch_normalization_8cpp_source.xhtml#l00039">NEFuseBatchNormalization::configure()</a>, <a class="el" href="_n_e_batch_normalization_layer_kernel_8cpp_source.xhtml#l00411">NEBatchNormalizationLayerKernel::configure()</a>, <a class="el" href="_n_e_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00422">NEFuseBatchNormalizationKernel::configure()</a>, <a class="el" href="_fused_depthwise_convolution_batch_normalization_function_8h_source.xhtml#l00070">FusedDepthwiseConvolutionBatchNormalizationFunction< TargetInfo, FusedLayerTypes >::configure()</a>, <a class="el" href="_fused_convolution_batch_normalization_function_8h_source.xhtml#l00072">FusedConvolutionBatchNormalizationFunction< TargetInfo, FusedLayerTypes >::configure()</a>, <a class="el" href="_n_e_optical_flow_8cpp_source.xhtml#l00055">NEOpticalFlow::configure()</a>, <a class="el" href="_c_l_optical_flow_8cpp_source.xhtml#l00060">CLOpticalFlow::configure()</a>, <a class="el" href="_c_l_l_k_tracker_kernel_8cpp_source.xhtml#l00213">CLLKTrackerStage1Kernel::configure()</a>, <a class="el" href="_function_helpers_8h_source.xhtml#l00137">arm_compute::graph::backends::detail::create_batch_normalization_layer()</a>, <a class="el" href="_function_helpers_8h_source.xhtml#l00182">arm_compute::graph::backends::detail::create_fused_convolution_batch_normalization_layer()</a>, <a class="el" href="_function_helpers_8h_source.xhtml#l00239">arm_compute::graph::backends::detail::create_fused_depthwise_convolution_batch_normalization_layer()</a>, <a class="el" href="_assets_library_8h_source.xhtml#l00504">AssetsLibrary::fill_boxes()</a>, <a class="el" href="reference_2_fuse_batch_normalization_8cpp_source.xhtml#l00067">arm_compute::test::validation::reference::fuse_batch_normalization_conv_layer()</a>, <a class="el" href="reference_2_fuse_batch_normalization_8cpp_source.xhtml#l00035">arm_compute::test::validation::reference::fuse_batch_normalization_dwc_layer()</a>, <a class="el" href="_node_fusion_mutator_8cpp_source.xhtml#l00043">arm_compute::graph::detail::fuse_convolution_with_batch_normalization()</a>, <a class="el" href="_node_fusion_mutator_8cpp_source.xhtml#l00136">arm_compute::graph::detail::fuse_depthwise_convolution_with_batch_normalization()</a>, <a class="el" href="reference_2_instance_normalization_layer_8cpp_source.xhtml#l00040">arm_compute::test::validation::reference::instance_normalization()</a>, <a class="el" href="float__ops_8h_source.xhtml#l00097">arm_compute::helpers::float_ops::is_one()</a>, <a class="el" href="float__ops_8h_source.xhtml#l00109">arm_compute::helpers::float_ops::is_zero()</a>, <a class="el" href="validation_2reference_2_l2_normalize_layer_8cpp_source.xhtml#l00051">arm_compute::test::validation::reference::l2_normalize()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00051">l2_normalize_x()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00094">l2_normalize_y()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00145">l2_normalize_z()</a>, <a class="el" href="optical__flow__pyramid__lk_8cl_source.xhtml#l00361">lktracker_stage1()</a>, <a class="el" href="_validation_8h_source.xhtml#l00335">compare< RelativeTolerance< U > >::operator bool()</a>, <a class="el" href="_random_8h_source.xhtml#l00059">RangedUniformDistribution< T >::RangedUniformDistribution()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00039">CLMeanStdDevNormalizationLayer::validate()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00038">NEMeanStdDevNormalizationLayer::validate()</a>, <a class="el" href="_c_l_instance_normalization_layer_8cpp_source.xhtml#l00042">CLInstanceNormalizationLayer::validate()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00123">CLMeanStdDevNormalizationKernel::validate()</a>, <a class="el" href="_n_e_l2_normalize_layer_8cpp_source.xhtml#l00055">NEL2NormalizeLayer::validate()</a>, <a class="el" href="_c_l_instance_normalization_layer_kernel_8cpp_source.xhtml#l00116">CLInstanceNormalizationLayerKernel::validate()</a>, <a class="el" href="_n_e_instance_normalization_layer_8cpp_source.xhtml#l00065">NEInstanceNormalizationLayer::validate()</a>, <a class="el" href="_c_l_l2_normalize_layer_8cpp_source.xhtml#l00064">CLL2NormalizeLayer::validate()</a>, <a class="el" href="_n_e_instance_normalization_layer_kernel_8cpp_source.xhtml#l00216">NEInstanceNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_l2_normalize_layer_kernel_8cpp_source.xhtml#l00153">CLL2NormalizeLayerKernel::validate()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00187">NEMeanStdDevNormalizationKernel::validate()</a>, <a class="el" href="_c_l_batch_normalization_layer_8cpp_source.xhtml#l00046">CLBatchNormalizationLayer::validate()</a>, <a class="el" href="_n_e_batch_normalization_layer_8cpp_source.xhtml#l00047">NEBatchNormalizationLayer::validate()</a>, <a class="el" href="_g_c_batch_normalization_layer_kernel_8cpp_source.xhtml#l00191">GCBatchNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_batch_normalization_layer_kernel_8cpp_source.xhtml#l00207">CLBatchNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00168">CLFuseBatchNormalizationKernel::validate()</a>, <a class="el" href="_n_e_batch_normalization_layer_kernel_8cpp_source.xhtml#l00456">NEBatchNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_fuse_batch_normalization_8cpp_source.xhtml#l00047">CLFuseBatchNormalization::validate()</a>, <a class="el" href="_n_e_fuse_batch_normalization_8cpp_source.xhtml#l00047">NEFuseBatchNormalization::validate()</a>, and <a class="el" href="_n_e_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00498">NEFuseBatchNormalizationKernel::validate()</a>.</p>
+
+</div>
+</div>
+<a id="ab153bd5bebd2a695c5d2c79801d0abec"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ab153bd5bebd2a695c5d2c79801d0abec">◆ </a></span>fixed_point_one_Q0</h2>
+
+<div class="memitem">
+<div class="memproto">
+ <table class="memname">
+ <tr>
+ <td class="memname">constexpr int64_t fixed_point_one_Q0 = (1LL << 31)</td>
+ </tr>
+ </table>
+</div><div class="memdoc">
+
+<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">35</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
+
+<p class="reference">Referenced by <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00090">calculate_quantized_multiplier_greater_than_one()</a>, and <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>.</p>
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@@ -228,7 +505,7 @@
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