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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 8938bd3f40ea62ff56d6ed4e2db0a8aee34dd64a / . / documentation / minmaxloc_8cl_source.xhtml
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]9<title>Compute Library: src/core/CL/cl_kernels/minmaxloc.cl Source File</title>
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Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]40 <div id="projectname">Compute Library
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115<div class="title">minmaxloc.cl</div> </div>
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame^]118<a href="minmaxloc_8cl.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>
119<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2017 ARM Limited.</span></div>
120<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div>
121<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div>
122<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
123<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>
124<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>
125<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>
126<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>
127<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>
128<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>
129<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> *</span></div>
130<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>
131<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>
132<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div>
133<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>
134<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>
135<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>
136<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>
137<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>
138<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>
139<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * SOFTWARE.</span></div>
140<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> */</span></div>
141<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="helpers_8h.xhtml">helpers.h</a>&quot;</span></div>
142<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="types_8h.xhtml">types.h</a>&quot;</span></div>
143<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
144<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#ifndef DATA_TYPE_MIN</span></div>
145<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a17decce255d6f94a60379a61a54e3bac"> 28</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define DATA_TYPE_MIN 0x0</span></div>
146<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* DATA_TYPE_MIN */</span><span class="preprocessor"></span></div>
147<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor"></span></div>
148<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#ifndef DATA_TYPE_MAX</span></div>
149<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#afa6b114aa46a23bb226c5c9547f9f623"> 32</a></span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define DATA_TYPE_MAX 0xFF</span></div>
150<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* DATA_TYPE_MAX */</span><span class="preprocessor"></span></div>
151<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor"></span></div>
152<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a061903419fb2aff60da86e674c76b96e"> 35</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="minmaxloc_8cl.xhtml#a061903419fb2aff60da86e674c76b96e">FloatFlip</a>(<span class="keywordtype">float</span> val)</div>
153<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;{</div>
154<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">union</span></div>
155<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; {</div>
156<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordtype">int</span> int_val;</div>
157<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordtype">float</span> flt_val;</div>
158<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; } u_val;</div>
159<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; u_val.flt_val = val;</div>
160<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">return</span> (u_val.int_val &gt;= 0) ? u_val.int_val : u_val.int_val ^ 0x7FFFFFFF;</div>
161<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;}</div>
162<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div>
163<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a538b4b63f40e7b12891774e03a4f0dec"> 46</a></span>&#160;__constant <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16) <a class="code" href="minmaxloc_8cl.xhtml#a538b4b63f40e7b12891774e03a4f0dec">type_min</a> = (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16))(<a class="code" href="minmaxloc_8cl.xhtml#a17decce255d6f94a60379a61a54e3bac">DATA_TYPE_MIN</a>);</div>
164<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a4464d6f922ea17b4a9ca6a2cec7ddb75"> 47</a></span>&#160;__constant <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16) <a class="code" href="minmaxloc_8cl.xhtml#a4464d6f922ea17b4a9ca6a2cec7ddb75">type_max</a> = (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16))(<a class="code" href="minmaxloc_8cl.xhtml#afa6b114aa46a23bb226c5c9547f9f623">DATA_TYPE_MAX</a>);</div>
165<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a5a67e1e00d711339bef1e10f0984227c"> 48</a></span>&#160;__constant int16 <a class="code" href="minmaxloc_8cl.xhtml#a5a67e1e00d711339bef1e10f0984227c">idx16</a> = (int16)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);</div>
166<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;</div>
167<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a39543da04d64203794856acc059d6345"> 65</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="minmaxloc_8cl.xhtml#a39543da04d64203794856acc059d6345">minmax</a>(</div>
168<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(src),</div>
169<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; __global <span class="keywordtype">int</span> *min_max,</div>
170<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordtype">int</span> width)</div>
171<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;{</div>
172<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div>
173<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
174<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">// Initialize local minimum and local maximum</span></div>
175<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div>
176<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; local_min = <a class="code" href="minmaxloc_8cl.xhtml#a4464d6f922ea17b4a9ca6a2cec7ddb75">type_max</a>;</div>
177<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div>
178<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; local_max = <a class="code" href="minmaxloc_8cl.xhtml#a538b4b63f40e7b12891774e03a4f0dec">type_min</a>;</div>
179<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
180<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment">// Calculate min/max of row</span></div>
181<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordtype">int</span> i = 0;</div>
182<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">for</span>(; i + 16 &lt;= width; i += 16)</div>
183<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; {</div>
184<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div>
185<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; data = vload16(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, i, 0));</div>
186<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; local_min = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(data, local_min);</div>
187<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; local_max = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(data, local_max);</div>
188<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</div>
189<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div>
190<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="preprocessor">#ifdef NON_MULTIPLE_OF_16</span></div>
191<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="preprocessor"></span> <span class="comment">// Handle non multiple of 16</span></div>
192<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div>
193<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; data = vload16(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, i, 0));</div>
194<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="preprocessor">#ifdef IS_DATA_TYPE_FLOAT</span></div>
195<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="preprocessor"></span> int16 valid_indices = (i + <a class="code" href="minmaxloc_8cl.xhtml#a5a67e1e00d711339bef1e10f0984227c">idx16</a>) &lt; width;</div>
196<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* IS_DATA_TYPE_FLOAT */</span><span class="preprocessor"></span></div>
197<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor"></span> <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div>
198<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; valid_indices = <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>((i + <a class="code" href="minmaxloc_8cl.xhtml#a5a67e1e00d711339bef1e10f0984227c">idx16</a>) &lt; width, <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16));</div>
199<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* IS_DATA_TYPE_FLOAT */</span><span class="preprocessor"></span></div>
200<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"></span> local_max = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(local_max, select(<a class="code" href="minmaxloc_8cl.xhtml#a538b4b63f40e7b12891774e03a4f0dec">type_min</a>, data, valid_indices));</div>
201<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; local_min = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(local_min, select(<a class="code" href="minmaxloc_8cl.xhtml#a4464d6f922ea17b4a9ca6a2cec7ddb75">type_max</a>, data, valid_indices));</div>
202<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* NON_MULTIPLE_OF_16 */</span><span class="preprocessor"></span></div>
203<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor"></span></div>
204<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="comment">// Perform min/max reduction</span></div>
205<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; local_min.s01234567 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(local_min.s01234567, local_min.s89ABCDEF);</div>
206<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; local_max.s01234567 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(local_max.s01234567, local_max.s89ABCDEF);</div>
207<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
208<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; local_min.s0123 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(local_min.s0123, local_min.s4567);</div>
209<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; local_max.s0123 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(local_max.s0123, local_max.s4567);</div>
210<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div>
211<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; local_min.s01 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(local_min.s01, local_min.s23);</div>
212<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; local_max.s01 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(local_max.s01, local_max.s23);</div>
213<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div>
214<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; local_min.s0 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">min</a>(local_min.s0, local_min.s1);</div>
215<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; local_max.s0 = <a class="code" href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">max</a>(local_max.s0, local_max.s1);</div>
216<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
217<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// Update global min/max</span></div>
218<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="preprocessor">#ifdef IS_DATA_TYPE_FLOAT</span></div>
219<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="preprocessor"></span> atomic_min(&amp;min_max[0], <a class="code" href="minmaxloc_8cl.xhtml#a061903419fb2aff60da86e674c76b96e">FloatFlip</a>(local_min.s0));</div>
220<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; atomic_max(&amp;min_max[1], <a class="code" href="minmaxloc_8cl.xhtml#a061903419fb2aff60da86e674c76b96e">FloatFlip</a>(local_max.s0));</div>
221<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* IS_DATA_TYPE_FLOAT */</span><span class="preprocessor"></span></div>
222<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="preprocessor"></span> atomic_min(&amp;min_max[0], local_min.s0);</div>
223<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; atomic_max(&amp;min_max[1], local_max.s0);</div>
224<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* IS_DATA_TYPE_FLOAT */</span><span class="preprocessor"></span></div>
225<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="preprocessor"></span>}</div>
226<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
227<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="minmaxloc_8cl.xhtml#a31ce1a75df24b2037dc76f1748236579"> 143</a></span>&#160;__kernel <span class="keywordtype">void</span> <a class="code" href="minmaxloc_8cl.xhtml#a31ce1a75df24b2037dc76f1748236579">minmaxloc</a>(</div>
228<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <a class="code" href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a>(src),</div>
229<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; __global <span class="keywordtype">int</span> *min_max,</div>
230<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; __global uint *min_max_count</div>
231<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;#ifdef LOCATE_MIN</div>
232<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; ,</div>
233<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; __global <a class="code" href="struct_coordinates2_d.xhtml">Coordinates2D</a> *min_loc, uint max_min_loc_count</div>
234<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;#endif <span class="comment">/* LOCATE_MIN */</span></div>
235<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;#ifdef LOCATE_MAX</div>
236<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; ,</div>
237<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; __global <a class="code" href="struct_coordinates2_d.xhtml">Coordinates2D</a> *max_loc, uint max_max_loc_count</div>
238<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;#endif <span class="comment">/* LOCATE_MAX */</span></div>
239<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;)</div>
240<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;{</div>
241<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div>
242<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;</div>
243<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="preprocessor">#ifdef IS_DATA_TYPE_FLOAT</span></div>
244<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;<span class="preprocessor"></span> __global <span class="keywordtype">float</span> *min_max_ptr = (__global <span class="keywordtype">float</span> *)min_max;</div>
245<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordtype">float</span> min_value = min_max_ptr[0];</div>
246<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">float</span> max_value = min_max_ptr[1];</div>
247<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="preprocessor">#else </span><span class="comment">/* IS_DATA_TYPE_FLOAT */</span><span class="preprocessor"></span></div>
248<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="preprocessor"></span> <span class="keywordtype">int</span> min_value = min_max[0];</div>
249<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordtype">int</span> max_value = min_max[1];</div>
250<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* IS_DATA_TYPE_FLOAT */</span><span class="preprocessor"></span></div>
251<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="preprocessor"></span></div>
252<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> <a class="code" href="hwc_8hpp.xhtml#a0f61d63b009d0880a89c843bd50d8d76">value</a> = *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)src.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div>
253<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="preprocessor">#ifdef COUNT_MIN_MAX</span></div>
254<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;<span class="preprocessor"></span> <span class="keywordflow">if</span>(value == min_value)</div>
255<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; {</div>
256<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; uint idx = atomic_inc(&amp;min_max_count[0]);</div>
257<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;<span class="preprocessor">#ifdef LOCATE_MIN</span></div>
258<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="preprocessor"></span> <span class="keywordflow">if</span>(idx &lt; max_min_loc_count)</div>
259<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; {</div>
260<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; min_loc[idx].x = get_global_id(0);</div>
261<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; min_loc[idx].y = get_global_id(1);</div>
262<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; }</div>
263<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* LOCATE_MIN */</span><span class="preprocessor"></span></div>
264<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="preprocessor"></span> }</div>
265<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keywordflow">if</span>(value == max_value)</div>
266<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; {</div>
267<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; uint idx = atomic_inc(&amp;min_max_count[1]);</div>
268<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="preprocessor">#ifdef LOCATE_MAX</span></div>
269<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;<span class="preprocessor"></span> <span class="keywordflow">if</span>(idx &lt; max_max_loc_count)</div>
270<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; {</div>
271<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; max_loc[idx].x = get_global_id(0);</div>
272<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; max_loc[idx].y = get_global_id(1);</div>
273<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
274<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* LOCATE_MAX */</span><span class="preprocessor"></span></div>
275<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;<span class="preprocessor"></span> }</div>
276<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* COUNT_MIN_MAX */</span><span class="preprocessor"></span></div>
277<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;<span class="preprocessor"></span>}</div>
278<div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_aabcf39e3917f842dbc5fbb0d802f24d5"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#aabcf39e3917f842dbc5fbb0d802f24d5">arm_compute::test::fixed_point_arithmetic::detail::min</a></div><div class="ttdeci">fixed_point&lt; T &gt; min(fixed_point&lt; T &gt; x, fixed_point&lt; T &gt; y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00884">FixedPoint.h:884</a></div></div>
279<div class="ttc" id="fixed__point_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00098">fixed_point.h:98</a></div></div>
280<div class="ttc" id="minmaxloc_8cl_xhtml_a5a67e1e00d711339bef1e10f0984227c"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a5a67e1e00d711339bef1e10f0984227c">idx16</a></div><div class="ttdeci">__constant int16 idx16</div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00048">minmaxloc.cl:48</a></div></div>
Anthony Barbierdbdab852017-06-23 15:42:00 +0100[diff] [blame]281<div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]282<div class="ttc" id="minmaxloc_8cl_xhtml_afa6b114aa46a23bb226c5c9547f9f623"><div class="ttname"><a href="minmaxloc_8cl.xhtml#afa6b114aa46a23bb226c5c9547f9f623">DATA_TYPE_MAX</a></div><div class="ttdeci">#define DATA_TYPE_MAX</div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00032">minmaxloc.cl:32</a></div></div>
283<div class="ttc" id="struct_coordinates2_d_xhtml"><div class="ttname"><a href="struct_coordinates2_d.xhtml">Coordinates2D</a></div><div class="ttdoc">2D Coordinates structure </div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.xhtml#l00028">types.h:28</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame^]284<div class="ttc" id="helpers_8h_xhtml_a22f42fcf2077d951271df83b55c1a71a"><div class="ttname"><a href="helpers_8h.xhtml#a22f42fcf2077d951271df83b55c1a71a">IMAGE_DECLARATION</a></div><div class="ttdeci">#define IMAGE_DECLARATION(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00057">helpers.h:57</a></div></div>
285<div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00292">helpers.h:292</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]286<div class="ttc" id="helpers_8h_xhtml"><div class="ttname"><a href="helpers_8h.xhtml">helpers.h</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame^]287<div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00093">helpers.h:93</a></div></div>
288<div class="ttc" id="minmaxloc_8cl_xhtml_a31ce1a75df24b2037dc76f1748236579"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a31ce1a75df24b2037dc76f1748236579">minmaxloc</a></div><div class="ttdeci">__kernel void minmaxloc(__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global int *min_max, __global uint *min_max_count, __global Coordinates2D *min_loc, uint max_min_loc_count, __global Coordinates2D *max_loc, uint max_max_loc_count)</div><div class="ttdoc">This function counts the min and max occurrences in an image and tags their position. </div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00143">minmaxloc.cl:143</a></div></div>
289<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00131">helpers.h:131</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]290<div class="ttc" id="types_8h_xhtml"><div class="ttname"><a href="types_8h.xhtml">types.h</a></div></div>
Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame^]291<div class="ttc" id="hwc_8hpp_xhtml_a0f61d63b009d0880a89c843bd50d8d76"><div class="ttname"><a href="hwc_8hpp.xhtml#a0f61d63b009d0880a89c843bd50d8d76">value</a></div><div class="ttdeci">void * value</div><div class="ttdef"><b>Definition:</b> <a href="hwc_8hpp_source.xhtml#l00269">hwc.hpp:269</a></div></div>
292<div class="ttc" id="minmaxloc_8cl_xhtml_a538b4b63f40e7b12891774e03a4f0dec"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a538b4b63f40e7b12891774e03a4f0dec">type_min</a></div><div class="ttdeci">__constant DATA_TYPE16 type_min</div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00046">minmaxloc.cl:46</a></div></div>
293<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00133">helpers.h:133</a></div></div>
294<div class="ttc" id="minmaxloc_8cl_xhtml_a061903419fb2aff60da86e674c76b96e"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a061903419fb2aff60da86e674c76b96e">FloatFlip</a></div><div class="ttdeci">int FloatFlip(float val)</div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00035">minmaxloc.cl:35</a></div></div>
295<div class="ttc" id="fixed__point_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="fixed__point_8h_source.xhtml#l00093">fixed_point.h:93</a></div></div>
296<div class="ttc" id="minmaxloc_8cl_xhtml_a4464d6f922ea17b4a9ca6a2cec7ddb75"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a4464d6f922ea17b4a9ca6a2cec7ddb75">type_max</a></div><div class="ttdeci">__constant DATA_TYPE16 type_max</div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00047">minmaxloc.cl:47</a></div></div>
297<div class="ttc" id="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail_xhtml_ad91bb73431b4de1f4946ed949d444849"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1fixed__point__arithmetic_1_1detail.xhtml#ad91bb73431b4de1f4946ed949d444849">arm_compute::test::fixed_point_arithmetic::detail::max</a></div><div class="ttdeci">fixed_point&lt; T &gt; max(fixed_point&lt; T &gt; x, fixed_point&lt; T &gt; y)</div><div class="ttdef"><b>Definition:</b> <a href="tests_2validation_2_fixed_point_8h_source.xhtml#l00889">FixedPoint.h:889</a></div></div>
298<div class="ttc" id="minmaxloc_8cl_xhtml_a39543da04d64203794856acc059d6345"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a39543da04d64203794856acc059d6345">minmax</a></div><div class="ttdeci">__kernel void minmax(__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global int *min_max, int width)</div><div class="ttdoc">This function identifies the min and maximum value of an input image. </div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00065">minmaxloc.cl:65</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]299<div class="ttc" id="minmaxloc_8cl_xhtml_a17decce255d6f94a60379a61a54e3bac"><div class="ttname"><a href="minmaxloc_8cl.xhtml#a17decce255d6f94a60379a61a54e3bac">DATA_TYPE_MIN</a></div><div class="ttdeci">#define DATA_TYPE_MIN</div><div class="ttdef"><b>Definition:</b> <a href="minmaxloc_8cl_source.xhtml#l00028">minmaxloc.cl:28</a></div></div>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]300</div><!-- fragment --></div><!-- contents -->
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame^]305 <li class="navelem"><a class="el" href="dir_55b5a5006e943fb664ff8cff3cfe7768.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_f6c3ae42d7e27145d0a3c3e38ca1c000.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_1b7ae9123c88e650426d50d95c19d414.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_b7c3d80b0dadb2139bc73b7161751c12.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="minmaxloc_8cl.xhtml">minmaxloc.cl</a></li>
306 <li class="footer">Generated on Thu Sep 28 2017 14:37:50 for Compute Library by
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Kaizen8938bd32017-09-28 14:38:23 +0100[diff] [blame^]308 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]309 </ul>
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