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117 <a href="#func-members">Functions</a> </div>
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119 <div class="title">warp_helpers.h File Reference</div> </div>
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122 <div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br />
124 <p><a href="warp__helpers_8h_source.xhtml">Go to the source code of this file.</a></p>
125 <table class="memberdecls">
126 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
127 Functions</h2></td></tr>
128 <tr class="memitem:aaef9851523cbc6f833700f0eb572002b"><td class="memItemLeft" align="right" valign="top">const float8 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a> (float8 coords, const float width, const float height, const float border_size)</td></tr>
129 <tr class="memdesc:aaef9851523cbc6f833700f0eb572002b"><td class="mdescLeft"> </td><td class="mdescRight">Clamps the given coordinates to the borders according to the border size. <a href="#aaef9851523cbc6f833700f0eb572002b">More...</a><br /></td></tr>
130 <tr class="separator:aaef9851523cbc6f833700f0eb572002b"><td class="memSeparator" colspan="2"> </td></tr>
131 <tr class="memitem:adbdf2ca9e8fe0b67f9359929ef743126"><td class="memItemLeft" align="right" valign="top">const float8 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#adbdf2ca9e8fe0b67f9359929ef743126">clamp_to_border</a> (float8 coords, const float width, const float height)</td></tr>
132 <tr class="memdesc:adbdf2ca9e8fe0b67f9359929ef743126"><td class="mdescLeft"> </td><td class="mdescRight">Clamps the given coordinates to the borders. <a href="#adbdf2ca9e8fe0b67f9359929ef743126">More...</a><br /></td></tr>
133 <tr class="separator:adbdf2ca9e8fe0b67f9359929ef743126"><td class="memSeparator" colspan="2"> </td></tr>
134 <tr class="memitem:aba42442a4c991cdbb52727fa370676f1"><td class="memItemLeft" align="right" valign="top">const DATA_TYPE4 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#aba42442a4c991cdbb52727fa370676f1">read_texels4</a> (const <a class="el" href="struct_image.xhtml">Image</a> *in, const int8 coords)</td></tr>
135 <tr class="memdesc:aba42442a4c991cdbb52727fa370676f1"><td class="mdescLeft"> </td><td class="mdescRight">Reads four texels from the input image. <a href="#aba42442a4c991cdbb52727fa370676f1">More...</a><br /></td></tr>
136 <tr class="separator:aba42442a4c991cdbb52727fa370676f1"><td class="memSeparator" colspan="2"> </td></tr>
137 <tr class="memitem:a4caaeeb51ea58015267a9974675226d1"><td class="memItemLeft" align="right" valign="top">const float2 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#a4caaeeb51ea58015267a9974675226d1">get_current_coords</a> ()</td></tr>
138 <tr class="memdesc:a4caaeeb51ea58015267a9974675226d1"><td class="mdescLeft"> </td><td class="mdescRight">Returns the current thread coordinates. <a href="#a4caaeeb51ea58015267a9974675226d1">More...</a><br /></td></tr>
139 <tr class="separator:a4caaeeb51ea58015267a9974675226d1"><td class="memSeparator" colspan="2"> </td></tr>
140 <tr class="memitem:a2d8047717d6464cad02c5979d09576db"><td class="memItemLeft" align="right" valign="top">const float8 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#a2d8047717d6464cad02c5979d09576db">get_neighbour_coords</a> (const float2 coord)</td></tr>
141 <tr class="memdesc:a2d8047717d6464cad02c5979d09576db"><td class="mdescLeft"> </td><td class="mdescRight">Given a texel coordinates this function will return the following array of coordinates: [ P, right neighbour, below neighbour, below right neighbour ]. <a href="#a2d8047717d6464cad02c5979d09576db">More...</a><br /></td></tr>
142 <tr class="separator:a2d8047717d6464cad02c5979d09576db"><td class="memSeparator" colspan="2"> </td></tr>
143 <tr class="memitem:a8eda58d341afa44da00ebf47f9349499"><td class="memItemLeft" align="right" valign="top">const DATA_TYPE4 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a> (const <a class="el" href="struct_image.xhtml">Image</a> *in, const float8 coords, const float width, const float height, const float border_size)</td></tr>
144 <tr class="memdesc:a8eda58d341afa44da00ebf47f9349499"><td class="mdescLeft"> </td><td class="mdescRight">Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the values. <a href="#a8eda58d341afa44da00ebf47f9349499">More...</a><br /></td></tr>
145 <tr class="separator:a8eda58d341afa44da00ebf47f9349499"><td class="memSeparator" colspan="2"> </td></tr>
146 <tr class="memitem:abea9f226daf3e0ad741d03cf7417d353"><td class="memItemLeft" align="right" valign="top">const DATA_TYPE4 </td><td class="memItemRight" valign="bottom"><a class="el" href="warp__helpers_8h.xhtml#abea9f226daf3e0ad741d03cf7417d353">bilinear_interpolate</a> (const <a class="el" href="struct_image.xhtml">Image</a> *in, const float8 coords, const float width, const float height)</td></tr>
147 <tr class="memdesc:abea9f226daf3e0ad741d03cf7417d353"><td class="mdescLeft"> </td><td class="mdescRight">Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the values. <a href="#abea9f226daf3e0ad741d03cf7417d353">More...</a><br /></td></tr>
148 <tr class="separator:abea9f226daf3e0ad741d03cf7417d353"><td class="memSeparator" colspan="2"> </td></tr>
150 <h2 class="groupheader">Function Documentation</h2>
151 <a class="anchor" id="abea9f226daf3e0ad741d03cf7417d353"></a>
152 <div class="memitem">
153 <div class="memproto">
154 <table class="mlabels">
156 <td class="mlabels-left">
157 <table class="memname">
159 <td class="memname">const DATA_TYPE4 bilinear_interpolate </td>
161 <td class="paramtype">const <a class="el" href="struct_image.xhtml">Image</a> * </td>
162 <td class="paramname"><em>in</em>, </td>
165 <td class="paramkey"></td>
167 <td class="paramtype">const float8 </td>
168 <td class="paramname"><em>coords</em>, </td>
171 <td class="paramkey"></td>
173 <td class="paramtype">const float </td>
174 <td class="paramname"><em>width</em>, </td>
177 <td class="paramkey"></td>
179 <td class="paramtype">const float </td>
180 <td class="paramname"><em>height</em> </td>
189 <td class="mlabels-right">
190 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
193 </div><div class="memdoc">
195 <p>Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the values. </p>
196 <dl class="params"><dt>Parameters</dt><dd>
197 <table class="params">
198 <tr><td class="paramdir">[in]</td><td class="paramname">in</td><td>Pointer to the source image. </td></tr>
199 <tr><td class="paramdir">[in]</td><td class="paramname">coords</td><td><a class="el" href="struct_vector.xhtml" title="Structure to hold Vector information. ">Vector</a> of four 2D coordinates. Even pos is x and odd y. </td></tr>
200 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the image </td></tr>
201 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the image </td></tr>
206 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00135">135</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
208 <p>References <a class="el" href="warp__helpers_8h_source.xhtml#l00094">bilinear_interpolate_with_border()</a>.</p>
210 <p>Referenced by <a class="el" href="remap_8cl_source.xhtml#l00113">remap_bilinear()</a>, <a class="el" href="warp__affine_8cl_source.xhtml#l00111">warp_affine_bilinear()</a>, and <a class="el" href="warp__perspective_8cl_source.xhtml#l00119">warp_perspective_bilinear()</a>.</p>
211 <div class="fragment"><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <a class="code" href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a>(in, coords, width, height, 1);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div><div class="ttc" id="warp__helpers_8h_xhtml_a8eda58d341afa44da00ebf47f9349499"><div class="ttname"><a href="warp__helpers_8h.xhtml#a8eda58d341afa44da00ebf47f9349499">bilinear_interpolate_with_border</a></div><div class="ttdeci">const DATA_TYPE4 bilinear_interpolate_with_border(const Image *in, const float8 coords, const float width, const float height, const float border_size)</div><div class="ttdoc">Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the ...</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00094">warp_helpers.h:94</a></div></div>
212 </div><!-- fragment -->
215 <a class="anchor" id="a8eda58d341afa44da00ebf47f9349499"></a>
216 <div class="memitem">
217 <div class="memproto">
218 <table class="mlabels">
220 <td class="mlabels-left">
221 <table class="memname">
223 <td class="memname">const DATA_TYPE4 bilinear_interpolate_with_border </td>
225 <td class="paramtype">const <a class="el" href="struct_image.xhtml">Image</a> * </td>
226 <td class="paramname"><em>in</em>, </td>
229 <td class="paramkey"></td>
231 <td class="paramtype">const float8 </td>
232 <td class="paramname"><em>coords</em>, </td>
235 <td class="paramkey"></td>
237 <td class="paramtype">const float </td>
238 <td class="paramname"><em>width</em>, </td>
241 <td class="paramkey"></td>
243 <td class="paramtype">const float </td>
244 <td class="paramname"><em>height</em>, </td>
247 <td class="paramkey"></td>
249 <td class="paramtype">const float </td>
250 <td class="paramname"><em>border_size</em> </td>
259 <td class="mlabels-right">
260 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
263 </div><div class="memdoc">
265 <p>Computes the bilinear interpolation for each set of coordinates in the vector coords and returns the values. </p>
266 <dl class="params"><dt>Parameters</dt><dd>
267 <table class="params">
268 <tr><td class="paramdir">[in]</td><td class="paramname">in</td><td>Pointer to the source image. </td></tr>
269 <tr><td class="paramdir">[in]</td><td class="paramname">coords</td><td><a class="el" href="struct_vector.xhtml" title="Structure to hold Vector information. ">Vector</a> of four 2D coordinates. Even pos is x and odd y. </td></tr>
270 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the image </td></tr>
271 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the image </td></tr>
272 <tr><td class="paramdir">[in]</td><td class="paramname">border_size</td><td>Border size </td></tr>
277 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00094">94</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
279 <p>References <a class="el" href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00118">arm_compute::test::validation::a</a>, <a class="el" href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00119">arm_compute::test::validation::b</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00034">clamp_to_border_with_size()</a>, <a class="el" href="fixed__point_8h_source.xhtml#l00098">CONVERT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00081">get_neighbour_coords()</a>, <a class="el" href="helpers_8h_source.xhtml#l00301">offset()</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
281 <p>Referenced by <a class="el" href="warp__helpers_8h_source.xhtml#l00135">bilinear_interpolate()</a>, and <a class="el" href="scale_8cl_source.xhtml#l00122">scale_bilinear()</a>.</p>
282 <div class="fragment"><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// If any of the 4 texels is out of the image's boundaries we use the border value (REPLICATE or CONSTANT) for any texel out of the image.</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Sets the 4x4 coordinates for each of the four input texels</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> float8 fc = floor(coords);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> float16 c1 = (float16)(</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(<a class="code" href="warp__helpers_8h.xhtml#a2d8047717d6464cad02c5979d09576db">get_neighbour_coords</a>((float2)(fc.s0, fc.s1)), width, height, border_size),</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(<a class="code" href="warp__helpers_8h.xhtml#a2d8047717d6464cad02c5979d09576db">get_neighbour_coords</a>((float2)(fc.s2, fc.s3)), width, height, border_size));</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> float16 c2 = (float16)(</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(<a class="code" href="warp__helpers_8h.xhtml#a2d8047717d6464cad02c5979d09576db">get_neighbour_coords</a>((float2)(fc.s4, fc.s5)), width, height, border_size),</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(<a class="code" href="warp__helpers_8h.xhtml#a2d8047717d6464cad02c5979d09576db">get_neighbour_coords</a>((float2)(fc.s6, fc.s7)), width, height, border_size));</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// Loads the values from the input image</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> float16 t = (float16)(</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">/* tl, tr, bl, br */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  * ((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.s0, c1.s1)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.s2, c1.s3)),</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.s4, c1.s5)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.s6, c1.s7)),</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.s8, c1.s9)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.sa, c1.sb)),</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.sc, c1.sd)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c1.se, c1.sf)),</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.s0, c2.s1)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.s2, c2.s3)),</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.s4, c2.s5)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.s6, c2.s7)),</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.s8, c2.s9)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.sa, c2.sb)),</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.sc, c2.sd)), *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, c2.se, c2.sf)));</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> float8 <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#aac40b7097f2bda9274ae07fa33d15a79">a</a> = coords - fc;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> float8 <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a7b8004eef325a40dd43eb80755610fff">b</a> = ((float8)(1.f)) - a;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> float4 fr = (float4)(</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ((t.s0 * b.s0 * b.s1) + (t.s1 * a.s0 * b.s1) + (t.s2 * b.s0 * a.s1) + (t.s3 * a.s0 * a.s1)),</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  ((t.s4 * b.s2 * b.s3) + (t.s5 * a.s2 * b.s3) + (t.s6 * b.s2 * a.s3) + (t.s7 * a.s2 * a.s3)),</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ((t.s8 * b.s4 * b.s5) + (t.s9 * a.s4 * b.s5) + (t.sa * b.s4 * a.s5) + (t.sb * a.s4 * a.s5)),</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  ((t.sc * b.s6 * b.s7) + (t.sd * a.s6 * b.s7) + (t.se * b.s6 * a.s7) + (t.sf * a.s6 * a.s7)));</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> <a class="code" href="fixed__point_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(fr, <a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4));</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div><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>
283 <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_aac40b7097f2bda9274ae07fa33d15a79"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#aac40b7097f2bda9274ae07fa33d15a79">arm_compute::test::validation::a</a></div><div class="ttdeci">CLTensor a</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00118">GEMM.cpp:118</a></div></div>
284 <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>
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#l00301">helpers.h:301</a></div></div>
286 <div class="ttc" id="warp__helpers_8h_xhtml_a2d8047717d6464cad02c5979d09576db"><div class="ttname"><a href="warp__helpers_8h.xhtml#a2d8047717d6464cad02c5979d09576db">get_neighbour_coords</a></div><div class="ttdeci">const float8 get_neighbour_coords(const float2 coord)</div><div class="ttdoc">Given a texel coordinates this function will return the following array of coordinates: [ P...</div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00081">warp_helpers.h:81</a></div></div>
287 <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>
288 <div class="ttc" id="warp__helpers_8h_xhtml_aaef9851523cbc6f833700f0eb572002b"><div class="ttname"><a href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a></div><div class="ttdeci">const float8 clamp_to_border_with_size(float8 coords, const float width, const float height, const float border_size)</div><div class="ttdoc">Clamps the given coordinates to the borders according to the border size. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00034">warp_helpers.h:34</a></div></div>
289 <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a7b8004eef325a40dd43eb80755610fff"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a7b8004eef325a40dd43eb80755610fff">arm_compute::test::validation::b</a></div><div class="ttdeci">CLTensor b</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_g_e_m_m_8cpp_source.xhtml#l00119">GEMM.cpp:119</a></div></div>
290 </div><!-- fragment -->
293 <a class="anchor" id="adbdf2ca9e8fe0b67f9359929ef743126"></a>
294 <div class="memitem">
295 <div class="memproto">
296 <table class="mlabels">
298 <td class="mlabels-left">
299 <table class="memname">
301 <td class="memname">const float8 clamp_to_border </td>
303 <td class="paramtype">float8 </td>
304 <td class="paramname"><em>coords</em>, </td>
307 <td class="paramkey"></td>
309 <td class="paramtype">const float </td>
310 <td class="paramname"><em>width</em>, </td>
313 <td class="paramkey"></td>
315 <td class="paramtype">const float </td>
316 <td class="paramname"><em>height</em> </td>
325 <td class="mlabels-right">
326 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
329 </div><div class="memdoc">
331 <p>Clamps the given coordinates to the borders. </p>
332 <dl class="params"><dt>Parameters</dt><dd>
333 <table class="params">
334 <tr><td class="paramdir">[in]</td><td class="paramname">coords</td><td><a class="el" href="struct_vector.xhtml" title="Structure to hold Vector information. ">Vector</a> of 2D coordinates to clamp. Even positions are X coords, odd positions are Y coords. </td></tr>
335 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the image </td></tr>
336 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the image </td></tr>
341 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00048">48</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
343 <p>References <a class="el" href="warp__helpers_8h_source.xhtml#l00034">clamp_to_border_with_size()</a>.</p>
345 <p>Referenced by <a class="el" href="remap_8cl_source.xhtml#l00113">remap_bilinear()</a>, <a class="el" href="remap_8cl_source.xhtml#l00059">remap_nearest_neighbour()</a>, <a class="el" href="warp__affine_8cl_source.xhtml#l00079">warp_affine_nearest_neighbour()</a>, and <a class="el" href="warp__perspective_8cl_source.xhtml#l00087">warp_perspective_nearest_neighbour()</a>.</p>
346 <div class="fragment"><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">return</span> <a class="code" href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a>(coords, width, height, 1);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div><div class="ttc" id="warp__helpers_8h_xhtml_aaef9851523cbc6f833700f0eb572002b"><div class="ttname"><a href="warp__helpers_8h.xhtml#aaef9851523cbc6f833700f0eb572002b">clamp_to_border_with_size</a></div><div class="ttdeci">const float8 clamp_to_border_with_size(float8 coords, const float width, const float height, const float border_size)</div><div class="ttdoc">Clamps the given coordinates to the borders according to the border size. </div><div class="ttdef"><b>Definition:</b> <a href="warp__helpers_8h_source.xhtml#l00034">warp_helpers.h:34</a></div></div>
347 </div><!-- fragment -->
350 <a class="anchor" id="aaef9851523cbc6f833700f0eb572002b"></a>
351 <div class="memitem">
352 <div class="memproto">
353 <table class="mlabels">
355 <td class="mlabels-left">
356 <table class="memname">
358 <td class="memname">const float8 clamp_to_border_with_size </td>
360 <td class="paramtype">float8 </td>
361 <td class="paramname"><em>coords</em>, </td>
364 <td class="paramkey"></td>
366 <td class="paramtype">const float </td>
367 <td class="paramname"><em>width</em>, </td>
370 <td class="paramkey"></td>
372 <td class="paramtype">const float </td>
373 <td class="paramname"><em>height</em>, </td>
376 <td class="paramkey"></td>
378 <td class="paramtype">const float </td>
379 <td class="paramname"><em>border_size</em> </td>
388 <td class="mlabels-right">
389 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
392 </div><div class="memdoc">
394 <p>Clamps the given coordinates to the borders according to the border size. </p>
395 <dl class="params"><dt>Parameters</dt><dd>
396 <table class="params">
397 <tr><td class="paramdir">[in]</td><td class="paramname">coords</td><td><a class="el" href="struct_vector.xhtml" title="Structure to hold Vector information. ">Vector</a> of 2D coordinates to clamp. Even positions are X coords, odd positions are Y coords. </td></tr>
398 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Width of the image </td></tr>
399 <tr><td class="paramdir">[in]</td><td class="paramname">height</td><td>Height of the image </td></tr>
400 <tr><td class="paramdir">[in]</td><td class="paramname">border_size</td><td>Border size of the image </td></tr>
405 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00034">34</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
407 <p>References <a class="el" href="utility_8h_source.xhtml#l00080">arm_compute::utility::clamp()</a>.</p>
409 <p>Referenced by <a class="el" href="warp__helpers_8h_source.xhtml#l00094">bilinear_interpolate_with_border()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00048">clamp_to_border()</a>, and <a class="el" href="scale_8cl_source.xhtml#l00086">scale_nearest_neighbour()</a>.</p>
410 <div class="fragment"><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> float4 clamped_x = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(coords.even, 0.0f - border_size, width - 1 + border_size);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">const</span> float4 clamped_y = <a class="code" href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">clamp</a>(coords.odd, 0.0f - border_size, height - 1 + border_size);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">return</span> (float8)(clamped_x.s0, clamped_y.s0, clamped_x.s1, clamped_y.s1, clamped_x.s2, clamped_y.s2, clamped_x.s3, clamped_y.s3);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div><div class="ttc" id="namespacearm__compute_1_1utility_xhtml_a12c3c62f510452805c289e180ec78bb7"><div class="ttname"><a href="namespacearm__compute_1_1utility.xhtml#a12c3c62f510452805c289e180ec78bb7">arm_compute::utility::clamp</a></div><div class="ttdeci">T clamp(const T &n, const T &lower, const T &upper)</div><div class="ttdoc">Performs clamping among a lower and upper value. </div><div class="ttdef"><b>Definition:</b> <a href="utility_8h_source.xhtml#l00080">utility.h:80</a></div></div>
411 </div><!-- fragment -->
414 <a class="anchor" id="a4caaeeb51ea58015267a9974675226d1"></a>
415 <div class="memitem">
416 <div class="memproto">
417 <table class="mlabels">
419 <td class="mlabels-left">
420 <table class="memname">
422 <td class="memname">const float2 get_current_coords </td>
424 <td class="paramname"></td><td>)</td>
429 <td class="mlabels-right">
430 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
433 </div><div class="memdoc">
435 <p>Returns the current thread coordinates. </p>
437 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00067">67</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
439 <p>Referenced by <a class="el" href="scale_8cl_source.xhtml#l00122">scale_bilinear()</a>, <a class="el" href="scale_8cl_source.xhtml#l00086">scale_nearest_neighbour()</a>, <a class="el" href="warp__affine_8cl_source.xhtml#l00111">warp_affine_bilinear()</a>, <a class="el" href="warp__affine_8cl_source.xhtml#l00079">warp_affine_nearest_neighbour()</a>, <a class="el" href="warp__perspective_8cl_source.xhtml#l00119">warp_perspective_bilinear()</a>, and <a class="el" href="warp__perspective_8cl_source.xhtml#l00087">warp_perspective_nearest_neighbour()</a>.</p>
440 <div class="fragment"><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>  <span class="keywordflow">return</span> (float2)(get_global_id(0) * 4, get_global_id(1));</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div></div><!-- fragment -->
443 <a class="anchor" id="a2d8047717d6464cad02c5979d09576db"></a>
444 <div class="memitem">
445 <div class="memproto">
446 <table class="mlabels">
448 <td class="mlabels-left">
449 <table class="memname">
451 <td class="memname">const float8 get_neighbour_coords </td>
453 <td class="paramtype">const float2 </td>
454 <td class="paramname"><em>coord</em></td><td>)</td>
459 <td class="mlabels-right">
460 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
463 </div><div class="memdoc">
465 <p>Given a texel coordinates this function will return the following array of coordinates: [ P, right neighbour, below neighbour, below right neighbour ]. </p>
466 <dl class="section note"><dt>Note</dt><dd>No checks to see if the coordinates are out of the image are done here.</dd></dl>
467 <dl class="params"><dt>Parameters</dt><dd>
468 <table class="params">
469 <tr><td class="paramdir">[in]</td><td class="paramname">coord</td><td>Input coordinates</td></tr>
473 <dl class="section return"><dt>Returns</dt><dd>vector of 8 floats with the coordinates, even positions are x and odd y. </dd></dl>
475 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00081">81</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
477 <p>Referenced by <a class="el" href="warp__helpers_8h_source.xhtml#l00094">bilinear_interpolate_with_border()</a>.</p>
478 <div class="fragment"><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>  <span class="keywordflow">return</span> (float8)(<span class="comment">/*tl*/</span> coord.s0, coord.s1, <span class="comment">/*tr*/</span> coord.s0 + 1, coord.s1, <span class="comment">/*bl*/</span> coord.s0, coord.s1 + 1, <span class="comment">/*br*/</span> coord.s0 + 1, coord.s1 + 1);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> }</div></div><!-- fragment -->
481 <a class="anchor" id="aba42442a4c991cdbb52727fa370676f1"></a>
482 <div class="memitem">
483 <div class="memproto">
484 <table class="mlabels">
486 <td class="mlabels-left">
487 <table class="memname">
489 <td class="memname">const DATA_TYPE4 read_texels4 </td>
491 <td class="paramtype">const <a class="el" href="struct_image.xhtml">Image</a> * </td>
492 <td class="paramname"><em>in</em>, </td>
495 <td class="paramkey"></td>
497 <td class="paramtype">const int8 </td>
498 <td class="paramname"><em>coords</em> </td>
507 <td class="mlabels-right">
508 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
511 </div><div class="memdoc">
513 <p>Reads four texels from the input image. </p>
514 <p>The coords vector is used to determine which texels to be read.</p>
515 <dl class="params"><dt>Parameters</dt><dd>
516 <table class="params">
517 <tr><td class="paramdir">[in]</td><td class="paramname">in</td><td>Pointer to the source image. </td></tr>
518 <tr><td class="paramdir">[in]</td><td class="paramname">coords</td><td><a class="el" href="struct_vector.xhtml" title="Structure to hold Vector information. ">Vector</a> of coordinates to be read from the image. </td></tr>
523 <p>Definition at line <a class="el" href="warp__helpers_8h_source.xhtml#l00058">58</a> of file <a class="el" href="warp__helpers_8h_source.xhtml">warp_helpers.h</a>.</p>
525 <p>References <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="helpers_8h_source.xhtml#l00301">offset()</a>, and <a class="el" href="fixed__point_8h_source.xhtml#l00093">VEC_DATA_TYPE</a>.</p>
527 <p>Referenced by <a class="el" href="remap_8cl_source.xhtml#l00059">remap_nearest_neighbour()</a>, <a class="el" href="scale_8cl_source.xhtml#l00086">scale_nearest_neighbour()</a>, <a class="el" href="warp__affine_8cl_source.xhtml#l00079">warp_affine_nearest_neighbour()</a>, and <a class="el" href="warp__perspective_8cl_source.xhtml#l00087">warp_perspective_nearest_neighbour()</a>.</p>
528 <div class="fragment"><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> (<a class="code" href="fixed__point_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 4))(*((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, coords.s0, coords.s1)),</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, coords.s2, coords.s3)),</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, coords.s4, coords.s5)),</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  *((__global <a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(in, coords.s6, coords.s7)));</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><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>
529 <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#l00301">helpers.h:301</a></div></div>
530 <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>
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539 <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_aebb8dcc11953d78e620bbef0b9e2183.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_8c278f79c760e5c5fbd911f9870614c1.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_25885286e9dad4fa105b7b25a8031bbf.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="warp__helpers_8h.xhtml">warp_helpers.h</a></li>
540 <li class="footer">Generated on Wed Jan 24 2018 14:30:43 for Compute Library by
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