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<div class="title">arm_nnsupportfunctions.h File Reference</div> </div>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">union  </td><td class="memItemRight" valign="bottom"><a class="el" href="unionarm__nnword.html">arm_nnword</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Union for SIMD access of Q31/Q15/Q7 types. <a href="unionarm__nnword.html#details">More...</a><br/></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a2953f124ae444ebdd2b2a0873ac36b7e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a2953f124ae444ebdd2b2a0873ac36b7e">LEFT_SHIFT</a>(_shift)</td></tr>
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<tr class="memitem:a26af54489c1401b91595bf0c92ef87c4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a26af54489c1401b91595bf0c92ef87c4">RIGHT_SHIFT</a>(_shift)</td></tr>
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<tr class="memitem:a1eb725c94dbb052aa24b62321be0445b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a1eb725c94dbb052aa24b62321be0445b">Q31_MIN</a></td></tr>
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<tr class="memitem:a468734b237f1c95a31715aa2b60a576e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a468734b237f1c95a31715aa2b60a576e">Q31_MAX</a></td></tr>
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<tr class="memitem:a4cbd428a2b4a4f6b2a6e4219520c7ce0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a4cbd428a2b4a4f6b2a6e4219520c7ce0">NN_ROUND</a>(out_shift)</td></tr>
<tr class="memdesc:a4cbd428a2b4a4f6b2a6e4219520c7ce0"><td class="mdescLeft"> </td><td class="mdescRight">macro for adding rounding offset <a href="#a4cbd428a2b4a4f6b2a6e4219520c7ce0">More...</a><br/></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:a7f41aa78cd9a0552fae9b348ee4831a0"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a7f41aa78cd9a0552fae9b348ee4831a0">arm_nn_activation_type</a> </td></tr>
<tr class="memdesc:a7f41aa78cd9a0552fae9b348ee4831a0"><td class="mdescLeft"> </td><td class="mdescRight">Struct for specifying activation function types. <a href="arm__nnsupportfunctions_8h.html#a7f41aa78cd9a0552fae9b348ee4831a0">More...</a><br/></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:gae349de4dba8d253c89d45794ccf05680"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__nndata__convert.html#gae349de4dba8d253c89d45794ccf05680">arm_q7_to_q15_no_shift</a> (const q7_t *pSrc, q15_t *pDst, uint32_t blockSize)</td></tr>
<tr class="memdesc:gae349de4dba8d253c89d45794ccf05680"><td class="mdescLeft"> </td><td class="mdescRight">Converts the elements of the Q7 vector to Q15 vector without left-shift. <a href="group__nndata__convert.html#gae349de4dba8d253c89d45794ccf05680">More...</a><br/></td></tr>
<tr class="separator:gae349de4dba8d253c89d45794ccf05680"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaba8fd446d5f54760b406ee63b25d1aee"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__nndata__convert.html#gaba8fd446d5f54760b406ee63b25d1aee">arm_q7_to_q15_reordered_no_shift</a> (const q7_t *pSrc, q15_t *pDst, uint32_t blockSize)</td></tr>
<tr class="memdesc:gaba8fd446d5f54760b406ee63b25d1aee"><td class="mdescLeft"> </td><td class="mdescRight">Converts the elements of the Q7 vector to reordered Q15 vector without left-shift. <a href="group__nndata__convert.html#gaba8fd446d5f54760b406ee63b25d1aee">More...</a><br/></td></tr>
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<tr class="memitem:ga08f8340aa6533271b3aa6d211614fe22"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NNBasicMath.html#ga08f8340aa6533271b3aa6d211614fe22">arm_nn_mult_q15</a> (q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, const uint16_t out_shift, uint32_t blockSize)</td></tr>
<tr class="memdesc:ga08f8340aa6533271b3aa6d211614fe22"><td class="mdescLeft"> </td><td class="mdescRight">Q7 vector multiplication with variable output shifts. <a href="group__NNBasicMath.html#ga08f8340aa6533271b3aa6d211614fe22">More...</a><br/></td></tr>
<tr class="separator:ga08f8340aa6533271b3aa6d211614fe22"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad46c9ab012cceda8ce6681c687a58c70"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NNBasicMath.html#gad46c9ab012cceda8ce6681c687a58c70">arm_nn_mult_q7</a> (q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, const uint16_t out_shift, uint32_t blockSize)</td></tr>
<tr class="memdesc:gad46c9ab012cceda8ce6681c687a58c70"><td class="mdescLeft"> </td><td class="mdescRight">Q7 vector multiplication with variable output shifts. <a href="group__NNBasicMath.html#gad46c9ab012cceda8ce6681c687a58c70">More...</a><br/></td></tr>
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<tr class="memitem:a51721c10f116c9f5b8d9908367989d44"><td class="memItemLeft" align="right" valign="top">__STATIC_FORCEINLINE q31_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#a51721c10f116c9f5b8d9908367989d44">arm_nn_sat_doubling_high_mult</a> (const q31_t m1, const q31_t m2)</td></tr>
<tr class="memdesc:a51721c10f116c9f5b8d9908367989d44"><td class="mdescLeft"> </td><td class="mdescRight">Saturating doubling high multiply. Result matches NEON instruction VQRDMULH. <a href="#a51721c10f116c9f5b8d9908367989d44">More...</a><br/></td></tr>
<tr class="separator:a51721c10f116c9f5b8d9908367989d44"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab6dbc2fd53fae3ccdd1d0d70c8d3b491"><td class="memItemLeft" align="right" valign="top">__STATIC_FORCEINLINE q31_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__nnsupportfunctions_8h.html#ab6dbc2fd53fae3ccdd1d0d70c8d3b491">arm_nn_divide_by_power_of_two</a> (const q31_t dividend, const q31_t exponent)</td></tr>
<tr class="memdesc:ab6dbc2fd53fae3ccdd1d0d70c8d3b491"><td class="mdescLeft"> </td><td class="mdescRight">Rounding divide by power of two. <a href="#ab6dbc2fd53fae3ccdd1d0d70c8d3b491">More...</a><br/></td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define LEFT_SHIFT</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">_shift</td><td>)</td>
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<p>Referenced by <a class="el" href="group__NNConv.html#ga02a296cb4f6361a70c3ecf1ef1238292">arm_depthwise_conv_u8_basic_ver1()</a>.</p>
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<td class="memname">#define NN_ROUND</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">out_shift</td><td>)</td>
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<p>Referenced by <a class="el" href="group__NNConv.html#ga110adcfdaab356c750c6270aa5e05f29">arm_convolve_1x1_HWC_q7_fast_nonsquare()</a>, <a class="el" href="group__NNConv.html#ga55701f213b198084b52eab53097f1f58">arm_convolve_HWC_q15_basic()</a>, <a class="el" href="group__NNConv.html#ga4efb1ccbbaa7dd936961989dcb443f50">arm_convolve_HWC_q15_fast()</a>, <a class="el" href="group__NNConv.html#ga614ec3b71eb96e29952ec3f09e7b9c3c">arm_convolve_HWC_q15_fast_nonsquare()</a>, <a class="el" href="group__NNConv.html#ga210ae8d8fc1d12ee15b41f1fa6947681">arm_convolve_HWC_q7_basic()</a>, <a class="el" href="group__NNConv.html#ga4501fa22c0836002aa47ccc313dce252">arm_convolve_HWC_q7_basic_nonsquare()</a>, <a class="el" href="group__NNConv.html#gae00d3c1285907d59657369fc98bcc83f">arm_convolve_HWC_q7_fast()</a>, <a class="el" href="group__NNConv.html#gabc6d6b991024e9e5c5cdbd7489de88ef">arm_convolve_HWC_q7_fast_nonsquare()</a>, <a class="el" href="group__NNConv.html#ga98f2ead67d7cbdf558b0cd8a3b8fc148">arm_convolve_HWC_q7_RGB()</a>, <a class="el" href="group__NNConv.html#gad3d21b3bc6dbd6f3b97d01104349cb0a">arm_depthwise_separable_conv_HWC_q7()</a>, <a class="el" href="group__NNConv.html#ga32ac508c5467813a84f74f96655dc697">arm_depthwise_separable_conv_HWC_q7_nonsquare()</a>, <a class="el" href="group__FC.html#ga4a1521e7532a1e62d71f3b12762016e2">arm_fully_connected_mat_q7_vec_q15()</a>, <a class="el" href="group__FC.html#gae3857bb6375692e81dde8cbd70adec08">arm_fully_connected_mat_q7_vec_q15_opt()</a>, <a class="el" href="group__FC.html#gaac666c212b209e636c2369dd5c75d0dc">arm_fully_connected_q15()</a>, <a class="el" href="group__FC.html#ga062912078da113f5dd2004fd919a0ff2">arm_fully_connected_q15_opt()</a>, <a class="el" href="group__FC.html#ga8b7e0c2e989e8c75f0dc789f3115323d">arm_fully_connected_q7()</a>, <a class="el" href="group__FC.html#gaf82b71ef472a38f8fc9ac414d9d07e67">arm_fully_connected_q7_opt()</a>, <a class="el" href="arm__nn__mat__mult__kernel__q7__q15_8c.html#abc4fb258cfe8500ee68e812a293a80a3">arm_nn_mat_mult_kernel_q7_q15()</a>, <a class="el" href="arm__nn__mat__mult__kernel__q7__q15__reordered_8c.html#aefe9c7ce9a65060a244b06dffe74c4b3">arm_nn_mat_mult_kernel_q7_q15_reordered()</a>, <a class="el" href="group__NNBasicMath.html#ga08f8340aa6533271b3aa6d211614fe22">arm_nn_mult_q15()</a>, and <a class="el" href="group__NNBasicMath.html#gad46c9ab012cceda8ce6681c687a58c70">arm_nn_mult_q7()</a>.</p>
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<td class="memname">#define Q31_MAX</td>
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<p>Referenced by <a class="el" href="arm__nnsupportfunctions_8h.html#a51721c10f116c9f5b8d9908367989d44">arm_nn_sat_doubling_high_mult()</a>.</p>
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<td class="memname">#define Q31_MIN</td>
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<p>Referenced by <a class="el" href="arm__nnsupportfunctions_8h.html#a51721c10f116c9f5b8d9908367989d44">arm_nn_sat_doubling_high_mult()</a>.</p>
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<td class="memname">#define RIGHT_SHIFT</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">_shift</td><td>)</td>
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<p>Referenced by <a class="el" href="group__NNConv.html#ga02a296cb4f6361a70c3ecf1ef1238292">arm_depthwise_conv_u8_basic_ver1()</a>.</p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="arm__nnsupportfunctions_8h.html#a7f41aa78cd9a0552fae9b348ee4831a0">arm_nn_activation_type</a></td>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="a7f41aa78cd9a0552fae9b348ee4831a0a49b307e029715fbaa6f3101c806b8c54"></a>ARM_SIGMOID</em> </td><td class="fielddoc">
<p>Sigmoid activation function </p>
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<tr><td class="fieldname"><em><a class="anchor" id="a7f41aa78cd9a0552fae9b348ee4831a0ac24e4db95c986f16c10dca71a4b4e1c5"></a>ARM_TANH</em> </td><td class="fielddoc">
<p>Tanh activation function </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">__STATIC_FORCEINLINE q31_t arm_nn_divide_by_power_of_two </td>
<td>(</td>
<td class="paramtype">const q31_t </td>
<td class="paramname"><em>dividend</em>, </td>
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<td class="paramtype">const q31_t </td>
<td class="paramname"><em>exponent</em> </td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">dividend</td><td>- Dividend </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">exponent</td><td>- Divisor = power(2, exponent) Range: [0, 31] </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>Rounded result of division. Midpoint is rounded away from zero. </dd></dl>
<p>Referenced by <a class="el" href="group__NNConv.html#ga02a296cb4f6361a70c3ecf1ef1238292">arm_depthwise_conv_u8_basic_ver1()</a>.</p>
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<td class="memname">__STATIC_FORCEINLINE q31_t arm_nn_sat_doubling_high_mult </td>
<td>(</td>
<td class="paramtype">const q31_t </td>
<td class="paramname"><em>m1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const q31_t </td>
<td class="paramname"><em>m2</em> </td>
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<td></td>
<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">m1</td><td>Multiplicand </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">m2</td><td>Multiplier </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Result of multiplication. </dd></dl>
<p>References <a class="el" href="arm__nnsupportfunctions_8h.html#a468734b237f1c95a31715aa2b60a576e">Q31_MAX</a>, and <a class="el" href="arm__nnsupportfunctions_8h.html#a1eb725c94dbb052aa24b62321be0445b">Q31_MIN</a>.</p>
<p>Referenced by <a class="el" href="group__NNConv.html#ga02a296cb4f6361a70c3ecf1ef1238292">arm_depthwise_conv_u8_basic_ver1()</a>.</p>
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