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<a href="#define-members">Macros</a> |
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">fast_math_functions.h File Reference</div></div>
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</div><!--header-->
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<div class="contents">
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:afcb9147c96853bea484cfc2dde07463d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fast__math__functions_8h.html#afcb9147c96853bea484cfc2dde07463d">FAST_MATH_TABLE_SIZE</a>   512</td></tr>
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<tr class="memdesc:afcb9147c96853bea484cfc2dde07463d"><td class="mdescLeft"> </td><td class="mdescRight">Macros required for SINE and COSINE Fast math approximations. <a href="fast__math__functions_8h.html#afcb9147c96853bea484cfc2dde07463d">More...</a><br /></td></tr>
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<tr class="separator:afcb9147c96853bea484cfc2dde07463d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4268f77b1811a0c7fc2532a0bf6108b0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fast__math__functions_8h.html#a4268f77b1811a0c7fc2532a0bf6108b0">FAST_MATH_Q31_SHIFT</a>   (32 - 10)</td></tr>
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<tr class="separator:a4268f77b1811a0c7fc2532a0bf6108b0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a34716b73c631e65e8dd855e08384ecb2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fast__math__functions_8h.html#a34716b73c631e65e8dd855e08384ecb2">FAST_MATH_Q15_SHIFT</a>   (16 - 10)</td></tr>
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<tr class="separator:a34716b73c631e65e8dd855e08384ecb2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a598a3330b3c21701223ee0ca14316eca"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="fast__math__functions_8h.html#a598a3330b3c21701223ee0ca14316eca">PI</a>   3.14159265358979f</td></tr>
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<tr class="separator:a598a3330b3c21701223ee0ca14316eca"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gae164899c4a3fc0e946dc5d55555fe541"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sin.html#gae164899c4a3fc0e946dc5d55555fe541">arm_sin_f32</a> (<a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> x)</td></tr>
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<tr class="memdesc:gae164899c4a3fc0e946dc5d55555fe541"><td class="mdescLeft"> </td><td class="mdescRight">Fast approximation to the trigonometric sine function for floating-point data. <a href="group__sin.html#gae164899c4a3fc0e946dc5d55555fe541">More...</a><br /></td></tr>
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<tr class="separator:gae164899c4a3fc0e946dc5d55555fe541"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga57aade7d8892585992cdc6375bd82f9c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sin.html#ga57aade7d8892585992cdc6375bd82f9c">arm_sin_q31</a> (<a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> x)</td></tr>
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<tr class="memdesc:ga57aade7d8892585992cdc6375bd82f9c"><td class="mdescLeft"> </td><td class="mdescRight">Fast approximation to the trigonometric sine function for Q31 data. <a href="group__sin.html#ga57aade7d8892585992cdc6375bd82f9c">More...</a><br /></td></tr>
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<tr class="separator:ga57aade7d8892585992cdc6375bd82f9c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1fc6d6640be6cfa688a8bea0a48397ee"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__sin.html#ga1fc6d6640be6cfa688a8bea0a48397ee">arm_sin_q15</a> (<a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> x)</td></tr>
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<tr class="memdesc:ga1fc6d6640be6cfa688a8bea0a48397ee"><td class="mdescLeft"> </td><td class="mdescRight">Fast approximation to the trigonometric sine function for Q15 data. <a href="group__sin.html#ga1fc6d6640be6cfa688a8bea0a48397ee">More...</a><br /></td></tr>
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<tr class="separator:ga1fc6d6640be6cfa688a8bea0a48397ee"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gace15287f9c64b9b4084d1c797d4c49d8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cos.html#gace15287f9c64b9b4084d1c797d4c49d8">arm_cos_f32</a> (<a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> x)</td></tr>
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<tr class="memdesc:gace15287f9c64b9b4084d1c797d4c49d8"><td class="mdescLeft"> </td><td class="mdescRight">Fast approximation to the trigonometric cosine function for floating-point data. <a href="group__cos.html#gace15287f9c64b9b4084d1c797d4c49d8">More...</a><br /></td></tr>
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<tr class="separator:gace15287f9c64b9b4084d1c797d4c49d8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad80f121949ef885a77d83ab36e002567"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cos.html#gad80f121949ef885a77d83ab36e002567">arm_cos_q31</a> (<a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> x)</td></tr>
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<tr class="memdesc:gad80f121949ef885a77d83ab36e002567"><td class="mdescLeft"> </td><td class="mdescRight">Fast approximation to the trigonometric cosine function for Q31 data. <a href="group__cos.html#gad80f121949ef885a77d83ab36e002567">More...</a><br /></td></tr>
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<tr class="separator:gad80f121949ef885a77d83ab36e002567"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gadfd60c24def501638c0d5db20f4c869b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__cos.html#gadfd60c24def501638c0d5db20f4c869b">arm_cos_q15</a> (<a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> x)</td></tr>
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<tr class="memdesc:gadfd60c24def501638c0d5db20f4c869b"><td class="mdescLeft"> </td><td class="mdescRight">Fast approximation to the trigonometric cosine function for Q15 data. <a href="group__cos.html#gadfd60c24def501638c0d5db20f4c869b">More...</a><br /></td></tr>
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<tr class="separator:gadfd60c24def501638c0d5db20f4c869b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1a97d95af11d143b26334c8ff278443e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vlog.html#ga1a97d95af11d143b26334c8ff278443e">arm_vlog_f32</a> (const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:ga1a97d95af11d143b26334c8ff278443e"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point vector of log values. <a href="group__vlog.html#ga1a97d95af11d143b26334c8ff278443e">More...</a><br /></td></tr>
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<tr class="separator:ga1a97d95af11d143b26334c8ff278443e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab6ba4e6a3d382ac68744e4726a220fad"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="fast__math__functions_8h.html#ab6ba4e6a3d382ac68744e4726a220fad">arm_vlog_f64</a> (const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:ab6ba4e6a3d382ac68744e4726a220fad"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point vector of log values. <a href="fast__math__functions_8h.html#ab6ba4e6a3d382ac68744e4726a220fad">More...</a><br /></td></tr>
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<tr class="separator:ab6ba4e6a3d382ac68744e4726a220fad"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga35aac80d9cfc0b7b08382da2117772d1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vlog.html#ga35aac80d9cfc0b7b08382da2117772d1">arm_vlog_q31</a> (const <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:ga35aac80d9cfc0b7b08382da2117772d1"><td class="mdescLeft"> </td><td class="mdescRight">q31 vector of log values. <a href="group__vlog.html#ga35aac80d9cfc0b7b08382da2117772d1">More...</a><br /></td></tr>
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<tr class="separator:ga35aac80d9cfc0b7b08382da2117772d1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6773e6b0b5448e0e409931b4119271dc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vlog.html#ga6773e6b0b5448e0e409931b4119271dc">arm_vlog_q15</a> (const <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:ga6773e6b0b5448e0e409931b4119271dc"><td class="mdescLeft"> </td><td class="mdescRight">q15 vector of log values. <a href="group__vlog.html#ga6773e6b0b5448e0e409931b4119271dc">More...</a><br /></td></tr>
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<tr class="separator:ga6773e6b0b5448e0e409931b4119271dc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa2b569a40e82e69917f9560774f75a91"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vexp.html#gaa2b569a40e82e69917f9560774f75a91">arm_vexp_f32</a> (const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:gaa2b569a40e82e69917f9560774f75a91"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point vector of exp values. <a href="group__vexp.html#gaa2b569a40e82e69917f9560774f75a91">More...</a><br /></td></tr>
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<tr class="separator:gaa2b569a40e82e69917f9560774f75a91"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac5c79a10b36e8a1f2fcaf23b9497e1b2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__vexp.html#gac5c79a10b36e8a1f2fcaf23b9497e1b2">arm_vexp_f64</a> (const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:gac5c79a10b36e8a1f2fcaf23b9497e1b2"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point vector of exp values. <a href="group__vexp.html#gac5c79a10b36e8a1f2fcaf23b9497e1b2">More...</a><br /></td></tr>
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<tr class="separator:gac5c79a10b36e8a1f2fcaf23b9497e1b2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga15e88409f0b53f3a01eff4eb8a8b58c2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SQRT.html#ga15e88409f0b53f3a01eff4eb8a8b58c2">arm_sqrt_f32</a> (const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> in, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pOut)</td></tr>
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<tr class="memdesc:ga15e88409f0b53f3a01eff4eb8a8b58c2"><td class="mdescLeft"> </td><td class="mdescRight">Floating-point square root function. <a href="group__SQRT.html#ga15e88409f0b53f3a01eff4eb8a8b58c2">More...</a><br /></td></tr>
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<tr class="separator:ga15e88409f0b53f3a01eff4eb8a8b58c2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga119e25831e141d734d7ef10636670058"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SQRT.html#ga119e25831e141d734d7ef10636670058">arm_sqrt_q31</a> (<a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> in, <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pOut)</td></tr>
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<tr class="memdesc:ga119e25831e141d734d7ef10636670058"><td class="mdescLeft"> </td><td class="mdescRight">Q31 square root function. <a href="group__SQRT.html#ga119e25831e141d734d7ef10636670058">More...</a><br /></td></tr>
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<tr class="separator:ga119e25831e141d734d7ef10636670058"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga5abe5ca724f3e15849662b03752c1238"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SQRT.html#ga5abe5ca724f3e15849662b03752c1238">arm_sqrt_q15</a> (<a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> in, <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pOut)</td></tr>
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<tr class="memdesc:ga5abe5ca724f3e15849662b03752c1238"><td class="mdescLeft"> </td><td class="mdescRight">Q15 square root function. <a href="group__SQRT.html#ga5abe5ca724f3e15849662b03752c1238">More...</a><br /></td></tr>
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<tr class="separator:ga5abe5ca724f3e15849662b03752c1238"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3d5bc8179cdfb12288d58d99d635e4cb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__divide.html#ga3d5bc8179cdfb12288d58d99d635e4cb">arm_divide_q15</a> (<a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> numerator, <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> denominator, <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *quotient, int16_t *shift)</td></tr>
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<tr class="memdesc:ga3d5bc8179cdfb12288d58d99d635e4cb"><td class="mdescLeft"> </td><td class="mdescRight">Fixed point division. <a href="group__divide.html#ga3d5bc8179cdfb12288d58d99d635e4cb">More...</a><br /></td></tr>
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<tr class="separator:ga3d5bc8179cdfb12288d58d99d635e4cb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga250c0a49bd2e42282f3296d51138a5cb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__divide.html#ga250c0a49bd2e42282f3296d51138a5cb">arm_divide_q31</a> (<a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> numerator, <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> denominator, <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *quotient, int16_t *shift)</td></tr>
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<tr class="memdesc:ga250c0a49bd2e42282f3296d51138a5cb"><td class="mdescLeft"> </td><td class="mdescRight">Fixed point division. <a href="group__divide.html#ga250c0a49bd2e42282f3296d51138a5cb">More...</a><br /></td></tr>
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<tr class="separator:ga250c0a49bd2e42282f3296d51138a5cb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa7fbd2bb45df78860dd3a0293391096f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__atan2.html#gaa7fbd2bb45df78860dd3a0293391096f">arm_atan2_f32</a> (<a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> y, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> x, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *result)</td></tr>
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<tr class="memdesc:gaa7fbd2bb45df78860dd3a0293391096f"><td class="mdescLeft"> </td><td class="mdescRight">Arc tangent in radian of y/x using sign of x and y to determine right quadrant. <a href="group__atan2.html#gaa7fbd2bb45df78860dd3a0293391096f">More...</a><br /></td></tr>
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<tr class="separator:gaa7fbd2bb45df78860dd3a0293391096f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga14e753643307e373abffa6d14ae7a3f3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__atan2.html#ga14e753643307e373abffa6d14ae7a3f3">arm_atan2_q31</a> (<a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> y, <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> x, <a class="el" href="arm__math__types_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *result)</td></tr>
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<tr class="memdesc:ga14e753643307e373abffa6d14ae7a3f3"><td class="mdescLeft"> </td><td class="mdescRight">Arc tangent in radian of y/x using sign of x and y to determine right quadrant. <a href="group__atan2.html#ga14e753643307e373abffa6d14ae7a3f3">More...</a><br /></td></tr>
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<tr class="separator:ga14e753643307e373abffa6d14ae7a3f3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9d424b6eaf16bfc41be3e88335cfb801"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a5e459c6409dfcd2927bb8a57491d7cf6">arm_status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__atan2.html#ga9d424b6eaf16bfc41be3e88335cfb801">arm_atan2_q15</a> (<a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> y, <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> x, <a class="el" href="arm__math__types_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *result)</td></tr>
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<tr class="memdesc:ga9d424b6eaf16bfc41be3e88335cfb801"><td class="mdescLeft"> </td><td class="mdescRight">Arc tangent in radian of y/x using sign of x and y to determine right quadrant. <a href="group__atan2.html#ga9d424b6eaf16bfc41be3e88335cfb801">More...</a><br /></td></tr>
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</table>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<a id="a34716b73c631e65e8dd855e08384ecb2" name="a34716b73c631e65e8dd855e08384ecb2"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a34716b73c631e65e8dd855e08384ecb2">◆ </a></span>FAST_MATH_Q15_SHIFT</h2>
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<td class="memname">#define FAST_MATH_Q15_SHIFT   (16 - 10)</td>
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<a id="a4268f77b1811a0c7fc2532a0bf6108b0" name="a4268f77b1811a0c7fc2532a0bf6108b0"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a4268f77b1811a0c7fc2532a0bf6108b0">◆ </a></span>FAST_MATH_Q31_SHIFT</h2>
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<td class="memname">#define FAST_MATH_Q31_SHIFT   (32 - 10)</td>
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<a id="afcb9147c96853bea484cfc2dde07463d" name="afcb9147c96853bea484cfc2dde07463d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#afcb9147c96853bea484cfc2dde07463d">◆ </a></span>FAST_MATH_TABLE_SIZE</h2>
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<td class="memname">#define FAST_MATH_TABLE_SIZE   512</td>
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<a id="a598a3330b3c21701223ee0ca14316eca" name="a598a3330b3c21701223ee0ca14316eca"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a598a3330b3c21701223ee0ca14316eca">◆ </a></span>PI</h2>
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<td class="memname">#define PI   3.14159265358979f</td>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ab6ba4e6a3d382ac68744e4726a220fad" name="ab6ba4e6a3d382ac68744e4726a220fad"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab6ba4e6a3d382ac68744e4726a220fad">◆ </a></span>arm_vlog_f64()</h2>
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<td class="memname">void arm_vlog_f64 </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> * </td>
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<td class="paramname"><em>pSrc</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> * </td>
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<td class="paramname"><em>pDst</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>blockSize</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">pSrc</td><td>points to the input vector </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to the output vector </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in each vector </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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