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<div class="textblock"><code>#include "<a class="el" href="kiss__fft_8h_source.html">kiss_fft.h</a>"</code><br/>
<code>#include <limits.h></code><br/>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structkiss__fft__state.html">kiss_fft_state</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:af176a125e008eb443996cf0f83cc135c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#af176a125e008eb443996cf0f83cc135c">MAXFACTORS</a>   32</td></tr>
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<tr class="memitem:a944e08f3916c56a9697bbfed458eaa94"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a944e08f3916c56a9697bbfed458eaa94">S_MUL</a>(a, b)   ( (a)*(b) )</td></tr>
<tr class="separator:a944e08f3916c56a9697bbfed458eaa94"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab5092aa032092f1057feca5fbea40758"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#ab5092aa032092f1057feca5fbea40758">C_MUL</a>(m, a, b)</td></tr>
<tr class="separator:ab5092aa032092f1057feca5fbea40758"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a05e11bb1e8e815dd7bdd199060b7555a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a05e11bb1e8e815dd7bdd199060b7555a">C_FIXDIV</a>(c, div)   /* NOOP */</td></tr>
<tr class="separator:a05e11bb1e8e815dd7bdd199060b7555a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a958da96ff02cad6be35cafa3019804b5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a958da96ff02cad6be35cafa3019804b5">C_MULBYSCALAR</a>(c, s)</td></tr>
<tr class="separator:a958da96ff02cad6be35cafa3019804b5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a664c056b2a7093f88391d7db3558aa24"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a664c056b2a7093f88391d7db3558aa24">CHECK_OVERFLOW_OP</a>(a, op, b)   /* noop */</td></tr>
<tr class="separator:a664c056b2a7093f88391d7db3558aa24"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1f70747639c855259a0965de768e030a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a1f70747639c855259a0965de768e030a">C_ADD</a>(res, a, b)</td></tr>
<tr class="separator:a1f70747639c855259a0965de768e030a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8c00bd9702f25a8514402a3779b3bdda"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a8c00bd9702f25a8514402a3779b3bdda">C_SUB</a>(res, a, b)</td></tr>
<tr class="separator:a8c00bd9702f25a8514402a3779b3bdda"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2042ee8c6fb9306eb20d62e6506446aa"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a2042ee8c6fb9306eb20d62e6506446aa">C_ADDTO</a>(res, a)</td></tr>
<tr class="separator:a2042ee8c6fb9306eb20d62e6506446aa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa3f448e1963492dfc145fc391cbedd27"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#aa3f448e1963492dfc145fc391cbedd27">C_SUBFROM</a>(res, a)</td></tr>
<tr class="separator:aa3f448e1963492dfc145fc391cbedd27"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2e780e8fe86d9c3e7b6a469f61aaf5d1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a2e780e8fe86d9c3e7b6a469f61aaf5d1">KISS_FFT_COS</a>(phase)   (<a class="el" href="kiss__fft_8h.html#a4d9bf2d6a2ce1b061545a16faf77d337">kiss_fft_scalar</a>) cos(phase)</td></tr>
<tr class="separator:a2e780e8fe86d9c3e7b6a469f61aaf5d1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2d4fc93cde15512f1946f364d5271dd3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a2d4fc93cde15512f1946f364d5271dd3">KISS_FFT_SIN</a>(phase)   (<a class="el" href="kiss__fft_8h.html#a4d9bf2d6a2ce1b061545a16faf77d337">kiss_fft_scalar</a>) sin(phase)</td></tr>
<tr class="separator:a2d4fc93cde15512f1946f364d5271dd3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0b812a30fdb0c530a90a18d1692fab6c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#a0b812a30fdb0c530a90a18d1692fab6c">HALF_OF</a>(x)   ((x)*.5)</td></tr>
<tr class="separator:a0b812a30fdb0c530a90a18d1692fab6c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac7852abdf2dc5ed4538551be6d1dd20b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#ac7852abdf2dc5ed4538551be6d1dd20b">kf_cexp</a>(x, phase)</td></tr>
<tr class="separator:ac7852abdf2dc5ed4538551be6d1dd20b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac1abb41ecdedd05dda5d1ce83b67a704"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#ac1abb41ecdedd05dda5d1ce83b67a704">pcpx</a>(c)   fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) )</td></tr>
<tr class="separator:ac1abb41ecdedd05dda5d1ce83b67a704"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abd992e9886fb74f97bf0b6e057fe08a5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#abd992e9886fb74f97bf0b6e057fe08a5">KISS_FFT_TMP_ALLOC</a>(nbytes)   <a class="el" href="kiss__fft_8h.html#aa6e24524bfa0247ac606c950e43a9a4d">KISS_FFT_MALLOC</a>(nbytes)</td></tr>
<tr class="separator:abd992e9886fb74f97bf0b6e057fe08a5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab915c572fe96a51a3528b7419248b655"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="__kiss__fft__guts_8h.html#ab915c572fe96a51a3528b7419248b655">KISS_FFT_TMP_FREE</a>(ptr)   <a class="el" href="kiss__fft_8h.html#a167bff53d1f15bc13289353390b7faae">KISS_FFT_FREE</a>(ptr)</td></tr>
<tr class="separator:ab915c572fe96a51a3528b7419248b655"><td class="memSeparator" colspan="2"> </td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define C_ADD</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">res, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">a, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">b </td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> CHECK_OVERFLOW_OP((a).r,+,(b).r)\</div>
<div class="line"> CHECK_OVERFLOW_OP((a).i,+,(b).i)\</div>
<div class="line"> (res).r=(a).r+(b).r; (res).i=(a).i+(b).i; \</div>
<div class="line"> }<span class="keywordflow">while</span>(0)</div>
</div><!-- fragment -->
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<td class="memname">#define C_ADDTO</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">res, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">a </td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> CHECK_OVERFLOW_OP((res).r,+,(a).r)\</div>
<div class="line"> CHECK_OVERFLOW_OP((res).i,+,(a).i)\</div>
<div class="line"> (res).r += (a).r; (res).i += (a).i;\</div>
<div class="line"> }<span class="keywordflow">while</span>(0)</div>
</div><!-- fragment -->
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<td class="memname">#define C_FIXDIV</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">c, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">div </td>
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<td>)</td>
<td></td><td>   /* NOOP */</td>
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<td class="memname">#define C_MUL</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">m, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">a, </td>
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<td></td>
<td class="paramtype"> </td>
<td class="paramname">b </td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{ (m).r = (a).r*(b).r - (a).i*(b).i;\</div>
<div class="line"> (m).i = (a).r*(b).i + (a).i*(b).r; }<span class="keywordflow">while</span>(0)</div>
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<td class="memname">#define C_MULBYSCALAR</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">c, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">s </td>
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<td></td>
<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{ (c).r *= (s);\</div>
<div class="line"> (c).i *= (s); }<span class="keywordflow">while</span>(0)</div>
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<td class="memname">#define C_SUB</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">res, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">a, </td>
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<td></td>
<td class="paramtype"> </td>
<td class="paramname">b </td>
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<td></td>
<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> CHECK_OVERFLOW_OP((a).r,-,(b).r)\</div>
<div class="line"> CHECK_OVERFLOW_OP((a).i,-,(b).i)\</div>
<div class="line"> (res).r=(a).r-(b).r; (res).i=(a).i-(b).i; \</div>
<div class="line"> }<span class="keywordflow">while</span>(0)</div>
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<td class="memname">#define C_SUBFROM</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">res, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">a </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> {\</div>
<div class="line"> CHECK_OVERFLOW_OP((res).r,-,(a).r)\</div>
<div class="line"> CHECK_OVERFLOW_OP((res).i,-,(a).i)\</div>
<div class="line"> (res).r -= (a).r; (res).i -= (a).i; \</div>
<div class="line"> }<span class="keywordflow">while</span>(0)</div>
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<td class="memname">#define CHECK_OVERFLOW_OP</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">a, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">op, </td>
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<td class="paramtype"> </td>
<td class="paramname">b </td>
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<td>)</td>
<td></td><td>   /* noop */</td>
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<td class="memname">#define HALF_OF</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">x</td><td>)</td>
<td>   ((x)*.5)</td>
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<td class="memname">#define kf_cexp</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">x, </td>
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<td></td>
<td class="paramtype"> </td>
<td class="paramname">phase </td>
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<td>)</td>
<td></td><td></td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span>{ \</div>
<div class="line"> (x)->r = <a class="code" href="__kiss__fft__guts_8h.html#a2e780e8fe86d9c3e7b6a469f61aaf5d1">KISS_FFT_COS</a>(phase);\</div>
<div class="line"> (x)->i = <a class="code" href="__kiss__fft__guts_8h.html#a2d4fc93cde15512f1946f364d5271dd3">KISS_FFT_SIN</a>(phase);\</div>
<div class="line"> }<span class="keywordflow">while</span>(0)</div>
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<td class="memname">#define KISS_FFT_COS</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">phase</td><td>)</td>
<td>   (<a class="el" href="kiss__fft_8h.html#a4d9bf2d6a2ce1b061545a16faf77d337">kiss_fft_scalar</a>) cos(phase)</td>
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<td class="memname">#define KISS_FFT_SIN</td>
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<td>   (<a class="el" href="kiss__fft_8h.html#a4d9bf2d6a2ce1b061545a16faf77d337">kiss_fft_scalar</a>) sin(phase)</td>
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<td class="memname">#define KISS_FFT_TMP_ALLOC</td>
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<td class="paramname">nbytes</td><td>)</td>
<td>   <a class="el" href="kiss__fft_8h.html#aa6e24524bfa0247ac606c950e43a9a4d">KISS_FFT_MALLOC</a>(nbytes)</td>
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<td class="memname">#define KISS_FFT_TMP_FREE</td>
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<td class="paramname">ptr</td><td>)</td>
<td>   <a class="el" href="kiss__fft_8h.html#a167bff53d1f15bc13289353390b7faae">KISS_FFT_FREE</a>(ptr)</td>
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<td class="memname">#define MAXFACTORS   32</td>
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<td class="memname">#define pcpx</td>
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<td class="paramname">c</td><td>)</td>
<td>   fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) )</td>
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<td class="memname">#define S_MUL</td>
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<td class="paramname">a, </td>
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<td class="paramname">b </td>
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<td>)</td>
<td></td><td>   ( (a)*(b) )</td>
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