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<h1>gr_math.h File Reference</h1> </div>
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<div class="textblock"><code>#include <gr_complex.h></code><br/>
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<p><a href="gr__math_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="gc__types_8h.html#a0f2b5d454b7e4dda3861032cfce91085">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#ace69f572707e22fad277c8fe774de2bb">gr_is_power_of_2</a> (long x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a7f0f13be979d19b86f8439b934cc27a8">gr_gcd</a> (long m, long n)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a81f89fcec612a38b4cf06a34b29c9bcb">gr_isnan</a> (double value)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a77a6f0234e781a4ab2bf0a019a022726">gr_signbit</a> (double x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="group__misc.html#ga7934920e9dbe8204309c2fd68dce8e1c">gr_fast_atan2f</a> (float y, float x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fast arc tangent using table lookup and linear interpolation. <a href="group__misc.html#ga7934920e9dbe8204309c2fd68dce8e1c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static float </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#ae51b150b5480dc16864d7a9c128d4e2b">gr_fast_atan2f</a> (<a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> z)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static float </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#ae41ea9e5b184df9e439a21d31350ab14">gr_branchless_clip</a> (float x, float clip)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static float </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a752a37cb09d7d71aebb5b05e4de828fd">gr_clip</a> (float x, float clip)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a146f18980bcd8bcca5ec31a53fa7b18b">gr_binary_slicer</a> (float x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a628599d27233b3c1327eafb7cfab9f3f">gr_quad_45deg_slicer</a> (float r, float i)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a20720d374a5d5f77ba63e0e78b84ca5c">gr_quad_0deg_slicer</a> (float r, float i)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a270ae32e0f8c3408f12fa552f144e6fa">gr_quad_45deg_slicer</a> (<a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#aac806dad801ca55a9203720754cf86e9">gr_quad_0deg_slicer</a> (<a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a30b60181accc9a0f40aee29ec2c95d50">gr_branchless_binary_slicer</a> (float x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a9164ae9b083d3690dbcf0f0074b0d8c2">gr_branchless_quad_0deg_slicer</a> (float r, float i)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a2c99fd1f6662416c025bb4d3d95adf48">gr_branchless_quad_0deg_slicer</a> (<a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#aa535abb2054c204787c36dcfc090abc6">gr_branchless_quad_45deg_slicer</a> (float r, float i)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a568ec0c5ac906bc3310b74fc62a6dd7e">gr_branchless_quad_45deg_slicer</a> (<a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a65081204f407632482da47b165b942e6">gr_p2_round_down</a> (size_t x, size_t pow2)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a8acadaea988a25fc1601d9b8b5e8a951">gr_p2_round_up</a> (size_t x, size_t pow2)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#aba9d6b1ba2198fde6ffe2a14620df26e">gr_p2_modulo</a> (size_t x, size_t pow2)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__math_8h.html#a0a25383360574c5f3e287063dacc8023">gr_p2_modulo_neg</a> (size_t x, size_t pow2)</td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a146f18980bcd8bcca5ec31a53fa7b18b"></a><!-- doxytag: member="gr_math.h::gr_binary_slicer" ref="a146f18980bcd8bcca5ec31a53fa7b18b" args="(float x)" -->
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<td class="memname">static unsigned int gr_binary_slicer </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a30b60181accc9a0f40aee29ec2c95d50"></a><!-- doxytag: member="gr_math.h::gr_branchless_binary_slicer" ref="a30b60181accc9a0f40aee29ec2c95d50" args="(float x)" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">static unsigned int gr_branchless_binary_slicer </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="ae41ea9e5b184df9e439a21d31350ab14"></a><!-- doxytag: member="gr_math.h::gr_branchless_clip" ref="ae41ea9e5b184df9e439a21d31350ab14" args="(float x, float clip)" -->
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<td class="memname">static float gr_branchless_clip </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>clip</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a2c99fd1f6662416c025bb4d3d95adf48"></a><!-- doxytag: member="gr_math.h::gr_branchless_quad_0deg_slicer" ref="a2c99fd1f6662416c025bb4d3d95adf48" args="(gr_complex x)" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">static unsigned int gr_branchless_quad_0deg_slicer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>References <a class="el" href="gr__math_8h.html#a9164ae9b083d3690dbcf0f0074b0d8c2">gr_branchless_quad_0deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a9164ae9b083d3690dbcf0f0074b0d8c2"></a><!-- doxytag: member="gr_math.h::gr_branchless_quad_0deg_slicer" ref="a9164ae9b083d3690dbcf0f0074b0d8c2" args="(float r, float i)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static unsigned int gr_branchless_quad_0deg_slicer </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>i</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Referenced by <a class="el" href="gr__math_8h.html#a2c99fd1f6662416c025bb4d3d95adf48">gr_branchless_quad_0deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="aa535abb2054c204787c36dcfc090abc6"></a><!-- doxytag: member="gr_math.h::gr_branchless_quad_45deg_slicer" ref="aa535abb2054c204787c36dcfc090abc6" args="(float r, float i)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static unsigned int gr_branchless_quad_45deg_slicer </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>i</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Referenced by <a class="el" href="gr__math_8h.html#a568ec0c5ac906bc3310b74fc62a6dd7e">gr_branchless_quad_45deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a568ec0c5ac906bc3310b74fc62a6dd7e"></a><!-- doxytag: member="gr_math.h::gr_branchless_quad_45deg_slicer" ref="a568ec0c5ac906bc3310b74fc62a6dd7e" args="(gr_complex x)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">static unsigned int gr_branchless_quad_45deg_slicer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>References <a class="el" href="gr__math_8h.html#aa535abb2054c204787c36dcfc090abc6">gr_branchless_quad_45deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a752a37cb09d7d71aebb5b05e4de828fd"></a><!-- doxytag: member="gr_math.h::gr_clip" ref="a752a37cb09d7d71aebb5b05e4de828fd" args="(float x, float clip)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">static float gr_clip </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>clip</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="ae51b150b5480dc16864d7a9c128d4e2b"></a><!-- doxytag: member="gr_math.h::gr_fast_atan2f" ref="ae51b150b5480dc16864d7a9c128d4e2b" args="(gr_complex z)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">static float gr_fast_atan2f </td>
<td>(</td>
<td class="paramtype"><a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> </td>
<td class="paramname"><em>z</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>References <a class="el" href="group__misc.html#ga7934920e9dbe8204309c2fd68dce8e1c">gr_fast_atan2f()</a>.</p>
</div>
</div>
<a class="anchor" id="a7f0f13be979d19b86f8439b934cc27a8"></a><!-- doxytag: member="gr_math.h::gr_gcd" ref="a7f0f13be979d19b86f8439b934cc27a8" args="(long m, long n)" -->
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<td class="memname">long gr_gcd </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"><em>m</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"><em>n</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="ace69f572707e22fad277c8fe774de2bb"></a><!-- doxytag: member="gr_math.h::gr_is_power_of_2" ref="ace69f572707e22fad277c8fe774de2bb" args="(long x)" -->
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<td class="memname">static <a class="el" href="gc__types_8h.html#a0f2b5d454b7e4dda3861032cfce91085">bool</a> gr_is_power_of_2 </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a81f89fcec612a38b4cf06a34b29c9bcb"></a><!-- doxytag: member="gr_math.h::gr_isnan" ref="a81f89fcec612a38b4cf06a34b29c9bcb" args="(double value)" -->
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<td class="memname">int gr_isnan </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="aba9d6b1ba2198fde6ffe2a14620df26e"></a><!-- doxytag: member="gr_math.h::gr_p2_modulo" ref="aba9d6b1ba2198fde6ffe2a14620df26e" args="(size_t x, size_t pow2)" -->
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<td class="memname">static size_t gr_p2_modulo </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>pow2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>any value </td></tr>
<tr><td class="paramname">pow2</td><td>must be a power of 2 </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>x</code> modulo <code>pow2</code>. </dd></dl>
<p>Referenced by <a class="el" href="gr__math_8h.html#a0a25383360574c5f3e287063dacc8023">gr_p2_modulo_neg()</a>.</p>
</div>
</div>
<a class="anchor" id="a0a25383360574c5f3e287063dacc8023"></a><!-- doxytag: member="gr_math.h::gr_p2_modulo_neg" ref="a0a25383360574c5f3e287063dacc8023" args="(size_t x, size_t pow2)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">static size_t gr_p2_modulo_neg </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>pow2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>any value </td></tr>
<tr><td class="paramname">pow2</td><td>must be a power of 2 </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>pow2</code> - (<code>x</code> modulo <code>pow2</code>). </dd></dl>
<p>References <a class="el" href="gr__math_8h.html#aba9d6b1ba2198fde6ffe2a14620df26e">gr_p2_modulo()</a>.</p>
</div>
</div>
<a class="anchor" id="a65081204f407632482da47b165b942e6"></a><!-- doxytag: member="gr_math.h::gr_p2_round_down" ref="a65081204f407632482da47b165b942e6" args="(size_t x, size_t pow2)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static size_t gr_p2_round_down </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>pow2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>any value </td></tr>
<tr><td class="paramname">pow2</td><td>must be a power of 2 </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>x</code> rounded down to a multiple of <code>pow2</code>. </dd></dl>
<p>Referenced by <a class="el" href="gr__math_8h.html#a8acadaea988a25fc1601d9b8b5e8a951">gr_p2_round_up()</a>.</p>
</div>
</div>
<a class="anchor" id="a8acadaea988a25fc1601d9b8b5e8a951"></a><!-- doxytag: member="gr_math.h::gr_p2_round_up" ref="a8acadaea988a25fc1601d9b8b5e8a951" args="(size_t x, size_t pow2)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static size_t gr_p2_round_up </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>pow2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>any value </td></tr>
<tr><td class="paramname">pow2</td><td>must be a power of 2 </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>x</code> rounded up to a multiple of <code>pow2</code>. </dd></dl>
<p>References <a class="el" href="gr__math_8h.html#a65081204f407632482da47b165b942e6">gr_p2_round_down()</a>.</p>
</div>
</div>
<a class="anchor" id="aac806dad801ca55a9203720754cf86e9"></a><!-- doxytag: member="gr_math.h::gr_quad_0deg_slicer" ref="aac806dad801ca55a9203720754cf86e9" args="(gr_complex x)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static unsigned int gr_quad_0deg_slicer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>References <a class="el" href="gr__math_8h.html#a20720d374a5d5f77ba63e0e78b84ca5c">gr_quad_0deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a20720d374a5d5f77ba63e0e78b84ca5c"></a><!-- doxytag: member="gr_math.h::gr_quad_0deg_slicer" ref="a20720d374a5d5f77ba63e0e78b84ca5c" args="(float r, float i)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static unsigned int gr_quad_0deg_slicer </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>i</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Referenced by <a class="el" href="gr__math_8h.html#aac806dad801ca55a9203720754cf86e9">gr_quad_0deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a628599d27233b3c1327eafb7cfab9f3f"></a><!-- doxytag: member="gr_math.h::gr_quad_45deg_slicer" ref="a628599d27233b3c1327eafb7cfab9f3f" args="(float r, float i)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static unsigned int gr_quad_45deg_slicer </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>i</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Referenced by <a class="el" href="gr__math_8h.html#a270ae32e0f8c3408f12fa552f144e6fa">gr_quad_45deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a270ae32e0f8c3408f12fa552f144e6fa"></a><!-- doxytag: member="gr_math.h::gr_quad_45deg_slicer" ref="a270ae32e0f8c3408f12fa552f144e6fa" args="(gr_complex x)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">static unsigned int gr_quad_45deg_slicer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>References <a class="el" href="gr__math_8h.html#a628599d27233b3c1327eafb7cfab9f3f">gr_quad_45deg_slicer()</a>.</p>
</div>
</div>
<a class="anchor" id="a77a6f0234e781a4ab2bf0a019a022726"></a><!-- doxytag: member="gr_math.h::gr_signbit" ref="a77a6f0234e781a4ab2bf0a019a022726" args="(double x)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int gr_signbit </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
</div>
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