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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<a href="#func-members">Functions</a> </div>
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<div class="title">Math</div> </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>The functions in this section are typically related with math operations and floating point numbers. </p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga0aa33ea3576a7bd68f4e5d3ac2c079af"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga0aa33ea3576a7bd68f4e5d3ac2c079af">wxFinite</a> (double x)</td></tr>
<tr class="memdesc:ga0aa33ea3576a7bd68f4e5d3ac2c079af"><td class="mdescLeft"> </td><td class="mdescRight">Returns a non-zero value if <em>x</em> is neither infinite nor NaN (not a number), returns 0 otherwise. <a href="#ga0aa33ea3576a7bd68f4e5d3ac2c079af"></a><br/></td></tr>
<tr class="separator:ga0aa33ea3576a7bd68f4e5d3ac2c079af"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1fd493b41d9af8d07a5a0229fd11c339"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga1fd493b41d9af8d07a5a0229fd11c339">wxIsNaN</a> (double x)</td></tr>
<tr class="memdesc:ga1fd493b41d9af8d07a5a0229fd11c339"><td class="mdescLeft"> </td><td class="mdescRight">Returns a non-zero value if x is NaN (not a number), returns 0 otherwise. <a href="#ga1fd493b41d9af8d07a5a0229fd11c339"></a><br/></td></tr>
<tr class="separator:ga1fd493b41d9af8d07a5a0229fd11c339"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6b8f7cc815ead70a710191a388345176"><td class="memItemLeft" align="right" valign="top"><a class="el" href="defs_8h.html#a99e112176d161558aa025fa6d9d217e0">wxFloat64</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga6b8f7cc815ead70a710191a388345176">wxConvertFromIeeeExtended</a> (const <a class="el" href="defs_8h.html#a7569603c57eac28d9f20098191f936d7">wxInt8</a> *bytes)</td></tr>
<tr class="memdesc:ga6b8f7cc815ead70a710191a388345176"><td class="mdescLeft"> </td><td class="mdescRight">Converts the given array of 10 bytes (corresponding to 80 bits) to a float number according to the IEEE floating point standard format (aka IEEE standard 754). <a href="#ga6b8f7cc815ead70a710191a388345176"></a><br/></td></tr>
<tr class="separator:ga6b8f7cc815ead70a710191a388345176"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga974d117c30d950cb77e7b6b11199be09"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga974d117c30d950cb77e7b6b11199be09">wxConvertToIeeeExtended</a> (<a class="el" href="defs_8h.html#a99e112176d161558aa025fa6d9d217e0">wxFloat64</a> num, <a class="el" href="defs_8h.html#a7569603c57eac28d9f20098191f936d7">wxInt8</a> *bytes)</td></tr>
<tr class="memdesc:ga974d117c30d950cb77e7b6b11199be09"><td class="mdescLeft"> </td><td class="mdescRight">Converts the given floating number <em>num</em> in a sequence of 10 bytes which are stored in the given array <em>bytes</em> (which must be large enough) according to the IEEE floating point standard format (aka IEEE standard 754). <a href="#ga974d117c30d950cb77e7b6b11199be09"></a><br/></td></tr>
<tr class="separator:ga974d117c30d950cb77e7b6b11199be09"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga01553ff75f3c6a64b1a678044f9cd4b9"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga01553ff75f3c6a64b1a678044f9cd4b9">wxRound</a> (double x)</td></tr>
<tr class="memdesc:ga01553ff75f3c6a64b1a678044f9cd4b9"><td class="mdescLeft"> </td><td class="mdescRight">Small wrapper around round(). <a href="#ga01553ff75f3c6a64b1a678044f9cd4b9"></a><br/></td></tr>
<tr class="separator:ga01553ff75f3c6a64b1a678044f9cd4b9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga309df1421691e2e683bf03096c0aa64b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga309df1421691e2e683bf03096c0aa64b">wxIsSameDouble</a> (double x, double y)</td></tr>
<tr class="memdesc:ga309df1421691e2e683bf03096c0aa64b"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if both double values are identical. <a href="#ga309df1421691e2e683bf03096c0aa64b"></a><br/></td></tr>
<tr class="separator:ga309df1421691e2e683bf03096c0aa64b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga78a1d85cc0ca2d55938a7a67101c7072"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__funcmacro__math.html#ga78a1d85cc0ca2d55938a7a67101c7072">wxIsNullDouble</a> (double x)</td></tr>
<tr class="memdesc:ga78a1d85cc0ca2d55938a7a67101c7072"><td class="mdescLeft"> </td><td class="mdescRight">Return true of <em>x</em> is exactly zero. <a href="#ga78a1d85cc0ca2d55938a7a67101c7072"></a><br/></td></tr>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname"><a class="el" href="defs_8h.html#a99e112176d161558aa025fa6d9d217e0">wxFloat64</a> wxConvertFromIeeeExtended </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="defs_8h.html#a7569603c57eac28d9f20098191f936d7">wxInt8</a> * </td>
<td class="paramname"><em>bytes</em></td><td>)</td>
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<p>Converts the given array of 10 bytes (corresponding to 80 bits) to a float number according to the IEEE floating point standard format (aka IEEE standard 754). </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__group__funcmacro__math.html#ga974d117c30d950cb77e7b6b11199be09" title="Converts the given floating number num in a sequence of 10 bytes which are stored in the given array ...">wxConvertToIeeeExtended()</a> to perform the opposite operation </dd></dl>
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<td class="memname">void wxConvertToIeeeExtended </td>
<td>(</td>
<td class="paramtype"><a class="el" href="defs_8h.html#a99e112176d161558aa025fa6d9d217e0">wxFloat64</a> </td>
<td class="paramname"><em>num</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="defs_8h.html#a7569603c57eac28d9f20098191f936d7">wxInt8</a> * </td>
<td class="paramname"><em>bytes</em> </td>
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<td>)</td>
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<p>Converts the given floating number <em>num</em> in a sequence of 10 bytes which are stored in the given array <em>bytes</em> (which must be large enough) according to the IEEE floating point standard format (aka IEEE standard 754). </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__group__funcmacro__math.html#ga6b8f7cc815ead70a710191a388345176" title="Converts the given array of 10 bytes (corresponding to 80 bits) to a float number according to the IE...">wxConvertFromIeeeExtended()</a> to perform the opposite operation </dd></dl>
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<td class="memname">int wxFinite </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Returns a non-zero value if <em>x</em> is neither infinite nor NaN (not a number), returns 0 otherwise. </p>
<p>Include file: </p>
<pre class="fragment">#include <wx/math.h> </pre>
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<td class="memname">bool wxIsNaN </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Returns a non-zero value if x is NaN (not a number), returns 0 otherwise. </p>
<p>Include file: </p>
<pre class="fragment">#include <wx/math.h> </pre>
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<td class="memname">bool wxIsNullDouble </td>
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<td class="paramtype">double </td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Return true of <em>x</em> is exactly zero. </p>
<p>This is only reliable if it has been assigned 0. </p>
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<td class="memname">bool wxIsSameDouble </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramtype">double </td>
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<p>Returns true if both double values are identical. </p>
<p>This is only reliable if both values have been assigned the same value. </p>
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<td class="memname">int wxRound </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Small wrapper around round(). </p>
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