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1.2.2
by Fathi Boudra
Import upstream version 5.1.2 |
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<title>Qwt User's Guide: QwtScaleArithmetic Class Reference</title> |
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<li><a href="classes.html"><span>Alphabetical List</span></a></li> |
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<h1>QwtScaleArithmetic Class Reference</h1><!-- doxytag: class="QwtScaleArithmetic" --><a href="class_qwt_scale_arithmetic-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2> |
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Arithmetic including a tolerance. |
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<p> |
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<p> |
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Definition at line <a class="el" href="qwt__scale__engine_8h-source.html#l00022">22</a> of file <a class="el" href="qwt__scale__engine_8h-source.html">qwt_scale_engine.h</a>.<table border="0" cellpadding="0" cellspacing="0"> |
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<tr><td></td></tr> |
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<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#6c6f982022550fba9ccee034f87461ce">compareEps</a> (double value1, double value2, double intervalSize)</td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#86da4fc0928457d03201d8b520d7d816">ceilEps</a> (double value, double intervalSize)</td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#924d97f2e5db236f43f4d65e430e09c1">floorEps</a> (double value, double intervalSize)</td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e5f0415105b2a97cccb93f3da9ddaead"></a><!-- doxytag: member="QwtScaleArithmetic::divideEps" ref="e5f0415105b2a97cccb93f3da9ddaead" args="(double interval, double steps)" --> |
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static double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#e5f0415105b2a97cccb93f3da9ddaead">divideEps</a> (double interval, double steps)</td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#5768ab1c30f4fa8f02e3bb83f50fac02">ceil125</a> (double x)</td></tr> |
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<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#0cf6b5993a700cf0f00175486bd57b5b">floor125</a> (double x)</td></tr> |
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</table> |
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<hr><h2>Member Function Documentation</h2> |
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<a class="anchor" name="6c6f982022550fba9ccee034f87461ce"></a><!-- doxytag: member="QwtScaleArithmetic::compareEps" ref="6c6f982022550fba9ccee034f87461ce" args="(double value1, double value2, double intervalSize)" --> |
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<td class="memname">int QwtScaleArithmetic::compareEps </td> |
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<td>(</td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>value1</em>, </td> |
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<td class="paramkey"></td> |
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<td></td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>value2</em>, </td> |
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<td class="paramkey"></td> |
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<td></td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>intervalSize</em></td><td> </td> |
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<td></td> |
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<td>)</td> |
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<td></td><td></td><td width="100%"><code> [static]</code></td> |
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<div class="memdoc"> |
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<p> |
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Compare 2 values, relative to an interval. |
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<p> |
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Values are "equal", when : <img class="formulaInl" alt="$\cdot value2 - value1 <= abs(intervalSize * 10e^{-6})$" src="form_0.png"><p> |
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value1</em> </td><td>First value to compare </td></tr> |
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<tr><td valign="top"></td><td valign="top"><em>value2</em> </td><td>Second value to compare </td></tr> |
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<tr><td valign="top"></td><td valign="top"><em>intervalSize</em> </td><td>interval size</td></tr> |
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</table> |
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</dl> |
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0: if equal, -1: if value2 > value1, 1: if value1 > value2 </dd></dl> |
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<p> |
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Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00028">28</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>. |
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<p> |
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Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00251">QwtScaleEngine::contains()</a>. |
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</div><p> |
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<a class="anchor" name="86da4fc0928457d03201d8b520d7d816"></a><!-- doxytag: member="QwtScaleArithmetic::ceilEps" ref="86da4fc0928457d03201d8b520d7d816" args="(double value, double intervalSize)" --> |
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<td class="memname">double QwtScaleArithmetic::ceilEps </td> |
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<td>(</td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>value</em>, </td> |
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<td class="paramkey"></td> |
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<td></td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>intervalSize</em></td><td> </td> |
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<td></td> |
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<td>)</td> |
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<td></td><td></td><td width="100%"><code> [static]</code></td> |
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</tr> |
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</table> |
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</div> |
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<div class="memdoc"> |
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<p> |
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Ceil a value, relative to an interval<p> |
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>Value to ceil </td></tr> |
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<tr><td valign="top"></td><td valign="top"><em>intervalSize</em> </td><td>Interval size</td></tr> |
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</table> |
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</dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_scale_arithmetic.html#924d97f2e5db236f43f4d65e430e09c1">floorEps</a> </dd></dl> |
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<p> |
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Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00050">50</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>. |
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<p> |
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Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">QwtLinearScaleEngine::align()</a>. |
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</div> |
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</div><p> |
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<a class="anchor" name="924d97f2e5db236f43f4d65e430e09c1"></a><!-- doxytag: member="QwtScaleArithmetic::floorEps" ref="924d97f2e5db236f43f4d65e430e09c1" args="(double value, double intervalSize)" --> |
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<td class="memname">double QwtScaleArithmetic::floorEps </td> |
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<td>(</td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>value</em>, </td> |
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<td class="paramkey"></td> |
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<td></td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>intervalSize</em></td><td> </td> |
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<td></td> |
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<td>)</td> |
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<td></td><td></td><td width="100%"><code> [static]</code></td> |
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</tr> |
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</table> |
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<div class="memdoc"> |
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<p> |
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Floor a value, relative to an interval<p> |
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>Value to floor </td></tr> |
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<tr><td valign="top"></td><td valign="top"><em>intervalSize</em> </td><td>Interval size</td></tr> |
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</table> |
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</dl> |
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_scale_arithmetic.html#924d97f2e5db236f43f4d65e430e09c1">floorEps</a> </dd></dl> |
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<p> |
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Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00067">67</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>. |
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<p> |
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Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">QwtLinearScaleEngine::align()</a>. |
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</div> |
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</div><p> |
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<a class="anchor" name="5768ab1c30f4fa8f02e3bb83f50fac02"></a><!-- doxytag: member="QwtScaleArithmetic::ceil125" ref="5768ab1c30f4fa8f02e3bb83f50fac02" args="(double x)" --> |
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<td class="memname">double QwtScaleArithmetic::ceil125 </td> |
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<td>(</td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>x</em> </td> |
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<td> ) </td> |
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<td width="100%"><code> [static]</code></td> |
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</table> |
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Find the smallest value out of {1,2,5}*10^n with an integer number n which is greater than or equal to x<p>
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Input value </td></tr> |
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</table> |
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</dl> |
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Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00098">98</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>. |
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<p> |
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Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00233">QwtScaleEngine::divideInterval()</a>. |
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<a class="anchor" name="0cf6b5993a700cf0f00175486bd57b5b"></a><!-- doxytag: member="QwtScaleArithmetic::floor125" ref="0cf6b5993a700cf0f00175486bd57b5b" args="(double x)" --> |
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<td class="memname">double QwtScaleArithmetic::floor125 </td> |
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<td>(</td> |
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<td class="paramtype">double </td> |
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<td class="paramname"> <em>x</em> </td> |
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<td> ) </td> |
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<td width="100%"><code> [static]</code></td> |
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<p> |
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Find the largest value out of {1,2,5}*10^n with an integer number n which is smaller than or equal to x.
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<p> |
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<dl compact><dt><b>Parameters:</b></dt><dd> |
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<table border="0" cellspacing="2" cellpadding="0"> |
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<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Input value </td></tr> |
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Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00126">126</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>. |
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<hr size="1"><address style="align: right;"><small>Generated on Sun Mar 22 16:55:16 2009 for Qwt User's Guide by |
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address> |
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