1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>Qwt User's Guide: QwtScaleArithmetic Class Reference</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.0 -->
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li id="current"><a href="classes.html"><span>Classes</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
</ul></div>
<div class="tabs">
<ul>
<li><a href="classes.html"><span>Alphabetical List</span></a></li>
<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
</ul></div>
<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>
Arithmetic including a tolerance.
<p>
<p>
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">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<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>
<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>
<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>
<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)" -->
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>
<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>
<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>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="6c6f982022550fba9ccee034f87461ce"></a><!-- doxytag: member="QwtScaleArithmetic::compareEps" ref="6c6f982022550fba9ccee034f87461ce" args="(double value1, double value2, double intervalSize)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int QwtScaleArithmetic::compareEps </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>value1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>value2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>intervalSize</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Compare 2 values, relative to an interval.
<p>
Values are "equal", when : <img class="formulaInl" alt="$\cdot value2 - value1 <= abs(intervalSize * 10e^{-6})$" src="form_0.png"><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>value1</em> </td><td>First value to compare </td></tr>
<tr><td valign="top"></td><td valign="top"><em>value2</em> </td><td>Second value to compare </td></tr>
<tr><td valign="top"></td><td valign="top"><em>intervalSize</em> </td><td>interval size</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0: if equal, -1: if value2 > value1, 1: if value1 > value2 </dd></dl>
<p>
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>.
<p>
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00251">QwtScaleEngine::contains()</a>.
</div>
</div><p>
<a class="anchor" name="86da4fc0928457d03201d8b520d7d816"></a><!-- doxytag: member="QwtScaleArithmetic::ceilEps" ref="86da4fc0928457d03201d8b520d7d816" args="(double value, double intervalSize)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">double QwtScaleArithmetic::ceilEps </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>intervalSize</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Ceil a value, relative to an interval<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>Value to ceil </td></tr>
<tr><td valign="top"></td><td valign="top"><em>intervalSize</em> </td><td>Interval size</td></tr>
</table>
</dl>
<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>
<p>
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>.
<p>
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">QwtLinearScaleEngine::align()</a>.
</div>
</div><p>
<a class="anchor" name="924d97f2e5db236f43f4d65e430e09c1"></a><!-- doxytag: member="QwtScaleArithmetic::floorEps" ref="924d97f2e5db236f43f4d65e430e09c1" args="(double value, double intervalSize)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">double QwtScaleArithmetic::floorEps </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>intervalSize</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Floor a value, relative to an interval<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>Value to floor </td></tr>
<tr><td valign="top"></td><td valign="top"><em>intervalSize</em> </td><td>Interval size</td></tr>
</table>
</dl>
<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>
<p>
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>.
<p>
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">QwtLinearScaleEngine::align()</a>.
</div>
</div><p>
<a class="anchor" name="5768ab1c30f4fa8f02e3bb83f50fac02"></a><!-- doxytag: member="QwtScaleArithmetic::ceil125" ref="5768ab1c30f4fa8f02e3bb83f50fac02" args="(double x)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">double QwtScaleArithmetic::ceil125 </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x</em> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
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>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Input value </td></tr>
</table>
</dl>
<p>
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>.
<p>
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00233">QwtScaleEngine::divideInterval()</a>.
</div>
</div><p>
<a class="anchor" name="0cf6b5993a700cf0f00175486bd57b5b"></a><!-- doxytag: member="QwtScaleArithmetic::floor125" ref="0cf6b5993a700cf0f00175486bd57b5b" args="(double x)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">double QwtScaleArithmetic::floor125 </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x</em> </td>
<td> ) </td>
<td width="100%"><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Find the largest value out of {1,2,5}*10^n with an integer number n which is smaller than or equal to x.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Input value </td></tr>
</table>
</dl>
<p>
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>.
</div>
</div><p>
<hr size="1"><address style="align: right;"><small>Generated on Sun Mar 22 16:55:16 2009 for Qwt User's Guide by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
</body>
</html>
|